[Mont Saint-Michel Tides](https://montsaintmicheltides.com) › [2027 tide calendar](https://montsaintmicheltides.com/2027-tides) › March 2027 Monthly view Mont Saint-Michel March 2027 tides ==================================== Daily high and low water times, tidal coefficients, and the days the Mont becomes a true island, for the whole month of March 2027. Highlights Month at a glance ----------------- Island days for 2027 are published by the Office de Tourisme in December. 5 Spring tides in March (coef ≥ 95) 106 Highest coefficient (Mar 23) In March 2027 the Bay of Mont Saint-Michel has 5 spring-tide days (coefficient 95 or above). The strongest reaches a coefficient of 106. The Office de Tourisme publishes the days the Mont becomes an island in December, so this month carries no island flags yet. Plan your visit around a spring-tide day to see the bay at its most dramatic. [Read the high tide planning guide](https://montsaintmicheltides.com#plan-high-tide). 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That puts it among the largest tidal ranges in continental Europe. The tables on this site follow the source published for each year. ### When the Mont becomes an island The submersible passage to the rock is only fully covered on a handful of days each year. The Office de Tourisme classifies these "Mont becomes an island" days using local bay dynamics rather than a flat coefficient threshold; weather, wind, and atmospheric pressure all push the actual water level above or below prediction. The 2014 footbridge replaced the old causeway and let the sea wash all the way around the rock again on the strongest tides. ### How the tide differs from Saint-Malo SHOM publishes predictions for the Saint-Malo reference port, about thirty kilometres to the west. The Office de Tourisme publishes the tables used here and states any local timing correction alongside them. The coefficients are unchanged. Frequently asked questions -------------------------- ### When is the highest tide in March 2027? ▾ The strongest spring tides of March 2027 cluster around the full moon and new moon. Open the calendar above and look for the days marked with a coefficient of 95 or higher; the very highest of the month sits at coefficient 106. ### Which days does the Mont become an island in March 2027? ▾ The Office de Tourisme publishes the 2027 island days in December, so none is flagged for March 2027 yet. Until then, aim for the days marked with a coefficient of 95 or higher. ### What is the best day to visit Mont Saint-Michel in March 2027? ▾ Aim for any spring-tide day, where the coefficient is 95 or above, ideally at sunset for the most dramatic light. The bay drains far enough at low water to expose kilometres of seabed, then refills fast enough to make the rock feel cut off again. Today [ Mont Saint-Michel Tides ](https://montsaintmicheltides.com)SHOM tide predictions for the bay, refreshed every year. montsaintmicheltides.com Browse -------- - [Today's tides](https://montsaintmicheltides.com#hero-heading) - [Now](https://montsaintmicheltides.com/now) - [Calendar](https://montsaintmicheltides.com/2026-tides) - [Spring tides](https://montsaintmicheltides.com/spring-tides-2026) - [Weather](https://montsaintmicheltides.com/mont-saint-michel-weather) - [Blog](https://montsaintmicheltides.com/blog) - [About](https://montsaintmicheltides.com/about) - [FAQ](https://montsaintmicheltides.com#faq-heading) - [Terms and Conditions](https://montsaintmicheltides.com/terms) Sources --------- - [ SHOM ↗ ](https://maree.shom.fr/) Source and accuracy. Predictions: SHOM, reference port Saint-Malo, distributed by the Office de Tourisme Mont Saint-Michel, Normandie. Times are in legal French time (CET in winter, CEST in summer). Strong onshore winds and low atmospheric pressure can raise actual water levels above prediction. The Tourist Office classifies "Mont becomes an island" days using local bay dynamics, not a simple coefficient threshold. Always verify on site before crossing. [ Heading to Japan? Check Mount Fuji visibility at isfujivisible.com ](https://isfujivisible.com) © 2026 montsaintmicheltides.com Last updated: 2026-09-19 Built with ♥ by [Orkhan Farmanli](https://github.com/orkhanfarmanli/)