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Saint-Malo Guide

Winter spring tides in Saint-Malo

Updated on 27 July 2026

Sheets of seawater sweeping the Sillon seafront in winter
A winter blow on the Sillon: the season when the sea leaps most often. Photo Daniel Plazanet (Daplaza) (CC BY-SA 2.5), via Wikimedia Commons

Winter is the secret season of Saint-Malo’s spring tides. The coefficients sit a notch below the equinox records, yet it is between December and March that the sea leaps the wall most often: all it takes is an Atlantic depression sending its swell across a spring-tide episode, and the Sillon turns into a wall of foam. The module at the top of this page shows the season’s next episode — in 2026 the series runs from the Christmas tides to the February and early-March episodes.

Why winter often beats the equinox

On paper, March and September have the biggest coefficients. But the wave show depends first on swell, and swell is a seasonal affair: from November to March, trains of depressions march across the Atlantic and regularly find a spring tide in their path. A coefficient of 95 under a westerly gale then makes more foam than an April 105 in a flat calm. That is the whole point of our “will the sea leap?” index: it crosses the calendar with swell forecasts as each episode draws near.

The town to yourself

Winter’s other luxury is the emptiness. Spray-swept ramparts, a deserted low-water foreshore stretching to the horizon, the best observation posts with nobody standing in front of you — and hotels at their best rates of the year. The sea-view rooms on the Sillon, unobtainable on an equinox weekend, book without a struggle; in heavy weather, watching the show from your own window, in the warm, is an experience summer never offers. Between two high waters: seafood, a thalasso facing the waves, and the low light that makes the year’s finest photographs.

Seasonal caution

Winter adds its own risks to the usual ritual. The storms that make the show turn sea walls, pier and slipways dangerous: waves sweep the promenade and throw shingle — watch from a safe distance, behind shelter, never from the wall itself, and follow the préfecture’s wave-flooding alerts. Out on the foreshore, the cold shortens your margin for error: before any low-tide outing, check the official SHOM tide times (widget below) and turn back at the turn of the tide — night falls fast.

Written and kept up to date by a Saint-Malo local in love with this coast. The story behind this guide

A wave bursting over the Rochebonne slipway in Saint-Malo
Rochebonne under a westerly swell: the photographers' rendezvous. Photo User:TCY (CC BY-SA 3.0), via Wikimedia Commons
High water against the Sillon sea wall
A winter high water: the beach has gone, the sea touches the wall. Photo Jsamwrites (CC BY-SA 4.0), via Wikimedia Commons

Spring tides 2026 in Saint-Malo

DatesMax coef.Season
4–6 January 202696winter
3–5 February 202699winter
19–21 February 202697winter
4–6 March 202699winter
25–27 December 2026Next spring tide99winter

Dates and coefficients are indicative. Always check the official SHOM tide times before heading onto the foreshore. Official tide times (SHOM) ↗

Will the sea leap the wall?

Waves over the Sillon sea wall: our index for 25–27 December 2026

Forecast closer to the dates

Too early to forecast swell and wind: reliable forecasts cover about 7 days. Come back closer to the date.

Announced coefficient: 99

A qualitative, heuristic estimate — never a guarantee: nature does what it wants. Swell and wind forecasts: Météo-France (Licence Ouverte).

Official tide times for Saint-Malo

Tide predictions provided by SHOM (French national hydrographic office). If the widget does not load, the official tide times remain available below.

Check the official tide times on maree.shom.fr ↗

When are the winter spring tides in Saint-Malo?

The season runs from December to early March, with several episodes at coefficient 95 or more. In 2026: early January (96), two episodes in February (99 and 97), early March (99) and a Christmas episode (25–27 December, 99). The dates of the next occurrence are shown at the top of this page; for high water times, check the official SHOM widget.

Is winter the best season to see the sea leap the wall?

It is the most likely one: Atlantic depressions send swell onto this coast all season, and a coefficient of 95 under a westerly blow often beats a 105 in calm weather. Nothing is guaranteed, though — the show needs coefficient, swell and wind together, which is what our 'will the sea leap?' index estimates as each episode approaches.

What is there to do in Saint-Malo during a winter spring tide?

The high-water show from the ramparts or a seafront room, a deserted low-tide foreshore, spray-swept walks on the walls, a seafood platter and a thalasso to warm up. The town belongs to the locals again: rooms are easy to book, parking is simple, and the low winter light makes the best photographs of the year.

Is winter storm-watching dangerous?

Yes, as soon as you get too close: waves clearing the wall sweep the promenade and throw shingle. Watch from a safe distance, behind shelter — the ramparts, the town side of the promenade, a seafront window — never from the sea wall, the pier or the slipways. When a wave-flooding alert is issued, follow the préfecture's instructions.