TidePlanet

Today in Marennes there are high tides at 5:59 am (17.0 ft) and 6:33 pm (16.3 ft) and low tides at 12:24 am and 12:50 pm. Tide coefficient 91. Right now the tide is rising toward the high tide at 5:59 am. The sun rises at 7:40 am and sets at 5:55 pm: 10 h 15 min of daylight. The moon is 85% illuminated (waning gibbous) and rises at 8:02 pm. Major solunar periods run from 2:30 am to 4:30 am and from 3:02 pm to 5:02 pm. The next spring tides arrive from November 9 to 11. The sea is moderate, with 4.6 ft waves. There's a light breeze from the northeast (7 mph). Overcast, 46 °F.

Fishing

Fishing in Marennes today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
8
Good day · 8 out of 10 5:30–6:30 pm Also 11:50 am–1:50 pm and 5:00–7:00 am
  • High tide at 6:33 pm, coefficient 86
  • Sunset at 5:55 pm, golden hour from 5:13 pm
  • Falling pressure (−0.13 inHg in 24 h), almost no wind and some swell (2.8 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, 5:30 pm to 6:30 pm, combines the 6:33 pm high tide, sunset, falling pressure and some swell. Also good from 11:50 am to 1:50 pm, with the 12:50 pm low tide, moonset, falling pressure and some swell. Also good from 5:00 am to 7:00 am, with the 5:59 am high tide, falling pressure and some swell.

Species with the most records nearby: common sole, meagre, whiting and European hake. What you can catch

How it works · Next 7 days · Fishing rules

Beach

Beach day in Marennes

Beach forecast, 7 days →

Is it a beach day?

0
Not a beach day · 0 out of 10 No good beach time today.
  • Low tide at 12:50 pm: more sand
  • Cloudy (98% cloud cover)
  • Feels like 54 °F: chilly for the beach
  • Light offshore wind (10 mph): it blows floats and inflatables out to sea
  • Swim with care: 3.3 ft waves every 11 s; moderate rip current risk
  • Water at 59 °F (cold)

Today, hour by hour

  • Swimming Use care · 3.3 ft

    3.3 ft waves every 11 s: swim with care and stay where you can stand. Moderate rip current risk. Always follow the lifeguard's flags.

  • Water 59 °F

    Cold: ease in slowly.

  • Sun & sunscreen UV 2 · SPF 15

    Max UV 2 (low): SPF 15 sunscreen.

  • Wind 10 mph

    Offshore breeze (10 mph). Watch floats and inflatables: offshore wind carries them out to sea.

  • Tide & sand 12:50 pm

    Low tide at 12:24 am and 12:50 pm: that's when there's the most sand. High tide at 5:59 am and 6:33 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 Marennes

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 Marennes

Tides for 7 days →

Today's high and low tides

  • ▼ Low tide 12:24 am 2.5 ft
  • ▼ Low tide 12:50 pm 2.3 ft
  • ▲ High tide 6:33 pm 16.3 ft · coef. 86

↑ Rising The tide is rising. 5 h 3 min to high tide at 5:59 am.

Tide coefficient 91 for the 5:59 am high tide and 86 for the 6:33 pm high tide. Spring tides. The water rises and falls 14.7 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 (18.7 ft) and the lowest, on August 14 (1.0 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 99, 16.0 ft range). The smallest, on October 19 (coefficient 27, 4.8 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 · 5:55 pm Low tide 12:24 am · 2.5 ft High tide 5:59 am · 17.0 ft Low tide 12:50 pm · 2.3 ft High tide 6:33 pm · 16.3 ft Coef. 91 85% Major periods 2:30 am · 3:02 pm Medium
Fri 30 7:42 am · 5:54 pm Low tide 1:07 am · 3.1 ft High tide 6:40 am · 16.2 ft Low tide 1:36 pm · 3.1 ft High tide 7:56 pm · 15.0 ft Coef. 81 76% Major periods 3:35 am · 4:06 pm Medium
Sat 31 7:43 am · 5:52 pm Low tide 1:53 am · 4.1 ft High tide 8:25 am · 15.1 ft Low tide 2:26 pm · 4.1 ft High tide 9:35 pm · 14.2 ft Coef. 68 66% Major periods 4:37 am · 5:07 pm Medium
Sun 1 7:44 am · 5:51 pm Low tide 2:46 am · 5.1 ft High tide 10:02 am · 14.6 ft Low tide 3:26 pm · 5.2 ft High tide 10:53 pm · 13.8 ft Coef. 55 Last quarter Major periods 5:36 am · 6:04 pm Medium
Mon 2 7:46 am · 5:50 pm Low tide 3:49 am · 6.0 ft High tide 11:19 am · 14.5 ft Low tide 4:39 pm · 5.8 ft — Coef. 49 43% Major periods 6:30 am · 6:55 pm Medium
Tue 3 7:47 am · 5:48 pm High tide 12:05 am · 14.0 ft Low tide 5:06 am · 6.2 ft High tide 12:30 pm · 14.8 ft Low tide 5:59 pm · 5.6 ft Coef. 51 33% Major periods 7:20 am · 7:43 pm Medium
Wed 4 7:49 am · 5:47 pm High tide 1:09 am · 14.5 ft Low tide 6:23 am · 5.7 ft High tide 1:34 pm · 15.3 ft Low tide 7:09 pm · 4.9 ft Coef. 60 23% Major periods 8:06 am · 8:28 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 Pont de la Seudre station (REFMAR (Vigicrues)), 2.3 mi from Marennes. Times and heights are its predictions.

Station data attribution: REFMAR, PONT_SEUDRE_VIGICRUES (Vigicrues), http://dx.doi.org/10.17183/REFMAR#6344, https://data.shom.fr/donnees/refmar/6344: sea level observations of 2025-09-30 to 2026-10-01. Licence Ouverte v2.0 (Etalab, https://www.etalab.gouv.fr/licence-ouverte-open-licence/). Modified: harmonic constants fitted by TidePlanet from these observations.

How we calculate the tide

Sea and waves

The sea at Marennes

7-day waves

Sea stateSea state: moderate

Moderate Douglas 4 · gentle breeze, Beaufort 3
Waves 4.6 ft · 12.2 s from the west (281°)
Swell 4.6 ft · 10.2 s from the west
Current 0.2 mph toward the SW

The waves you may find

  • Most commonMost common2.3 ft
  • Significant4.6 ft
  • Highest expectedHighest9.1 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 9.1 ft. Before heading out, expect waves of up to 9.1 ft.

Wind on the coast and offshore

On the coast 7 mph NE · gusts 10
Offshore (8.6 mi SW)Offshore 10 mph ENE · gusts 15

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: 4.7 ft with a period of 12 s, from the west (moderate).

Water temperature

Water temperature →
Water now59.7 °F
Today 59.4–59.7 °F air: 43 / 59 °F
Satellite (2 days ago) 60.4 °F measured 2.2 mi away

Water temperature changes how fish behave: in very cold or very warm water they feed less. The water cools over the next few days: about 56.3 °F by Wednesday 4.

Water colder than normal for late October (−1.9 °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 12:55 am (local time).

Nearest buoy

Royan Buoy 6200253 · 15 mi SSE of here Measured at 10:00 pm, 2 h 55 min ago
Waves 1.0 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), Le Havre Large Seaport, via the E.U. Copernicus Marine Service. Generated using E.U. Copernicus Marine Service Information (doi:10.48670/moi-00036).

Diving

Diving in Marennes today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: poor
6
Average day · 6 out of 10 12:20–1:20 pm Also 5:10–6:30 pm
  • Slack water around low tide (12:50 pm): little current from 12:35 pm to 1:05 pm
  • 3.0 ft swell at 9 s from the west: some surge on the bottom
  • Light offshore wind (8 mph)
  • 0.1 mph current toward the west, weak (model)
  • Sun high: more light underwater
Swell 3.0 ft 9 s · from the W
Likely visibility Poor Snorkeling: fair
Water and suit 59.4 °F 7 mm wetsuit
Current 0.1 mph toward the W
  • Slack water today: low tide 12:24 am (12:09–12:39 am), high tide 5:59 am (5:30–7:00 am), low tide 12:50 pm (12:35–1:05 pm) and high tide 6:33 pm (5:50–7:40 pm)
  • Likely visibility: poor. Swell (up to 5.6 ft at 11 s) over the last few days has stirred up the water. Based on the last 24 hours of data.
  • Water at 59.4 °F: a 7 mm wetsuit, with hood and booties.
  • Snorkeling: doable, with some waves or wind.
  • Night dive: dark from 6:26 pm. Waning gibbous (85%), rising at 8:02 pm: a bright night.

Your diving day at a glance

The best window, 12:20 pm to 1:20 pm, combines slack water at low tide, light wind, weak current and the sun high, though with some swell. Also worth a look from 5:10 pm to 6:30 pm, with slack water at high tide, light wind and weak current, though with some 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 Marennes

14-day weather

Now in Marennes

Now 46 °F Overcast · feels like 41 °F · 43 / 59 °F
Low / high
43 / 59 °F
Rain
0.00 in · 0%
Clouds
90%
Humidity
90%
Dew pointDew point
43 °F
Visibility
13 mi
UV indexUV
0 · low
Air qualityAir
Good · 17
Saharan dust
No
Pollen
None

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: −0.08 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 Partly cloudyOvercastOvercastOvercastOvercastOvercastOvercastPartly cloudy
Temperature 47°44°43°45°53°58°56°48°
Wind (mph) 7 NE6 NE5 NNE10 NE8 ENE9 ENE3 NE8 NE
Gusts 11109141314810
Waves 4.7 ft4.3 ft3.8 ft3.3 ft3.0 ft2.9 ft2.8 ft2.5 ft
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
  • 12:00 am 47° 7 NE 4.7 ft
  • 3:00 am 44° 6 NE 4.3 ft
  • 6:00 am 43° 5 NNE 3.8 ft
  • 9:00 am 45° 10 NE 3.3 ft
  • 12:00 pm 53° 8 ENE 3.0 ft
  • 3:00 pm 58° 9 ENE 2.9 ft
  • 6:00 pm 56° 3 NE 2.8 ft
  • 9:00 pm 48° 8 NE 2.5 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave High tides
Today · 29 Overcast 43 / 59 °F 10 mph NE 4.7 ft 5:59 am · 6:33 pm
Fri 30 Fog 36 / 61 °F 9 mph NE 2.2 ft 6:40 am · 7:56 pm
Sat 31 Fog 44 / 56 °F 7 mph NE 3.0 ft 8:25 am · 9:35 pm
Sun 1 Overcast 45 / 55 °F 11 mph NE 2.8 ft 10:02 am · 10:53 pm
Mon 2 Overcast 42 / 57 °F 10 mph NE 2.3 ft 11:19 am
Tue 3 Overcast 46 / 53 °F 13 mph NNE 1.8 ft 12:05 am · 12:30 pm
Wed 4 Partly cloudy 43 / 52 °F 10 mph NE 1.9 ft 1:09 am · 1:34 pm
Thu 5 Partly cloudy 40 / 60 °F 9 mph ENE 2.0 ft 2:04 am · 2:28 pm
Fri 6 Overcast 44 / 59 °F 9 mph ESE 1.4 ft 2:50 am · 3:12 pm
Sat 7 Overcast 49 / 63 °F 11 mph SE 2.4 ft 3:25 am · 3:45 pm
Sun 8 Overcast 53 / 65 °F 11 mph SE 2.4 ft 3:49 am · 4:05 pm
Mon 9 Light drizzle 56 / 61 °F 13 mph SSE 3.4 ft 4:07 am · 4:23 pm
Tue 10 Light drizzle 54 / 62 °F 11 mph SSE 3.0 ft 4:33 am · 4:50 pm
Wed 11 Light drizzle 53 / 61 °F 10 mph SW 3.7 ft 5:04 am · 5:19 pm
  • Fri 30 Fog 36° / 61° 2.2 ft
  • Sat 31 Fog 44° / 56° 3.0 ft
  • Sun 1 Overcast 45° / 55° 2.8 ft
  • Mon 2 Overcast 42° / 57° 2.3 ft
  • Tue 3 Overcast 46° / 53° 1.8 ft
  • Wed 4 Partly cloudy 43° / 52° 1.9 ft
  • Thu 5 Partly cloudy 40° / 60° 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 Partly agree · medium confidence: unsure about temperature tomorrow. See the models →
  • Outlook The next few weeks look normal for the time of year. See the outlook →
  • Normal Today, cooler than normal for late October (−3.1 °F; normal high: 62 °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 12:55 am (local time).

Sun

The sun in Marennes

Sunrise and sunset →

Sunrise and sunset

Rises 7:40 am in the ESE (109°)ESE
Sets 5:55 pm in the WSW (251°)WSW
  • First light 6:34 am
  • Full dark 7:01 pm
  • Civil dawn 7:09 am
  • Civil dusk 6:26 pm
  • Solar noon 12:48 pm (31° high)
  • Daylight 10 h 15 min (−3 min)
  • Evening golden hour 5:13 pm
  • Full dark 7:01 pm

Golden hour and the day-night map

Morning golden hour7:40–8:23 am
Evening golden hour5:13–5:55 pm
Marennes

Today the sun is 92,335,476 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Marennes

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 8:02 pm in the NE (48°)NE
Sets 1:03 pm tomorrow · in the NW (311°) · set at 12:02 pm
Transit 3:30 am overhead
Visible 17 h 0 min from 8:02 pm to 1:03 pm

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

Solunar periods

Today's activity: medium
  • 2:30–4:30 am Major · the moon passes overhead · high activity
  • 3:02–5:02 pm Major · the moon passes underfoot · high activity
  • 11:32 am–12:32 pm Minor · moonset · medium activity
  • 7:32–8:32 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 Marennes

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

Very shallow

Very shallow and flat: even 3.1 mi from shore the water is less than 16 ft deep.

From the shoreline (1.7 mi from Marennes) out to sea, heading west.

How far from shore

  • 16 ft deepnot within 3.1 mi
  • 33 ft deepnot within 3.1 mi
  • 66 ft deepnot within 3.1 mi
  • 164 ft deepnot within 3.1 mi

For fishing, swimming and diving

  • Shore fishing. Very shallow: the water doesn't reach 16 ft within 3.1 mi. Cast far from the beach, ideally around high tide.
  • 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: the water doesn't reach 33 ft within 3.1 mi. For deeper dives, take a boat farther out.

Inside bays, estuaries and harbors the bottom changes a lot from spot to spot (channels and shoals): use this only as a rough guide. Where the bottom comes up to the surface there are shoals, rocks or an islet next to the profile.

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 MarennesTides nearby

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

Marennes at a glance

  • Town or city of about 5,027 people. Coordinates: 45.823° N, 1.105° W.
  • It is 72 mi north of Bordeaux, the main place in New Aquitaine. The sun rises 4 min later and sets at the same time than in Bordeaux.
  • The nearest tide station, Pont de la Seudre, is 2.3 mi to the southwest.
  • Its coast faces west.

Questions about MarennesQuestions

What time is high tide today in Marennes?

Today in Marennes there are high tides at 5:59 am (17.0 ft) and 6:33 pm (16.3 ft) and low tides at 12:24 am and 12:50 pm. Tide coefficient 91.

What time is sunset today in Marennes?

At 5:55 pm. There is light until the end of civil twilight, at 6:26 pm.

What time is sunrise tomorrow in Marennes?

At 7:42 am. First light comes at 6:36 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 2:30–4:30 am, Minor 11:32 am–12:32 pm, Major 3:02–5:02 pm, Minor 7:32–8:32 pm. Today's activity is medium.

What's the weather like today in Marennes?

Overcast, from 43 °F to 59 °F, with a light breeze from the northeast (7 mph) and a 0% chance of rain.

How is the sea today in Marennes?

Moderate (Douglas 4): 4.6 ft waves with a period of 12.2 s from the west. The water is 59.7 °F.

When is the best time to visit Marennes?

The best time to visit Marennes is from June to August: highs of 74 °F to 78 °F, about 6 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: Pont de la Seudre tide gauge (REFMAR, Vigicrues), doi:10.17183/REFMAR#6344, licensed Licence Ouverte 2.0; constants fitted by TidePlanet from its readings. 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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