TidePlanet

Today in Équihen-Plage there are high tides at 1:23 am (29.7 ft) and 1:41 pm (29.7 ft) and low tides at 8:50 am and 9:15 pm. Tide coefficient 89. Right now the tide is rising toward the high tide at 1:23 am. The sun rises at 7:40 am and sets at 5:34 pm: 9 h 54 min of daylight. The moon is 85% illuminated (waning gibbous) and rises at 7:21 pm. Major solunar periods run from 2:19 am to 4:19 am and from 2:51 pm to 4:51 pm. The next spring tides arrive from November 9 to 11. The sea is slight, with 3.3 ft waves. There's a gentle breeze from the west-northwest (9 mph). Overcast, 59 °F.

Fishing

Fishing in Équihen-Plage today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
6
Average day · 6 out of 10 7:50–9:50 am Also 12:40–2:40 pm and 3:40–4:50 pm
  • Low tide at 8:50 am
  • Sunrise at 7:40 am
  • Steady pressure (30.39 inHg), light offshore wind (4 mph) and some swell (2.3 ft waves) to stir the water
  • Waning gibbous: a bit more activity than at the quarters
  • Highest tide coefficient today: 89 (average tides)
  • A major period lines up with sunset

Your day at a glance

The best window, 7:50 am to 9:50 am, combines the 8:50 am low tide, sunrise and some swell. Also good from 12:40 pm to 2:40 pm, with the 1:41 pm high tide, moonset, a light onshore breeze and some swell. Also good from 3:40 pm to 4:50 pm, with a major period, sunset and some swell.

Species with the most records nearby: European plaice, whiting, Atlantic horse mackerel and common sole. October is one of the months when these are seen most: Atlantic horse mackerel and thornback ray. What you can catch

How it works · Next 7 days · Fishing rules

Beach

Beach day in Équihen-Plage

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
  • Offshore breeze (6 mph)
  • Low tide at 8:50 am: more sand
  • Feels like 58 °F: chilly for the beach
  • Calm for swimming: 2.3 ft waves; moderate rip current risk
  • Water at 58 °F (very cold)

Today, hour by hour

  • Swimming Calm · 2.3 ft

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

  • Water 58 °F

    Very cold: ease in and keep swims short.

  • Sun & sunscreen UV 2 · SPF 15

    Max UV 2 (low): SPF 15 sunscreen.

  • Wind 6 mph

    Offshore breeze (6 mph).

  • Tide & sand 8:50 am

    Low tide at 8:50 am and 9:15 pm: that's when there's the most sand. High tide at 1:23 am and 1:41 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 Équihen-Plage

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 Équihen-Plage

Tides for 7 days →

Today's high and low tides

  • ▼ Low tide 8:50 am 4.3 ft
  • ▲ High tide 1:41 pm 29.7 ft · coef. 86
  • ▼ Low tide 9:15 pm 4.3 ft

↑ Rising The tide is rising. 1 h 21 min to high tide at 1:23 am.

Tide coefficient 89 for the 1:23 am high tide and 86 for the 1:41 pm high tide. Average coefficient. The water rises and falls 25.5 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 22 (30.3 ft) and the lowest, on August 14 (1.6 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 10 to 12 (coefficient 93, 26.9 ft range). The smallest, on October 20 (coefficient 34, 9.7 ft).

Tide and solunar table · this week

Day Sun Tide 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Thu 29 7:40 am · 5:34 pm High tide 1:23 am · 29.7 ft Low tide 8:50 am · 4.3 ft High tide 1:41 pm · 29.7 ft Low tide 9:15 pm · 4.3 ft Coef. 89 85% Major periods 2:19 am · 2:51 pm Medium
Fri 30 7:42 am · 5:32 pm High tide 2:06 am · 28.9 ft Low tide 9:35 am · 5.2 ft High tide 2:24 pm · 28.6 ft Low tide 10:01 pm · 5.2 ft Coef. 83 76% Major periods 3:23 am · 3:55 pm Medium
Sat 31 7:43 am · 5:31 pm High tide 2:52 am · 27.5 ft Low tide 10:24 am · 6.4 ft High tide 3:13 pm · 27.0 ft Low tide 10:52 pm · 6.5 ft Coef. 75 66% Major periods 4:26 am · 4:56 pm Medium
Sun 1 7:45 am · 5:29 pm High tide 3:46 am · 25.7 ft Low tide 11:18 am · 7.6 ft High tide 4:14 pm · 25.0 ft Low tide 11:50 pm · 7.7 ft Coef. 64 Last quarter Major periods 5:25 am · 5:53 pm Medium
Mon 2 7:47 am · 5:27 pm High tide 4:59 am · 23.9 ft Low tide 12:22 pm · 8.5 ft High tide 5:43 pm · 23.5 ft — Coef. 55 43% Major periods 6:19 am · 6:44 pm Medium
Tue 3 7:48 am · 5:25 pm Low tide 12:59 am · 8.4 ft High tide 6:34 am · 23.2 ft Low tide 1:37 pm · 8.6 ft High tide 7:19 pm · 23.5 ft Coef. 52 33% Major periods 7:09 am · 7:32 pm Medium
Wed 4 7:50 am · 5:24 pm Low tide 2:19 am · 8.1 ft High tide 7:57 am · 23.9 ft Low tide 2:54 pm · 7.6 ft High tide 8:32 pm · 24.6 ft Coef. 60 23% Major periods 7:55 am · 8:17 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 Boulogne-sur-Mer station (TICON-4), 3.6 mi from Équihen-Plage. 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 Équihen-Plage

7-day waves

Sea stateSea state: slight

Slight Douglas 3 · light breeze, Beaufort 2
Waves 3.3 ft · 7.4 s from the west-southwest (255°)
Swell 2.7 ft · 4.2 s from the west-southwest
Current 2.2 mph toward the N

The waves you may find

  • Most commonMost common1.7 ft
  • Significant3.3 ft
  • Highest expectedHighest6.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 6.8 ft. Before heading out, expect waves of up to 6.8 ft.

Wind on the coast and offshore

On the coast 9 mph WNW · gusts 15
Offshore (6.0 mi NNW)Offshore 7 mph WNW · gusts 11

Onshore wind. The coast faces west 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 stay much the same all week. The biggest waves arrive on Monday 2: 3.6 ft with a period of 5 s, from the north-northeast (slight).

Water temperature

Water temperature →
Water now58.5 °F
Today 58.3–58.5 °F air: 54 / 59 °F
Satellite (2 days ago) 60.1 °F measured 0.6 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 12:03 am (local time).

Nearest buoy

Baie de Somme Buoy 6200252 · 31 mi SSW of here Measured at 9:00 pm, 3 h 3 min ago
Waves 3.0 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), via the E.U. Copernicus Marine Service. Generated using E.U. Copernicus Marine Service Information (doi:10.48670/moi-00036).

Surf

Surf in Équihen-Plage today

Surf hour by hour and 7 days →

Surf today

Fair
4
Fair · 4 out of 10 8:00–10:00 am 1.7–2.6 ft Also 11:00 am–3:00 pm
  • 1.7–2.6 ft surf at the shore, a fun size for most surfers
  • 1.8 ft swell at 9 s from the west-southwest, a bit short
  • Almost no wind (3 mph): glassy water
  • Falling tide (low tide at 8:50 am)
Surf at the shore 1.7–2.6 ft average – sets
Swell 1.8 ft 9 s · WSW · 50 kJ
Wind 3 mph SSE · calm
Water and wetsuit 58.3 °F 4/3 fullsuit
  • Light: First light 7:06 am · sunrise 7:40 am · sunset 5:34 pm · last light 6:08 pm
  • Tide: high 1:23 am (29.7 ft), low 8:50 am (4.3 ft), high 1:41 pm (29.7 ft) and low 9:15 pm (4.3 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 58.3 °F: a 4/3 fullsuit (booties if you run cold).
  • Energy: 50 kJ · Low power

Today’s surf at a glance

The best window, 8:00 am to 10:00 am, has glassy water. 11:00 am to 3:00 pm can also work, with glassy water, though with a short-period swell.

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 Équihen-Plage today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: good
7
Good day · 7 out of 10 9:30–10:10 am Also 4:30–5:30 pm
  • Some tidal current
  • 1.7 ft swell at 8 s from the west-southwest: some surge on the bottom
  • Light offshore wind (6 mph)
  • 0.9 mph current toward the south (model)
  • Sun high: more light underwater
Swell 1.7 ft 8 s · from the WSW
Likely visibility Good Snorkeling: fair
Water and suit 58.3 °F 7 mm wetsuit
Current 0.9 mph toward the S
  • Slack water today: high tide 1:23 am (1:08–1:40 am), low tide 8:50 am (8:20–9:10 am), high tide 1:41 pm (1:26–2:00 pm) and low tide 9:15 pm (8:40–9:40 pm)
  • Likely visibility: good. Swell (up to 4.3 ft at 5 s) over the last few days has stirred up the water. Based on the last 24 hours of data.
  • Water at 58.3 °F: a 7 mm wetsuit, with hood and booties.
  • Snorkeling: doable, with some waves or wind.
  • Night dive: dark from 6:08 pm. Waning gibbous (85%), rising at 7:21 pm: a bright night.

Your diving day at a glance

The best window, 9:30 am to 10:10 am, combines light wind and the sun high, though with tidal current and current. Also worth a look from 4:30 pm to 5:30 pm, with light wind and weak current, though with tidal current.

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 Équihen-Plage

14-day weather

Now in Équihen-Plage

Now 59 °F Overcast · feels like 56 °F · 54 / 59 °F
Low / high
54 / 59 °F
Rain
0.00 in · 10%
Clouds
93%
Humidity
79%
Dew pointDew point
53 °F
Visibility
19 mi
UV indexUV
0 · low
Air qualityAir
Fair · 36
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 (−0.00 inHg in 3 hours). Over the next 48 hours: +0.06 inHg. 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 OvercastOvercastOvercastOvercastPartly cloudyMainly clearMainly clearClear
Temperature 59°59°56°56°57°57°59°55°
Wind (mph) 10 WNW7 NW5 SSE4 SE4 ESE2 WSW8 ENE10 E
Gusts 151096751113
Waves 3.3 ft3.0 ft2.6 ft2.3 ft2.0 ft1.8 ft1.6 ft1.5 ft
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
  • 12:00 am 59° 10 WNW 3.3 ft
  • 3:00 am 59° 7 NW 3.0 ft
  • 6:00 am 56° 5 SSE 2.6 ft
  • 9:00 am 56° 4 SE 2.3 ft
  • 12:00 pm 57° 4 ESE 2.0 ft
  • 3:00 pm 57° 2 WSW 1.8 ft
  • 6:00 pm 59° 8 ENE 1.6 ft
  • 9:00 pm 55° 10 E 1.5 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave High tides
Today · 29 Fog 54 / 59 °F 10 mph E 3.3 ft 1:23 am · 1:41 pm
Fri 30 Mainly clear 48 / 58 °F 11 mph E 1.4 ft 2:06 am · 2:24 pm
Sat 31 Overcast 46 / 53 °F 8 mph ENE 1.7 ft 2:52 am · 3:13 pm
Sun 1 Overcast 44 / 56 °F 7 mph NNE 1.6 ft 3:46 am · 4:14 pm
Mon 2 Light showers 51 / 56 °F 14 mph NNE 3.6 ft 4:59 am · 5:43 pm
Tue 3 Light drizzle 50 / 56 °F 13 mph NE 3.0 ft 6:34 am · 7:19 pm
Wed 4 Overcast 42 / 51 °F 10 mph ENE 2.4 ft 7:57 am · 8:32 pm
Thu 5 Mainly clear 38 / 49 °F 11 mph ENE 2.0 ft 9:02 am · 9:31 pm
Fri 6 Clear sky 39 / 49 °F 12 mph E 1.4 ft 9:56 am · 10:20 pm
Sat 7 Overcast 36 / 49 °F 9 mph ESE 2.0 ft 10:40 am · 11:02 pm
Sun 8 Drizzle 46 / 56 °F 9 mph S 1.8 ft 11:20 am · 11:39 pm
Mon 9 Heavy drizzle 51 / 58 °F 12 mph S 2.5 ft 11:55 am
Tue 10 Heavy drizzle 54 / 59 °F 17 mph SSW 4.8 ft 12:12 am · 12:26 pm
Wed 11 Light rain 54 / 59 °F 17 mph SSW 6.5 ft 12:42 am · 12:55 pm
  • Fri 30 Mainly clear 48° / 58° 1.4 ft
  • Sat 31 Overcast 46° / 53° 1.7 ft
  • Sun 1 Overcast 44° / 56° 1.6 ft
  • Mon 2 Light showers 51° / 56° 3.6 ft
  • Tue 3 Light drizzle 50° / 56° 3.0 ft
  • Wed 4 Overcast 42° / 51° 2.4 ft
  • Thu 5 Mainly clear 38° / 49° 2.0 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 They agree · high confidence for the next few days. See the models →
  • Outlook Next few weeks, compared with normal: normal temperatures, normal rain and a slightly warmer sea. See the outlook →
  • Normal Today, warmer than normal for late October (+3.2 °F; normal high: 56 °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 12:03 am (local time).

Sun

The sun in Équihen-Plage

Sunrise and sunset →

Sunrise and sunset

Rises 7:40 am in the ESE (110°)ESE
Sets 5:34 pm in the WSW (249°)WSW
  • First light 6:27 am
  • Full dark 6:47 pm
  • Civil dawn 7:06 am
  • Civil dusk 6:08 pm
  • Solar noon 12:37 pm (26° high)
  • Daylight 9 h 54 min (−4 min)
  • Evening golden hour 4:47 pm
  • Full dark 6:47 pm

Golden hour and the day-night map

Morning golden hour7:40–8:28 am
Evening golden hour4:47–5:34 pm
Équihen-Plage

Today the sun is 92,335,655 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Équihen-Plage

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 7:21 pm in the NE (43°)NE
Sets 1:20 pm tomorrow · in the NW (316°) · set at 12:20 pm
Transit 3:19 am overhead
Visible 17 h 59 min from 7:21 pm to 1:20 pm

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

Solunar periods

Today's activity: medium
  • 2:19–4:19 am Major · the moon passes overhead · high activity
  • 2:51–4:51 pm Major · the moon passes underfoot · high activity
  • 11:50 am–12:50 pm Minor · moonset · medium activity
  • 6:51–7:51 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 Équihen-Plage

All places in Hauts-de-France →

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 0.5 mi from shore and 33 ft at 0.5 mi.

From the shoreline (1,100 ft from Équihen-Plage) out to sea, heading west.

How far from shore

  • 16 ft deep0.5 mi
  • 33 ft deep0.5 mi
  • 66 ft deep1.3 mi
  • 164 ft deepnot within 3.1 mi

For fishing, swimming and diving

  • Shore fishing. Shallow, gradual bottom (16 ft at 0.5 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 0.5 mi from shore; 66 ft is far out (1.3 mi): for deeper dives, 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.

Nearest lighthouse

Photo of Phare du Portel
Photo: Ghirardi · CC BY-SA 3.0

Phare du Portel 1.6 mi north

Light
3 white flashes every 15 s · Fl(3) W 15s
Range
23 nautical miles (26 mi)
Light height
203 ft above sea level
Tower height
56 ft

Other lighthouses nearby: Phare Carnot de Boulogne-sur-Mer (4.5 mi north).

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

Tides near Équihen-PlageTides nearby

All places in Hauts-de-France, A to Z (98) →

Équihen-Plage at a glance

  • Town or city of about 2,986 people. Coordinates: 50.676° N, 1.572° E.
  • It is 43 mi southwest of Dunkirk, the main place in Hauts-de-France. The sun rises 2 min later and sets 4 min later than in Dunkirk.
  • The nearest tide station, Boulogne-sur-Mer, is 3.6 mi to the north.
  • Its coast faces west.
  • Beaches and harbors nearby: Plage d'Écault (0.8 mi), Plage d'Equihen (1.6 mi), Plage du Portel (2.3 mi), Plage des Bains (4.0 mi).

Questions about Équihen-PlageQuestions

What time is high tide today in Équihen-Plage?

Today in Équihen-Plage there are high tides at 1:23 am (29.7 ft) and 1:41 pm (29.7 ft) and low tides at 8:50 am and 9:15 pm. Tide coefficient 89.

What time is sunset today in Équihen-Plage?

At 5:34 pm. There is light until the end of civil twilight, at 6:08 pm.

What time is sunrise tomorrow in Équihen-Plage?

At 7:42 am. First light comes at 6:29 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 2:19–4:19 am, Minor 11:50 am–12:50 pm, Major 2:51–4:51 pm, Minor 6:51–7:51 pm. Today's activity is medium.

What's the weather like today in Équihen-Plage?

Fog, from 54 °F to 59 °F, with a gentle breeze from the west-northwest (9 mph) and a 10% chance of rain.

How is the sea today in Équihen-Plage?

Slight (Douglas 3): 3.3 ft waves with a period of 7.4 s from the west-southwest. The water is 58.5 °F.

When is the best time to visit Équihen-Plage?

The best time to visit Équihen-Plage is from July to August: highs of 70 °F, about 9 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: Boulogne-sur-Mer 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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