TidePlanet

Today in Tokashiki there are high tides at 9:16 am (6.4 ft) and 8:37 pm (6.9 ft) and low tides at 2:44 am and 2:48 pm. Tide coefficient 91. Right now the tide is rising toward the high tide at 9:16 am. The sun rises at 6:37 am and sets at 5:51 pm: 11 h 14 min of daylight. The moon is 88% illuminated (waning gibbous) and rises at 8:20 pm. Major solunar periods run from 1:33 am to 3:33 am and from 2:05 pm to 4:05 pm. The next spring tides arrive from October 27 to 29. The sea is slight, with 3.9 ft waves. There's a moderate breeze from the east-northeast (16 mph). Clear sky, 77 °F.

Fishing

Fishing in Tokashiki today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
8
Good day · 8 out of 10 2:10–3:50 pm Also 1:40–2:30 am and 7:50–8:30 pm
  • Low tide at 2:48 pm
  • Major period 2:05–4:05 pm
  • Steady pressure (30.06 inHg), light onshore wind (10 mph) and some swell (3.4 ft waves) to stir the water
  • Waning gibbous: a bit more activity than at the quarters
  • Highest tide coefficient today: 91 (spring tides)

Your day at a glance

The best window, 2:10 pm to 3:50 pm, combines the 2:48 pm low tide, a major period, a light onshore breeze and some swell. Also worth a try from 1:40 am to 2:30 am, with the 2:44 am low tide, a major period and some swell, though with moderate wind. Also good from 7:50 pm to 8:30 pm, with the 8:37 pm high tide, moonrise, a light onshore breeze and some swell.

Species with the most records nearby: mahi-mahi, bluefin trevally, giant trevally and striped mullet. What you can catch

How it works · Next 7 days · Fishing rules

Beach

Beach day in Tokashiki

Beach forecast, 7 days →

Is it a beach day?

4 good hours
7
Good beach day · 7 out of 10 11:00 am–1:00 pm
  • Sun and clouds
  • Feels like 82 °F: beach weather
  • Onshore breeze (12 mph)
  • Calm for swimming: 3.7 ft waves
  • UV 4 (moderate): SPF 30 sunscreen
  • Water at 81 °F (warm)

Today, hour by hour

  • Swimming Calm · 3.7 ft

    3.7 ft waves: calm for swimming. Low rip current risk. Always follow the lifeguard's flags.

  • Water 81 °F

    Warm: very pleasant.

  • Sun & sunscreen UV 4 · SPF 30

    Max UV 4 (moderate): SPF 30 sunscreen, reapplied every 2 hours.

  • Wind 17 mph

    Moderate onshore wind (17 mph).

  • Tide & sand 2:48 pm

    Low tide at 2:44 am and 2:48 pm: that's when there's the most sand. High tide at 9:16 am and 8:37 pm. Coefficient 91 (spring tides): little sand left at high tide.

The best window, 11:00 am to 1:00 pm, brings beach weather, little wind, a calm sea and water at 81 °F.

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 Tokashiki

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

  • Tokashiku Beach 1.4 mi · SW

    sand · 0.5 mi long

    • Restrooms
  • Aharen Beach 2.3 mi · SW

    sand · 0.5 mi long

    • Restrooms
    • Showers
    • Parking
  • Furuzamami Beach 3.7 mi · NW

    sand · 0.5 mi long

    • Restrooms
    • Showers
    • Parking
  • Nishibama Beach 4.7 mi · W

    sand · 0.5 mi long

    • Restrooms
    • Showers
  • Ama Beach 5.0 mi · NW

    sand · 0.6 mi long

    • Restrooms
    • Showers
    • Parking
  • Aka Beach 5.2 mi · W

    sand · 0.3 mi long

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 Tokashiki

Tides for 7 days →

Today's high and low tides

  • ▼ Low tide 2:44 am 0.0 ft
  • ▼ Low tide 2:48 pm 2.9 ft
  • ▲ High tide 8:37 pm 6.9 ft · coef. 85

↑ Rising The tide is rising. 27 min to high tide at 9:16 am.

Tide coefficient 91 for the 9:16 am high tide and 85 for the 8:37 pm high tide. Spring tides. The water rises and falls 6.9 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 August 14 (7.7 ft) and the lowest, on December 25 (-1.0 ft).

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

Heights above NLLW. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. NLLW

Tide coefficient and range in October

The biggest tides of the month came from October 26 to 27 (coefficient 103, 7.0 ft range). The smallest, on October 19 (coefficient 24, 2.5 ft).

Tide and solunar table · this week

Day Sun Tide 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Thu 29 6:37 am · 5:51 pm Low tide 2:44 am · 0.0 ft High tide 9:16 am · 6.4 ft Low tide 2:48 pm · 2.9 ft High tide 8:37 pm · 6.9 ft Coef. 91 88% Major periods 1:33 am · 2:05 pm Medium
Fri 30 6:38 am · 5:50 pm Low tide 3:32 am · 0.2 ft High tide 10:09 am · 5.9 ft Low tide 3:32 pm · 3.3 ft High tide 9:20 pm · 6.5 ft Coef. 78 80% Major periods 2:38 am · 3:10 pm Medium
Sat 31 6:39 am · 5:49 pm Low tide 4:26 am · 0.7 ft High tide 11:12 am · 5.5 ft Low tide 4:28 pm · 3.6 ft High tide 10:14 pm · 6.0 ft Coef. 63 69% Major periods 3:42 am · 4:12 pm Medium
Sun 1 6:39 am · 5:49 pm Low tide 5:30 am · 1.2 ft High tide 12:31 pm · 5.2 ft Low tide 5:51 pm · 3.8 ft High tide 11:29 pm · 5.5 ft Coef. 49 58% Major periods 4:42 am · 5:10 pm Medium
Mon 2 6:40 am · 5:48 pm Low tide 6:48 am · 1.6 ft High tide 2:02 pm · 5.2 ft Low tide 7:45 pm · 3.7 ft — Coef. 42 Last quarter Major periods 5:38 am · 6:04 pm Medium
Tue 3 6:40 am · 5:47 pm High tide 1:17 am · 5.2 ft Low tide 8:13 am · 1.9 ft High tide 3:13 pm · 5.4 ft Low tide 9:16 pm · 3.1 ft Coef. 47 36% Major periods 6:29 am · 6:53 pm Medium
Wed 4 6:41 am · 5:47 pm High tide 3:00 am · 5.3 ft Low tide 9:26 am · 2.0 ft High tide 4:01 pm · 5.8 ft Low tide 10:16 pm · 2.5 ft Coef. 58 26% Major periods 7:16 am · 7:39 pm Low

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

Where this tide comes from

B · Nearby station

Tokashiki has no station of its own, so we use the tide at Naha (TICON-4), 19 mi away. On the open coast the difference is usually a few minutes and inches; inside estuaries, rivers and enclosed bays it can be much larger.

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 Tokashiki

7-day waves

Sea stateSea state: slight

Slight Douglas 3 · moderate breeze, Beaufort 4
Waves 3.9 ft · 5.9 s from the north-northeast (18°)
Swell 2.8 ft · 5.4 s from the north
Current 0.6 mph toward the NW

The waves you may find

  • Most commonMost common1.9 ft
  • Significant3.9 ft
  • Highest expectedHighest8.0 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 8.0 ft. Before heading out, expect waves of up to 8.0 ft.

Wind on the coast and offshore

On the coast 16 mph ENE · gusts 23

The model doesn't separate offshore wind here: it's the same as on the coast.

Onshore wind. The coast faces east and the wind blows straight in from the sea: more surf and backwash at the shore, and bait and boats drift toward land.

Onshore Hourly wind →

Wave height, next 7 daysWaves, next 7 days

Waves build over the next few days. The biggest waves arrive on Wednesday 4: 8.3 ft with a period of 9 s, from the east-northeast (rough).

Water temperature

Water temperature →
Water now80.8 °F
Today 80.6–80.8 °F air: 76 / 79 °F
Satellite (2 days ago) 81.7 °F measured 0.4 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 (+1.4 °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 8:49 am (local time).

Surf

Surf in Tokashiki today

Surf hour by hour and 7 days →

Surf today

Poor
0
Poor · 0 out of 10 6:14–10:00 am 1.9–3.0 ft
  • 1.9–3.0 ft surf at the shore, a fun size for most surfers
  • 2.8 ft swell at 6 s from the north, short: weak, messy waves; it hits this coast at an angle
  • 2.2 ft wind swell at 3 s: messy waves
  • Moderate onshore wind (18 mph): choppy, blown-out waves
  • First or last light of the day
  • Rising tide (high tide at 9:16 am)
Surf at the shore 1.9–3.0 ft average – sets
Swell 2.8 ft 6 s · N · 59 kJ
Wind 18 mph ENE · onshore
Water and wetsuit 80.6 °F Boardshorts
  • Light: First light 6:14 am · sunrise 6:37 am · sunset 5:51 pm · last light 6:15 pm
  • Tide: low 2:44 am (-0.0 ft), high 9:16 am (6.4 ft), low 2:48 pm (2.9 ft) and high 8:37 pm (6.9 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 80.6 °F: boardshorts or a swimsuit and a rash guard.
  • Energy: 59 kJ · Low power

Today’s surf at a glance

The best window, 6:14 am to 10:00 am, has a good size, though with a short-period swell, wind swell and onshore wind.

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 Tokashiki today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: fair
7
Good day · 7 out of 10 1:30–3:40 pm Also 9:10–10:20 am
  • Slack water around low tide (2:48 pm): little current from 2:20 pm to 3:20 pm
  • 2.6 ft swell at 5 s from the north: some surge on the bottom
  • Light onshore wind (10 mph)
  • 0.8 mph current toward the southwest (model)
  • Sun high: more light underwater
Swell 2.6 ft 5 s · from the N
Likely visibility Fair Snorkeling: poor
Water and suit 80.6 °F Shorty or a rash guard
Current 0.8 mph toward the SW
  • Slack water today: low tide 2:44 am (2:29–3:00 am), high tide 9:16 am (8:50–9:40 am), low tide 2:48 pm (2:20–3:20 pm) and high tide 8:37 pm (8:10–9:00 pm)
  • Likely visibility: fair. Swell (up to 3.8 ft at 6 s) and wind over the last few days have stirred up the water. Based on the last 24 hours of data.
  • Water at 80.6 °F: a shorty or a rash guard.
  • Snorkeling: better not, with these waves, wind or current.
  • Night dive: dark from 6:15 pm. Waning gibbous (88%), rising at 8:20 pm: a bright night.

Your diving day at a glance

The best window, 1:30 pm to 3:40 pm, combines slack water at low tide, light wind and the sun high, though with current. Also worth a look from 9:10 am to 10:20 am, with slack water at high tide, weak current and the sun high, though with moderate wind.

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).

Weather

Weather in Tokashiki

14-day weather

Now in Tokashiki

Now 77 °F Clear sky · feels like 77 °F · 76 / 79 °F
Low / high
76 / 79 °F
Rain
0.12 in · 82%
Clouds
17%
Humidity
73%
Dew pointDew point
68 °F
Visibility
15 mi
UV indexUV
1 · low
Air qualityAir
Moderate · 42
Saharan dust
No

Pressure and fishing

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

Steady now (+0.03 inHg in 3 hours). It barely changes over the next 48 hours. Steady pressure: anglers expect normal activity. 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 Mainly clearLight drizzleLight drizzleClear skyPartly cloudyLight drizzleLight drizzleLight drizzle
Temperature 78°76°77°77°78°78°76°78°
Wind (mph) 16 ENE18 ENE18 ENE16 ENE10 NE10 ENE12 NE13 E
Gusts 2024242215141718
Waves 4.5 ft4.2 ft4.1 ft3.9 ft3.6 ft3.4 ft3.3 ft3.2 ft
Rain 0.00 in0.00 in0.01 in0.00 in0.00 in0.00 in0.01 in0.01 in
  • 9:00 am 77° 16 ENE 3.9 ft
  • 12:00 pm 78° 10 NE 3.6 ft
  • 3:00 pm 78° 10 ENE 3.4 ft
  • 6:00 pm 76° 12 NE 3.3 ft
  • 9:00 pm 78° 13 E 3.2 ft
  • 12:00 am 79° 12 ESE 3.0 ft
  • 3:00 am 77° 4 SE 2.8 ft
  • 6:00 am 76° 5 NNW 2.6 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave High tides
Today · 29 Light drizzle 76 / 79 °F 18 mph ENE 4.5 ft 9:16 am · 8:37 pm
Fri 30 Drizzle 76 / 79 °F 22 mph NNE 4.3 ft 10:09 am · 9:20 pm
Sat 31 Mainly clear 76 / 78 °F 20 mph NE 4.2 ft 11:12 am · 10:14 pm
Sun 1 Overcast 75 / 78 °F 16 mph ESE 4.1 ft 12:31 pm · 11:29 pm
Mon 2 Light drizzle 76 / 78 °F 17 mph WNW 3.7 ft 2:02 pm
Tue 3 Light drizzle 76 / 78 °F 24 mph NNE 7.5 ft 1:17 am · 3:13 pm
Wed 4 Light drizzle 78 / 80 °F 20 mph NE 8.3 ft 3:00 am · 4:01 pm
Thu 5 Partly cloudy 78 / 79 °F 20 mph NNE 8.0 ft 4:14 am · 4:39 pm
Fri 6 Light drizzle 76 / 78 °F 23 mph NE 5.1 ft 5:11 am · 5:12 pm
Sat 7 Mainly clear 76 / 79 °F 22 mph E 6.0 ft 5:58 am · 5:42 pm
Sun 8 Light drizzle 77 / 79 °F 20 mph E 4.7 ft 6:39 am · 6:10 pm
Mon 9 Drizzle 72 / 77 °F 30 mph NE 11 ft 7:18 am · 6:38 pm
Tue 10 Light drizzle 72 / 73 °F 26 mph NNE 9.8 ft 7:54 am · 7:05 pm
Wed 11 Overcast 73 / 74 °F 17 mph NE 5.4 ft 8:29 am · 7:33 pm
  • Fri 30 Drizzle 76° / 79° 4.3 ft
  • Sat 31 Mainly clear 76° / 78° 4.2 ft
  • Sun 1 Overcast 75° / 78° 4.1 ft
  • Mon 2 Light drizzle 76° / 78° 3.7 ft
  • Tue 3 Light drizzle 76° / 78° 7.5 ft
  • Wed 4 Light drizzle 78° / 80° 8.3 ft
  • Thu 5 Partly cloudy 78° / 79° 8.0 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 wind today. See the models →
  • Outlook Next few weeks, compared with normal: a bit warmer, a bit drier and a slightly warmer sea. See the outlook →
  • Normal Today, normal highs for late October (78 °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 8:49 am (local time).

Sun

The sun in Tokashiki

Sunrise and sunset →

Sunrise and sunset

Rises 6:37 am in the ESE (104°)ESE
Sets 5:51 pm in the WSW (255°)WSW
  • First light 5:46 am
  • Full dark 6:42 pm
  • Civil dawn 6:14 am
  • Civil dusk 6:15 pm
  • Solar noon 12:14 pm (50° high)
  • Daylight 11 h 14 min (−1 min)
  • Evening golden hour 5:19 pm
  • Full dark 6:42 pm

Golden hour and the day-night map

Morning golden hour6:37–7:09 am
Evening golden hour5:19–5:51 pm
Tokashiki

Today the sun is 92,344,118 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Tokashiki

The moon for 7 days →

Moon phase and position

Waning gibbous · 88% 88% illuminated · 18.5 days old New moon on Mon, Nov 9 · 4:03 pm
Rises 8:20 pm in the ENE (59°)ENE
Sets 10:55 am tomorrow · in the WNW (301°) · set at 9:50 am
Transit 2:33 am overhead
Visible 14 h 36 min from 8:20 pm to 10:55 am

Today the moon is 226,480 mi away and looks 32′ 46″ across.

Solunar periods

Today's activity: medium
  • 1:33–3:33 am Major · the moon passes overhead · high activity
  • 2:05–4:05 pm Major · the moon passes underfoot · high activity
  • 9:20–10:20 am Minor · moonset · medium activity
  • 7:50–8:50 pm 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 · 5:29 amNov 2 in 4 days
  • New moon Mon, Nov 9 · 4:03 pmNov 9 in 11 days
  • First quarter Tue, Nov 17 · 8:48 pmNov 17 in 19 days
  • Full moon Tue, Nov 24 · 11:54 pmNov 24 in 26 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 Tokashiki

All places in Okinawa →

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 0.7 mi from shore and 33 ft at 0.8 mi.

From the shoreline (0.25 mi from Tokashiki) out to sea, heading east.

How far from shore

  • 16 ft deep0.7 mi
  • 33 ft deep0.8 mi
  • 66 ft deepnot within 3.1 mi
  • 164 ft deepnot within 3.1 mi

For fishing, swimming and diving

  • Shore fishing. Shallow, gradual bottom (16 ft at 0.7 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. Shallow near shore: you only reach 33 ft at 0.8 mi. For dives deeper than 33 ft, 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).

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 Aharensaki lighthouse
Photo: Akuppa John Wigham from Newcastle upon Tyne, England · CC BY 2.0

Aharensaki lighthouse 4.2 mi south

Light
A white flash every 8 s · Fl W 8s
Range
12 nautical miles (14 mi)
Light height
318 ft above sea level
Tower height
31 ft
Built
1971

Data from Wikidata. For reference only: not for navigation. Wikidata · Sources and licenses

Tides near TokashikiTides nearby

All places in Okinawa, A to Z (356) →

Tokashiki at a glance

  • Town or city of about 718 people. Coordinates: 26.198° N, 127.363° E.
  • It is 20 mi west of Naha, the main place in Okinawa. The sun rises 1 min later and sets 1 min later than in Naha.
  • The nearest tide station, Naha, is 19 mi to the east.
  • Its coast faces east.
  • Beaches and harbors nearby: Tokashiki Kō (0.5 mi), Agonoura Kō (3.3 mi), Aware-kō (3.4 mi), Zamami Kō (4.3 mi).

Questions about TokashikiQuestions

What time is high tide today in Tokashiki?

Today in Tokashiki there are high tides at 9:16 am (6.4 ft) and 8:37 pm (6.9 ft) and low tides at 2:44 am and 2:48 pm. Tide coefficient 91.

What time is sunset today in Tokashiki?

At 5:51 pm. There is light until the end of civil twilight, at 6:15 pm.

What time is sunrise tomorrow in Tokashiki?

At 6:38 am. First light comes at 5:47 am.

What phase is the moon today?

Waning gibbous, 88% illuminated. New moon on Mon, Nov 9 · 4:03 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 1:33–3:33 am, Minor 9:20–10:20 am, Major 2:05–4:05 pm, Minor 7:50–8:50 pm. Today's activity is medium.

What's the weather like today in Tokashiki?

Light drizzle, from 76 °F to 79 °F, with a moderate breeze from the east-northeast (16 mph) and a 82% chance of rain.

How is the sea today in Tokashiki?

Slight (Douglas 3): 3.9 ft waves with a period of 5.9 s from the north-northeast. The water is 80.8 °F.

When is the best time to visit Tokashiki?

The best time to visit Tokashiki is from October to December and in July: highs of 70 °F to 87 °F, about 10 rainy days a month and 6 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: Naha 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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