TidePlanet

Today in Portland there are high tides at 2:46 am (3.9 ft) and 1:09 pm (2.1 ft) and low tides at 9:42 am and 7:33 pm. Tide coefficient 99. Right now the tide is falling toward the low tide at 7:33 pm. The sun rises at 6:30 am and sets at 8:06 pm: 13 h 36 min of daylight. The moon is 89% illuminated (waning gibbous). Major solunar periods run from 2:34 am to 4:34 am and from 3:06 pm to 5:06 pm. The next spring tides arrive from October 27 to 29. The sea is rough, with 9.6 ft waves. There's a light breeze from the west-southwest (7 mph). Partly cloudy, 62 °F.

Fishing

Fishing in Portland today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
6
Average day · 6 out of 10 7:30–8:30 pm Also 2:30–3:50 am
  • Low tide at 7:33 pm
  • Sunset at 8:06 pm, golden hour from 7:29 pm
  • Steady pressure (30.27 inHg), light onshore wind (4 mph) and rough sea: 9.1 ft waves
  • Waning gibbous: a bit more activity than at the quarters
  • Highest tide coefficient today: 99 (spring tides)

Your day at a glance

The best window, 7:30 pm to 8:30 pm, combines the 7:33 pm low tide, sunset and a light onshore breeze, though with rough seas. Also worth a try from 2:30 am to 3:50 am, with the 2:46 am high tide and a major period, though with rising pressure and rough seas.

Species with the most records nearby: striped mullet, mulloway, blue shark and shortfin mako. What you can catch

How it works · Next 7 days · Fishing rules

Beach

Beach day in Portland

Beach forecast, 7 days →

Is it a beach day?

0
Not a beach day · 0 out of 10 No good beach time today.
  • Sun and clouds
  • Cross-shore breeze (8 mph)
  • UV 5 (moderate): SPF 30 sunscreen
  • Low tide at 9:42 am: more sand
  • Low tide at 7:33 pm: more sand
  • Feels like 62 °F: chilly for the beach

Dangerous surf during beach hours. Stay out if the red flag is up, and never swim where there is no lifeguard.

Today, hour by hour

  • Swimming Dangerous · 9.7 ft

    9.7 ft waves every 12 s: dangerous for swimming. Stay out if the red flag is up. High rip current risk. If you're caught in a rip current, don't swim against it: swim parallel to shore and wave for help. Always follow the lifeguard's flags.

  • Water 60 °F

    Cold: ease in slowly.

  • Sun & sunscreen UV 5 · SPF 30

    Max UV 5 (moderate): SPF 30 sunscreen, reapplied every 2 hours.

  • Wind 8 mph

    Cross-shore breeze (8 mph).

  • Tide & sand 7:33 pm

    Low tide at 9:42 am and 7:33 pm: that's when there's the most sand. High tide at 2:46 am and 1:09 pm. Coefficient 99 (spring tides): little sand left at high tide.

We don't have data on jellyfish, sargassum or beach closures: ask the lifeguard or check with the local beach authority. How it works · The next 7 days

Beaches near Portland

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Named beaches within 6.2 mi, nearest first. Amenities from OpenStreetMap: some may be missing or out of date. View on OpenStreetMap · Add or fix on OpenStreetMap

Beaches and amenities: © OpenStreetMap contributors (ODbL).

Tides

Tides in Portland

Tides for 7 days →

Today's high and low tides

  • ▲ High tide 2:46 am 3.9 ft · coef. 99
  • ▼ Low tide 9:42 am 1.8 ft
  • ▲ High tide 1:09 pm 2.1 ft · coef. 97

↓ Falling The tide is falling. 5 h 19 min to low tide at 7:33 pm.

Tide coefficient 99 for the 2:46 am high tide and 97 for the 1:09 pm high tide. Spring tides. The water rises and falls 3.6 ft between the highest high and the lowest low: a large range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?

2026 extremes: the highest tide of the year is on June 16 (4.3 ft) and the lowest, on March 25 (0.1 ft).

Mixed: two high and two low tides a day, but of quite different heights.

Heights above chart datum: the lowest astronomical tide (LAT), the zero of nautical charts in Europe. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. chart datum (LAT)

Tide coefficient and range in October

The biggest tides of the month came from October 13 to 14 (coefficient 113, 3.4 ft range). The smallest, on October 21 (coefficient 24, 1.2 ft).

Tide and solunar table · this week

Day Sun Tide 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Thu 29 6:30 am · 8:06 pm High tide 2:46 am · 3.9 ft Low tide 9:42 am · 1.8 ft High tide 1:09 pm · 2.1 ft Low tide 7:33 pm · 0.2 ft Coef. 99 89% Major periods 2:34 am · 3:06 pm Medium
Fri 30 6:29 am · 8:07 pm High tide 3:16 am · 3.8 ft Low tide 10:06 am · 2.0 ft High tide 1:05 pm · 2.2 ft Low tide 7:57 pm · 0.2 ft Coef. 94 80% Major periods 3:38 am · 4:10 pm Medium
Sat 31 6:27 am · 8:08 pm High tide 3:48 am · 3.5 ft Low tide 10:21 am · 2.2 ft High tide 1:04 pm · 2.3 ft Low tide 8:24 pm · 0.2 ft Coef. 86 70% Major periods 4:42 am · 5:13 pm Medium
Sun 1 6:26 am · 8:09 pm High tide 4:22 am · 3.2 ft Low tide 10:23 am · 2.3 ft High tide 1:09 pm · 2.4 ft Low tide 8:52 pm · 0.5 ft Coef. 76 59% Major periods 5:43 am · 6:11 pm Medium
Mon 2 6:25 am · 8:10 pm High tide 4:58 am · 2.9 ft Low tide 10:18 am · 2.3 ft High tide 1:10 pm · 2.4 ft Low tide 9:17 pm · 0.8 ft Coef. 61 Last quarter Major periods 6:39 am · 7:05 pm Medium
Tue 3 6:24 am · 8:11 pm High tide 5:39 am · 2.5 ft Low tide 10:22 am · 2.3 ft High tide 12:50 pm · 2.3 ft Low tide 9:25 pm · 1.2 ft Coef. 41 37% Major periods 7:30 am · 7:54 pm Medium
Wed 4 6:23 am · 8:12 pm High tide 6:45 am · 2.2 ft Low tide 7:46 pm · 1.6 ft — — Coef. 20 27% Major periods 8:17 am · 8:40 pm Medium

▲ high tide · ▼ low tide · heights above chart datum (LAT). Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.

Where this tide comes from

A · Official station

Tides from the Portland station (UHSLC, TICON-4), 0.6 mi from Portland. Times and heights are its predictions.

Station data attribution: Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data

How we calculate the tide

Sea and waves

The sea at Portland

7-day waves

Sea stateSea state: rough

Rough Douglas 5 · gentle breeze, Beaufort 3
Waves 9.6 ft · 12.4 s from the south-southwest (208°)
Swell 9.5 ft · 10.5 s from the south-southwest
Current 0.2 mph toward the NNE

The waves you may find

  • Most commonMost common4.8 ft
  • Significant9.6 ft
  • Highest expectedHighest19 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 19 ft. Before heading out, expect waves of up to 19 ft.

Wind on the coast and offshore

On the coast 7 mph WSW · gusts 18
Offshore (12 mi SSW)Offshore 10 mph W · gusts 14

Cross-shore wind. The coast faces southeast and the wind blows along the shore: drift and current run parallel to the beach.

Cross-shore Hourly wind →

Wave height, next 7 daysWaves, next 7 days

Waves ease over the next few days. The biggest waves arrive on Thursday 29: 9.7 ft with a period of 12 s, from the south-southwest (rough).

Water temperature

Water temperature →
Water now59.9 °F
Today 59.5–60.1 °F air: 52 / 62 °F
Satellite (2 days ago) 60.1 °F measured 1.0 mi away

Water temperature changes how fish behave: in very cold or very warm water they feed less. The water is steady these days, with no sudden changes.

Water warmer than normal for late October (+1.6 °F).

Satellite: NASA MUR (JPL MUR MEaSUREs, PO.DAAC), doi:10.5067/GHGMR-4FJ04. Sources and licenses

Water temperature →

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 2:14 pm (local time).

Nearest marine station

61410 Station 61410 · 0.6 mi ENE of here Measured at 10:59 am, 3 h 15 min ago
Water 60.4 °F

This is a real measurement of the sea, not a forecast. Data from the WMO Global Telecommunication System (GTS), from a station in Australia, via NOAA OSMC (public domain, CC0).

Surf

Surf in Portland today

Surf hour by hour and 7 days →

Surf today

Good
7
Good · 7 out of 10 8:00–8:34 pm 5.6–8.7 ft Also 9:00 am–1:00 pm and 6:02–8:00 am
  • 5.6–8.7 ft surf at the shore, big
  • Big surf (8.7 ft): for experienced surfers
  • 9.1 ft swell at 11 s from the south-southwest, average
  • Almost no wind (4 mph): glassy water
  • First or last light of the day
  • Rising tide

Big surf: for experienced surfers only. If in doubt, stay on the beach.

Surf at the shore 5.6–8.7 ft average – sets
Swell 9.1 ft 11 s · SSW · 1,648 kJ
Wind 4 mph S · calm
Water and wetsuit 59.5 °F 4/3 fullsuit
  • Light: First light 6:02 am · sunrise 6:30 am · sunset 8:06 pm · last light 8:34 pm
  • Tide: high 2:46 am (3.9 ft), low 9:42 am (1.8 ft), high 1:09 pm (2.1 ft) and low 7:33 pm (0.2 ft). Every break has its own tide: some work at low tide and others at high tide. The tide doesn’t change the score here.
  • Water at 59.5 °F: a 4/3 fullsuit (booties if you run cold).
  • Energy: 1,648 kJ · Very high power

Today’s surf at a glance

The best window, 8:00 pm to 8:34 pm, has a good size and glassy water, though with big surf. 9:00 am to 1:00 pm can also work, with a good size and light offshore wind, though with big surf. 6:02 am to 8:00 am can also work, with a good size and light offshore wind, though with big surf.

An estimate for this stretch of coast, not for a specific break: every beach or reef works its own way (its tide, bottom and angle). Check it when you get there.

Follow the flags and the lifeguards, and don’t paddle out if the surf is above your level: this score is a guide, not a substitute for what you see when you get there.

How it’s calculated · Next 7 days

Diving

Diving in Portland today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: poor
1
Poor day · 1 out of 10 10:50 am–1:50 pm Also 7:00–8:00 pm
  • Slack water around high tide (1:09 pm): little current from 12:30 pm to 1:30 pm
  • 9.4 ft swell at 10 s from the south-southwest: heavy surge on the bottom
  • Light offshore wind (6 mph)
  • 0.2 mph current toward the north-northeast, weak (model)
  • Sun high: more light underwater

Not a day for shore diving: swell, wind, current or storms during the best window. If you go, go with a dive shop and only if they give the OK.

Swell 9.4 ft 10 s · from the SSW
Likely visibility Poor Snorkeling: poor
Water and suit 59.5 °F 7 mm wetsuit
Current 0.2 mph toward the NNE
  • Slack water today: high tide 2:46 am (2:30–3:01 am), low tide 9:42 am (9:10–10:20 am), high tide 1:09 pm (12:30–1:30 pm) and low tide 7:33 pm (7:18–7:50 pm)
  • Likely visibility: poor. Swell (up to 9.4 ft at 10 s) over the last few days has stirred up the water. Based on the last 24 hours of data.
  • Water at 59.5 °F: a 7 mm wetsuit, with hood and booties.
  • Snorkeling: better not, with these waves, wind or current.
  • Night dive: dark from 8:34 pm. Waning gibbous (89%): a bright night.

Your diving day at a glance

The best window, 10:50 am to 1:50 pm, combines slack water at high tide, light wind, weak current and the sun high, though with a big swell. Also worth a look from 7:00 pm to 8:00 pm, with slack water at low tide, light wind and weak current, though with a big swell.

Slack water comes from the tide: in inlets, channels and between islands the water can keep running for an hour or two after. Ask the local dive shop.

Never dive alone and check with the local dive shop: this rating is a guide, not a substitute for a professional.

How it works · Next 7 days

Dive sites, wrecks and dive shops nearby

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Within 12 mi. Some may be missing or closed; marine reserves usually need a permit. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap

Sites: © OpenStreetMap contributors (ODbL). Sites and fish: Reef Life Survey / IMOS NRMN, CC BY 4.0; fish names, Wikidata.

Weather

Weather in Portland

14-day weather

Now in Portland

Now 62 °F Partly cloudy · feels like 62 °F · 52 / 62 °F
Low / high
52 / 62 °F
Rain
0.00 in · 0%
Clouds
65%
Humidity
69%
Dew pointDew point
52 °F
Visibility
15 mi
UV indexUV
5 · moderate
Air qualityAir
Fair · 21
Saharan dust
No

Pressure and fishing

  • ↗ RisingRising Anglers say fish bite less for a while
  • → SteadySteady Anglers expect normal activity
  • ↘ FallingFalling · now Anglers say fish feed more before the change

Falling now (−0.03 inHg in 3 hours). Over the next 48 hours: −0.49 inHg. Falling pressure: anglers say fish feed more before the change. Fast changes, either way, tend to affect fishing.

Today, hour by hourHour by hour

Bars: mean wind. Dashed line: gusts. Arrows point where the wind blows to.

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Sky OvercastOvercastOvercastOvercastOvercastPartly cloudyClear skyClear
Temperature 54°54°55°57°61°62°60°54°
Wind (mph) 7 WSW6 WSW5 WSW6 WSW6 WSW7 WSW6 SW4 SSE
Gusts 14129131618169
Waves 8.0 ft8.6 ft9.3 ft9.6 ft9.7 ft9.6 ft9.3 ft9.0 ft
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
  • 3:00 pm 62° 7 WSW 9.6 ft
  • 6:00 pm 60° 6 SW 9.3 ft
  • 9:00 pm 54° 4 SSE 9.0 ft
  • 12:00 am 51° 5 E 8.6 ft
  • 3:00 am 49° 6 ENE 8.2 ft
  • 6:00 am 49° 7 ENE 7.7 ft
  • 9:00 am 58° 7 NNE 7.4 ft
  • 12:00 pm 73° 9 N 7.1 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave High tides
Today · 29 Overcast 52 / 62 °F 8 mph WSW 9.7 ft 2:46 am · 1:09 pm
Fri 30 Overcast 49 / 77 °F 10 mph NNE 8.6 ft 3:16 am · 1:05 pm
Sat 31 Drizzle 57 / 66 °F 17 mph WNW 6.3 ft 3:48 am · 1:04 pm
Sun 1 Light drizzle 51 / 61 °F 12 mph W 5.6 ft 4:22 am · 1:09 pm
Mon 2 Light drizzle 48 / 62 °F 9 mph ESE 7.6 ft 4:58 am · 1:10 pm
Tue 3 Light drizzle 52 / 66 °F 7 mph S 7.5 ft 5:39 am · 12:50 pm
Wed 4 Drizzle 49 / 62 °F 17 mph SW 7.8 ft 6:45 am
Thu 5 Overcast 52 / 56 °F 16 mph SSW 8.6 ft 2:25 am · 10:55 am
Fri 6 Overcast 50 / 58 °F 11 mph W 8.2 ft 12:52 am · 11:14 am
Sat 7 Light drizzle 48 / 58 °F 12 mph SW 13 ft 12:41 am · 11:36 am
Sun 8 Light drizzle 44 / 70 °F 17 mph NE 12 ft 12:58 am · 11:58 am
Mon 9 Light drizzle 60 / 68 °F 18 mph N 7.4 ft 1:20 am · 12:19 pm
Tue 10 Light drizzle 54 / 62 °F 11 mph W 10 ft 1:44 am · 12:41 pm
Wed 11 Drizzle 50 / 59 °F 20 mph W 11 ft 2:10 am · 1:02 pm
  • Fri 30 Overcast 49° / 77° 8.6 ft
  • Sat 31 Drizzle 57° / 66° 6.3 ft
  • Sun 1 Light drizzle 51° / 61° 5.6 ft
  • Mon 2 Light drizzle 48° / 62° 7.6 ft
  • Tue 3 Light drizzle 52° / 66° 7.5 ft
  • Wed 4 Drizzle 49° / 62° 7.8 ft
  • Thu 5 Overcast 52° / 56° 8.6 ft
See all 14 days →

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.

  • The models Partly agree · medium confidence: unsure about temperature tomorrow. See the models →
  • Outlook Next few weeks, compared with normal: normal temperatures, normal rain and a slightly warmer sea. See the outlook →
  • Normal Today, cooler than normal for late October (−3.7 °F; normal high: 66 °F). Climate by month →

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 2:14 pm (local time).

Sun

The sun in Portland

Sunrise and sunset →

Sunrise and sunset

Rises 6:30 am in the ESE (108°)ESE
Sets 8:06 pm in the WSW (252°)WSW
  • First light 5:28 am
  • Full dark 9:08 pm
  • Civil dawn 6:02 am
  • Civil dusk 8:34 pm
  • Solar noon 1:17 pm (65° high)
  • Daylight 13 h 36 min (+2 min)
  • Evening golden hour 7:29 pm
  • Full dark 9:08 pm

Golden hour and the day-night map

Morning golden hour6:30–7:06 am
Evening golden hour7:29–8:06 pm
Portland

Today the sun is 92,345,078 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Portland

The moon for 7 days →

Moon phase and position

Waning gibbous · 89% 89% illuminated · 18.4 days old New moon on Mon, Nov 9 · 6:03 pm
Rises — does not rise today
Sets 8:09 am in the NW (306°)NW
Transit 3:34 am overhead
Visible —

Today the moon is 226,459 mi away and looks 32′ 47″ across.

Solunar periods

Today's activity: medium
  • 2:34–4:34 am Major · the moon passes overhead · high activity
  • 3:06–5:06 pm Major · the moon passes underfoot · high activity
  • 7:39–8:39 am Minor · moonset · medium activity
  • 11:36 pm–12:36 am Minor · moonrise · medium activity

According to solunar theory, fish feed more when the moon passes overhead or underfoot (major periods, about 2 h) and when it rises or sets (minor periods, 1 h). It works best around new and full moon.

Upcoming moon phases

2026 moon calendar →
  • Last quarter Mon, Nov 2 · 7:29 amNov 2 in 4 days
  • New moon Mon, Nov 9 · 6:03 pmNov 9 in 11 days
  • First quarter Tue, Nov 17 · 10:48 pmNov 17 in 19 days
  • Full moon Wed, Nov 25 · 1:54 amNov 25 in 27 days

Perigee on October 29, 226,426 mi away, coinciding with the spring tides from October 27 to 29: they will be stronger than usual.

Place

Where to fish in Portland

All places in Victoria →

Piers, ramps and tackle shops nearby

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Within 9.3 mi. A spot may be missing or closed. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap

Spots: © OpenStreetMap contributors (ODbL) and Overture Maps.

Water depth

Gentle slope

The bottom slopes gently: 16 ft deep 0.3 mi from shore and 33 ft at 0.55 mi.

From the shoreline (0.3 mi from Portland) out to sea, heading east.

How far from shore

  • 16 ft deep0.3 mi
  • 33 ft deep0.55 mi
  • 66 ft deep2.7 mi
  • 164 ft deepnot within 3.1 mi

For fishing, swimming and diving

  • Shore fishing. Shallow, gradual bottom (16 ft at 0.3 mi): cast far from the beach and fish the high tide, when there is more water close in.
  • Swimming. A very gentle way in with plenty of shallow water, good for kids. At low tide the water can be far out.
  • Diving. 33 ft deep 0.55 mi from shore; 66 ft is far out (2.7 mi): for deeper dives, go by boat.

Rough estimate: here the data comes in cells of about 0.3 mi and misses details near shore (rocks, sandbars, small coves). The profile is turned slightly from the coast so it does not run into an island or a headland.

Source: NOAA ETOPO 2022 (CC0), cells of about 0.3 mi; depth below mean sea level. For reference only: not for navigation or anchoring.

Nearest lighthouse

Photo of Whalers Bluff Lighthouse
Photo: Tony Buckley · CC BY-SA 3.0

Whalers Bluff Lighthouse 0.7 mi northeast

Light
3 flashes every 30 s; white or red depending on where you see it from · Fl(3) WR 30s
Range
15 nautical miles (17 mi)
Light height
135 ft above sea level
Tower height
39 ft

Light details: NGA List of Lights (USA); the rest from Wikidata. For reference only: not for navigation. Wikipedia · Wikidata · Sources and licenses

Tides near PortlandTides nearby

All places in Victoria, A to Z (249) →

Portland at a glance

  • Town or city of about 9,375 people. Coordinates: 38.346° S, 141.603° E.
  • It is 150 mi west of Geelong, the main place in Victoria. The sun rises 11 min later and sets 11 min later than in Geelong.
  • The nearest tide station, Portland, is 0.6 mi to the east.
  • Its coast faces southeast.
  • Beaches and harbors nearby: Nuns Beach (0.4 mi), S L Patterson Tanker Berth (0.7 mi), K S Anderson Wharf (1.0 mi), Number Two Quay (1.0 mi).

Questions about PortlandQuestions

What time is high tide today in Portland?

Today in Portland there are high tides at 2:46 am (3.9 ft) and 1:09 pm (2.1 ft) and low tides at 9:42 am and 7:33 pm. Tide coefficient 99.

What time is sunset today in Portland?

At 8:06 pm. There is light until the end of civil twilight, at 8:34 pm.

What time is sunrise tomorrow in Portland?

At 6:29 am. First light comes at 5:27 am.

What phase is the moon today?

Waning gibbous, 89% illuminated. New moon on Mon, Nov 9 · 6:03 pm.

When are the next spring tides?

From October 27 to 29, together with the lunar perigee: they will be stronger than usual.

What are today's solunar periods?

Major 2:34–4:34 am, Minor 7:39–8:39 am, Major 3:06–5:06 pm, Minor 11:36 pm–12:36 am. Today's activity is medium.

What's the weather like today in Portland?

Overcast, from 52 °F to 62 °F, with a light breeze from the west-southwest (7 mph) and a 0% chance of rain.

How is the sea today in Portland?

Rough (Douglas 5): 9.6 ft waves with a period of 12.4 s from the south-southwest. The water is 59.9 °F.

When is the best time to visit Portland?

The best time to visit Portland is from January to February: highs of 72 °F to 73 °F, about 4 rainy days a month and 9 hours of sunshine a day.

Can I use this data for navigation?

No. These are predictions for fishing and leisure; for navigation, use the official publications.

Where this data comes from

Tide: Portland (UHSLC) station, with constants from TICON-4 (Hart-Davis, Dettmering and Seitz, 2025, SEANOE), licensed CC BY 4.0, via Slackwater database (changes). Sun and moon: our own calculation with astronomy-engine. Places: GeoNames (CC BY 4.0). Coastline: © OpenStreetMap contributors (ODbL).

Spotted a mistake? Tell us · How we calculate the tide

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