WebCalTides

Tides & Currents for Your Calendar

Subscribe to tide predictions, currents, sunrise/sunset, and lunar phases. Works with Apple Calendar, Google Calendar, and Outlook.

GPS: decimal 37.8, -122.4 or degrees 37°48'N 122°24'W

Built by Jordan Ritter with

Paul Schellenberg — added support for Canadian stations

This product includes data from the Canadian Hydrographic Service of the Department of Fisheries and Oceans. Inclusion does not constitute endorsement by CHS or DFO.

Jan 2026: Completely revamped the UI design.

Jan 2026: XTide & TICON harmonic predictions now available for global coverage.

German tide predictions: Datenquelle: Gezeitenvorausberechnungen ©, Bundesamt für Seeschifffahrt und Hydrographie, Hamburg, 2026-2027. Das BSH übernimmt für die angegebenen Informationen keine Gewähr. Not for navigation.

Norwegian tide predictions: © Kartverket, licensed under CC BY 4.0; heights converted to the selected units, times unchanged (UTC). Not for navigation.

New Zealand tide predictions: based on Toitū Te Whenua Land Information New Zealand data, licensed for re-use under CC BY 4.0; times converted from New Zealand local time (Chatham Islands time for the Chatham Islands ports) to UTC, high/low labels added, heights converted to the selected units. Not the official tide tables under Maritime Rules Part 25. Not for navigation.

Irish tide predictions: data supplied by Marine Institute, licensed under CC BY 4.0; heights, where shown, converted from OD Malin to chart datum (LAT) with a fixed offset per station, and to the selected units; times unchanged (UTC). Storm surge not included. Not for navigation.

Dutch tide predictions: Rijkswaterstaat astronomical tide, CC0; heights above NAP (Dutch land datum), not chart datum, converted from cm to the selected units; times converted from +01:00 to UTC. Weather not included. Not for navigation.