[Mont Saint-Michel Tides](https://montsaintmicheltides.com) › [2027 tide calendar](https://montsaintmicheltides.com/2027-tides) › April 2027 Monthly view Mont Saint-Michel April 2027 tides ==================================== Daily high and low water times, tidal coefficients, and the days the Mont becomes a true island, for the whole month of April 2027. Highlights Month at a glance ----------------- Island days for 2027 are published by the Office de Tourisme in December. 2 Spring tides in April (coef ≥ 95) 95 Highest coefficient (Apr 8) In April 2027 the Bay of Mont Saint-Michel has 2 spring-tide days (coefficient 95 or above). The strongest reaches a coefficient of 95. 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. ### Reading the coefficient Each cycle gets a coefficient on a scale from 20 to 120. Below 95 it is a regular tide: the water comes in and out, retreating further on the higher end of the range. At 95 and above it becomes a spring tide and the entire character of the bay changes. The full year of coefficients sits in the calendar above. ### How we publish these times Tide times here come from SHOM, the official French hydrographic service, with Saint-Malo as the reference port, through tables published by the Office de Tourisme. We compile the predictions to a static file at deploy time, so each page loads from cache without a live API call. Coefficients use the standard 20 to 120 scale. "Mont becomes an island" days follow the Office de Tourisme classification, which combines coefficient with local bay dynamics. Predictions assume calm weather. Check on-site signage before crossing. Frequently asked questions -------------------------- ### When is the highest tide in April 2027? ▾ The strongest spring tides of April 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 95. ### Which days does the Mont become an island in April 2027? ▾ The Office de Tourisme publishes the 2027 island days in December, so none is flagged for April 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 April 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/)