TidePlanet

Vieux-Boucau-les-Bains tides today

Thursday, October 29, 2026 · local time (CET) Thu, Oct 29 · CET B · Nearby station Boucau, 19 mi away

Today in Vieux-Boucau-les-Bains there are high tides at 6:06 am (13.0 ft) and 6:36 pm (12.5 ft) and low tide at 12:20 pm. Tide coefficient 93. Right now the tide is falling toward the low tide at 12:20 pm. The sun rises at 7:38 am and sets at 6:00 pm: 10 h 23 min of daylight. The moon is 85% illuminated (waning gibbous) and rises at 8:14 pm. Major solunar periods run from 2:31 am to 4:31 am and from 3:03 pm to 5:03 pm. The next spring tides arrive from November 9 to 11. The sea is moderate, with 5.4 ft waves. There's a light breeze from the east-southeast (5 mph). Overcast, 51 °F.

Fishing

Fishing in Vieux-Boucau-les-Bains today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
8
Good day · 8 out of 10 5:40–6:30 pm Also 11:20 am–1:20 pm
  • High tide at 6:36 pm, coefficient 88
  • Sunset at 6:00 pm, golden hour from 5:20 pm
  • Falling pressure (−0.12 inHg in 24 h), almost no wind and some swell (4.5 ft waves) to stir the water
  • Waning gibbous: a bit more activity than at the quarters
  • Highest tide coefficient today: 93 (spring tides)

Your day at a glance

The best window, 5:40 pm to 6:30 pm, combines the 6:36 pm high tide, sunset, falling pressure and some swell. Also good from 11:20 am to 1:20 pm, with the 12:20 pm low tide, moonset and falling pressure.

Species with the most records nearby: Atlantic horse mackerel, European hake, European squid and small-spotted catshark. October is one of the months when these are seen most: small-spotted catshark. What you can catch

How it works · Next 7 days · Fishing rules

Beach

Beach day in Vieux-Boucau-les-Bains

Beach forecast, 7 days →

Is it a beach day?

0
Not a beach day · 0 out of 10 No good beach time today.
  • Offshore breeze (5 mph)
  • Low tide at 12:20 pm: more sand
  • Cloudy (99% cloud cover)
  • Feels like 61 °F: chilly for the beach
  • Dangerous for swimming: 5.4 ft waves every 12 s; high rip current risk
  • Water at 64 °F (cold)

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 · 5.4 ft

    5.4 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 64 °F

    Cold: ease in slowly.

  • Sun & sunscreen UV 2 · SPF 15

    Max UV 2 (low): SPF 15 sunscreen.

  • Wind 5 mph

    Offshore breeze (5 mph).

  • Tide & sand 12:20 pm

    Low tide at 12:20 pm: that's when there's the most sand. High tide at 6:06 am and 6:36 pm.

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 Vieux-Boucau-les-Bains

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). Bathing water quality: European Environment Agency (EEA), with data from the French Ministry of Health (baignades.sante.gouv.fr).

Tides

Tides in Vieux-Boucau-les-Bains

Tides for 7 days →

Today's high and low tides

  • ▲ High tide 6:06 am 13.0 ft · coef. 93
  • ▲ High tide 6:36 pm 12.5 ft · coef. 88

↓ Falling The tide is falling. 3 h 4 min to low tide at 12:20 pm.

Tide coefficient 93 for the 6:06 am high tide and 88 for the 6:36 pm high tide. Spring tides. The water rises and falls 11.3 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 March 20 (13.8 ft) and the lowest, on August 14 (0.6 ft).

Semidiurnal: two high and two low tides a day, of similar height.

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 26 to 28 (coefficient 100, 12.2 ft range). The smallest, on October 19 (coefficient 27, 3.8 ft).

Tide and solunar table · this week

October Print Full 2026 tide table, free
Day Sun Tide 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Thu 29 7:38 am · 6:00 pm High tide 6:06 am · 13.0 ft Low tide 12:20 pm · 1.7 ft High tide 6:36 pm · 12.5 ft — Coef. 93 85% Major periods 2:31 am · 3:03 pm Medium
Fri 30 7:39 am · 5:59 pm Low tide 12:38 am · 2.5 ft High tide 6:54 am · 12.5 ft Low tide 1:11 pm · 2.4 ft High tide 7:29 pm · 11.7 ft Coef. 82 76% Major periods 3:36 am · 4:08 pm Medium
Sat 31 7:40 am · 5:58 pm Low tide 1:29 am · 3.3 ft High tide 7:50 am · 11.8 ft Low tide 2:10 pm · 3.2 ft High tide 8:35 pm · 10.8 ft Coef. 69 66% Major periods 4:39 am · 5:09 pm Medium
Sun 1 7:41 am · 5:56 pm Low tide 2:29 am · 4.1 ft High tide 9:01 am · 11.2 ft Low tide 3:21 pm · 3.9 ft High tide 9:56 pm · 10.2 ft Coef. 57 Last quarter Major periods 5:38 am · 6:05 pm Medium
Mon 2 7:43 am · 5:55 pm Low tide 3:43 am · 4.7 ft High tide 10:25 am · 10.8 ft Low tide 4:47 pm · 4.2 ft High tide 11:21 pm · 10.1 ft Coef. 50 43% Major periods 6:31 am · 6:57 pm Medium
Tue 3 7:44 am · 5:54 pm Low tide 5:08 am · 4.7 ft High tide 11:48 am · 10.9 ft Low tide 6:12 pm · 3.9 ft — Coef. 52 33% Major periods 7:21 am · 7:44 pm Medium
Wed 4 7:45 am · 5:52 pm High tide 12:33 am · 10.5 ft Low tide 6:27 am · 4.3 ft High tide 12:57 pm · 11.4 ft Low tide 7:16 pm · 3.5 ft Coef. 60 23% Major periods 8:07 am · 8:30 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

B · Nearby station

Vieux-Boucau-les-Bains has no station of its own, so we use the tide at Boucau (Bayonne, 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 Vieux-Boucau-les-Bains

7-day waves

Sea stateSea state: moderate

Moderate Douglas 4 · light breeze, Beaufort 2
Waves 5.4 ft · 12.2 s from the west-northwest (300°)
Swell 5.4 ft · 10.2 s from the west-northwest
Current 0.1 mph toward the S

The waves you may find

  • Most commonMost common2.7 ft
  • Significant5.4 ft
  • Highest expectedHighest11 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 11 ft. Before heading out, expect waves of up to 11 ft.

Wind on the coast and offshore

On the coast 5 mph ESE · gusts 9
Offshore (5.4 mi WSW)Offshore 7 mph ESE · gusts 13

Offshore wind. The coast faces west and the wind blows from land out to sea: calm shore and clean waves, but watch the drift out to sea.

Offshore Hourly wind →

Wave height, next 7 daysWaves, next 7 days

Waves ease over the next few days. The biggest waves arrive on Thursday 29: 8.7 ft with a period of 13 s, from the west-northwest (rough).

Water temperature

Water temperature →
Water now63.3 °F
Today 63.3–63.5 °F air: 47 / 64 °F
Satellite (2 days ago) 64.9 °F measured 0.8 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 about normal for late October.

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 9:16 am (local time).

Nearest buoy

Anglet Buoy 6200066 · 21 mi SSW of here Measured at 6:00 am, 3 h 16 min ago
Waves 6.2 ft —

This is a real measurement of the sea, not a forecast. Data from Centre for Studies on Risks Environment Mobility and Urban Planning - Technical directorate Risks waters and sea (Plouzane), Pau and Pays de l'Adour University, via the E.U. Copernicus Marine Service. Generated using E.U. Copernicus Marine Service Information (doi:10.48670/moi-00036).

Surf

Surf in Vieux-Boucau-les-Bains today

Surf hour by hour and 7 days →

Surf today

Very good
8
Very good · 8 out of 10 8:00 am–12:00 pm 4.4–6.8 ft
  • 4.4–6.8 ft surf at the shore, a good size with some punch
  • 5.4 ft swell at 10 s from the west-northwest, average
  • Light offshore wind (5 mph): it holds up and grooms the waves
  • Falling tide (low tide at 12:20 pm)
Surf at the shore 4.4–6.8 ft average – sets
Swell 5.4 ft 10 s · WNW · 563 kJ
Wind 5 mph ESE · offshore
Water and wetsuit 63.3 °F 3/2 fullsuit
  • Light: First light 7:08 am · sunrise 7:38 am · sunset 6:00 pm · last light 6:30 pm
  • Tide: high 6:06 am (13.0 ft), low 12:20 pm (1.8 ft) and high 6:36 pm (12.5 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 63.3 °F: a 3/2 fullsuit.
  • Energy: 563 kJ · High power

Today’s surf at a glance

The best window, 8:00 am to 12:00 pm, has a good size and light offshore 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 Vieux-Boucau-les-Bains today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: poor
4
Fair day · 4 out of 10 5:20–6:00 pm Also 11:40 am–1:00 pm
  • 4.5 ft swell at 9 s from the west-northwest: strong surge on the bottom
  • Almost no wind
  • 0.1 mph current toward the south, weak (model)
  • Daylight
Swell 4.5 ft 9 s · from the WNW
Likely visibility Poor Snorkeling: poor
Water and suit 63.3 °F 7 mm wetsuit
Current 0.1 mph toward the S
  • Slack water today: low tide 11:52 pm (11:30 pm–12:10 am), high tide 6:06 am (5:40–6:30 am), low tide 12:20 pm (12:00–12:40 pm) and high tide 6:36 pm (6:10–7:00 pm)
  • Likely visibility: poor. Swell (up to 8.9 ft at 11 s) over the last few days has stirred up the water. Based on the last 24 hours of data.
  • Water at 63.3 °F: a 7 mm wetsuit, with hood and booties.
  • Snorkeling: better not, with these waves, wind or current.
  • Night dive: dark from 6:30 pm. Waning gibbous (85%), rising at 8:14 pm: a bright night.

Your diving day at a glance

The best window, 5:20 pm to 6:00 pm, combines light wind and weak current, though with some swell. Also worth a look from 11:40 am to 1:00 pm, with slack water at low tide, light wind, weak current and the sun high, 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

Wreck and reef positions are approximate and not for navigation; a wreck’s depth runs from the top of the hull to the seabed.

Sites: © OpenStreetMap contributors (ODbL). Wrecks: EMODnet Human Activities (AND-International), from UK Hydrographic Office data, CC BY 4.0. Contains public sector information licensed under the Open Government Licence v3.0.

Weather

Weather in Vieux-Boucau-les-Bains

14-day weather

Now in Vieux-Boucau-les-Bains

Now 51 °F Overcast · feels like 47 °F · 47 / 64 °F
Low / high
47 / 64 °F
Rain
0.00 in · 0%
Clouds
100%
Humidity
78%
Dew pointDew point
44 °F
Visibility
14 mi
UV indexUV
1 · low
Air qualityAir
Good · 19
Saharan dust
No
Pollen
None

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 (+0.01 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

Hourly weather Wind Surf

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 OvercastOvercastOvercastOvercastOvercastOvercastOvercastOvercast
Temperature 50°48°48°49°60°64°60°53°
Wind (mph) 5 ENE6 E6 E5 ESE4 E3 NE2 ESE3 NE
Gusts 101113910875
Waves 8.7 ft7.8 ft6.5 ft5.4 ft4.9 ft4.7 ft4.5 ft4.2 ft
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
  • 9:00 am 49° 5 ESE 5.4 ft
  • 12:00 pm 60° 4 E 4.9 ft
  • 3:00 pm 64° 3 NE 4.7 ft
  • 6:00 pm 60° 2 ESE 4.5 ft
  • 9:00 pm 53° 3 NE 4.2 ft
  • 12:00 am 49° 4 E 3.7 ft
  • 3:00 am 46° 2 ENE 3.3 ft
  • 6:00 am 45° 4 ESE 3.1 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave High tides
Today · 29 Overcast 47 / 64 °F 7 mph E 8.7 ft 6:06 am · 6:36 pm
Fri 30 Fog 44 / 64 °F 5 mph ENE 3.7 ft 6:54 am · 7:29 pm
Sat 31 Fog 44 / 62 °F 6 mph NE 4.3 ft 7:50 am · 8:35 pm
Sun 1 Fog 44 / 57 °F 4 mph ENE 4.3 ft 9:01 am · 9:56 pm
Mon 2 Mainly clear 40 / 57 °F 5 mph NE 3.8 ft 10:25 am · 11:21 pm
Tue 3 Overcast 36 / 54 °F 4 mph NNE 3.0 ft 11:48 am
Wed 4 Drizzle 37 / 57 °F 10 mph E 2.7 ft 12:33 am · 12:57 pm
Thu 5 Light rain 46 / 63 °F 7 mph E 2.9 ft 1:31 am · 1:52 pm
Fri 6 Drizzle 46 / 62 °F 7 mph E 2.4 ft 2:18 am · 2:38 pm
Sat 7 Drizzle 50 / 56 °F 5 mph N 2.6 ft 2:58 am · 3:19 pm
Sun 8 Overcast 46 / 64 °F 5 mph E 2.4 ft 3:35 am · 3:55 pm
Mon 9 Overcast 47 / 68 °F 8 mph ESE 1.6 ft 4:10 am · 4:29 pm
Tue 10 Overcast 50 / 64 °F 6 mph E 1.2 ft 4:43 am · 5:02 pm
Wed 11 Drizzle 55 / 58 °F 8 mph E 2.1 ft 5:16 am · 5:35 pm
  • Fri 30 Fog 44° / 64° 3.7 ft
  • Sat 31 Fog 44° / 62° 4.3 ft
  • Sun 1 Fog 44° / 57° 4.3 ft
  • Mon 2 Mainly clear 40° / 57° 3.8 ft
  • Tue 3 Overcast 36° / 54° 3.0 ft
  • Wed 4 Drizzle 37° / 57° 2.7 ft
  • Thu 5 Light rain 46° / 63° 2.9 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 on Sunday 1. See the models →
  • Outlook Next few weeks, compared with normal: normal temperatures, a bit drier and a near-normal sea. See the outlook →
  • Normal Today, normal highs for late October (65 °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 9:16 am (local time).

Sun

The sun in Vieux-Boucau-les-Bains

Sunrise and sunset →

Sunrise and sunset

Rises 7:38 am in the ESE (108°)ESE
Sets 6:00 pm in the WSW (252°)WSW
  • First light 6:34 am
  • Full dark 7:04 pm
  • Civil dawn 7:08 am
  • Civil dusk 6:30 pm
  • Solar noon 12:49 pm (33° high)
  • Daylight 10 h 23 min (−3 min)
  • Evening golden hour 5:20 pm
  • Full dark 7:04 pm

Golden hour and the day-night map

Morning golden hour7:38–8:18 am
Evening golden hour5:20–6:00 pm
Vieux-Boucau-les-Bains

Today the sun is 92,335,456 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Vieux-Boucau-les-Bains

The moon for 7 days →

Moon phase and position

Waning gibbous · 85% 85% illuminated · 18.8 days old New moon on Mon, Nov 9 · 8:03 am
Rises 8:14 pm in the NE (50°)NE
Sets 12:54 pm tomorrow · in the NW (309°) · set at 11:53 am
Transit 3:31 am overhead
Visible 16 h 40 min from 8:14 pm to 12:54 pm

Today the moon is 226,618 mi away and looks 32′ 45″ across.

Solunar periods

Today's activity: medium
  • 2:31–4:31 am Major · the moon passes overhead · high activity
  • 3:03–5:03 pm Major · the moon passes underfoot · high activity
  • 11:23 am–12:23 pm Minor · moonset · medium activity
  • 7:44–8:44 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 Sun, Nov 1 · 9:29 pmNov 1 in 3 days
  • New moon Mon, Nov 9 · 8:03 amNov 9 in 11 days
  • First quarter Tue, Nov 17 · 12:48 pmNov 17 in 19 days
  • Full moon Tue, Nov 24 · 3:54 pmNov 24 in 26 days

Next perigee (the moon at its closest to Earth): November 25, 223,281 mi away.

Place

Where to fish in Vieux-Boucau-les-Bains

All places in New Aquitaine →

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 0.4 mi from shore and 33 ft at 0.7 mi.

From the shoreline (0.55 mi from Vieux-Boucau-les-Bains) out to sea, heading west.

How far from shore

  • 16 ft deep0.4 mi
  • 33 ft deep0.7 mi
  • 66 ft deep1.7 mi
  • 164 ft deepnot within 3.1 mi

For fishing, swimming and diving

  • Shore fishing. Shallow, gradual bottom (16 ft at 0.4 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 0.7 mi. For dives deeper than 33 ft, go by boat.

Source: EMODnet Bathymetry DTM 2024 (CC BY 4.0), cells of about 380 ft; depth at the lowest astronomical tide. For reference only: not for navigation or anchoring.

Tides near Vieux-Boucau-les-BainsTides nearby

All places in New Aquitaine, A to Z (418) →

Vieux-Boucau-les-Bains at a glance

  • Town or city of about 1,498 people. Coordinates: 43.786° N, 1.404° W.
  • It is 83 mi southwest of Bordeaux, the main place in New Aquitaine. The sun rises 1 min later and sets 5 min later than in Bordeaux.
  • The nearest tide station, Boucau, is 19 mi to the south.
  • Its coast faces west.
  • Beaches and harbors nearby: La Dune (2.1 mi), Plage des Casernes (4.6 mi).

Questions about Vieux-Boucau-les-BainsQuestions

What time is high tide today in Vieux-Boucau-les-Bains?

Today in Vieux-Boucau-les-Bains there are high tides at 6:06 am (13.0 ft) and 6:36 pm (12.5 ft) and low tide at 12:20 pm. Tide coefficient 93.

What time is sunset today in Vieux-Boucau-les-Bains?

At 6:00 pm. There is light until the end of civil twilight, at 6:30 pm.

What time is sunrise tomorrow in Vieux-Boucau-les-Bains?

At 7:39 am. First light comes at 6:35 am.

What phase is the moon today?

Waning gibbous, 85% illuminated. New moon on Mon, Nov 9 · 8:03 am.

When are the next spring tides?

From November 9 to 11.

What are today's solunar periods?

Major 2:31–4:31 am, Minor 11:23 am–12:23 pm, Major 3:03–5:03 pm, Minor 7:44–8:44 pm. Today's activity is medium.

What's the weather like today in Vieux-Boucau-les-Bains?

Overcast, from 47 °F to 64 °F, with a light breeze from the east-southeast (5 mph) and a 0% chance of rain.

How is the sea today in Vieux-Boucau-les-Bains?

Moderate (Douglas 4): 5.4 ft waves with a period of 12.2 s from the west-northwest. The water is 63.3 °F.

When is the best time to visit Vieux-Boucau-les-Bains?

The best time to visit Vieux-Boucau-les-Bains is from June to August: highs of 73 °F to 78 °F, about 7 rainy days a month and 8 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: Boucau (Bayonne) 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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