Boulogne-sur-Mer Weekly Tide Tables and Charts

Tide Chart for Next 7 Days

About this chart

Boulogne-sur-Mer weekly tide chart key:

The tide chart above shows the times and heights of high tide and low tide for Boulogne-sur-Mer, for the next seven days. The red line highlights the current time and estimated height.

The tidal range at Boulogne-sur-Mer from October 24, 2026 through October 30, 2026 is approximately 8.16 m, with a minimum tide of 1.05 m and maximum tide of 9.21 m. You can also check out all the daily details on tides & fishing times on the Day tab for Boulogne-sur-Mer.

Tide Table for Next 7 Days

▲ Blue = High Tide ▼ Red = Low Tide

Boulogne-sur-Mer, Hauts-de-France — Tide predictions for Saturday, October 24, 2026 – Friday, October 30, 2026. Local times: UTC+02:00 / UTC+01:00. Heights in m relative to LAT.
Day	Moon phase	1^st Tide	2^nd Tide	3^rd Tide	4^th Tide	☀ Sun	Major Times	Minor Times
24 Sat	96%	6:05 AM ▼ 1.87 m	11:39 AM ▲ 8.23 m	6:26 PM ▼ 1.68 m	11:54 PM ▲ 8.47 m	▲ 8:31 AM ▼ 6:43 PM	11:06 AM → 1:06 PM	5:48 AM → 6:48 AM 5:10 PM → 6:10 PM
25 Sun	99%	5:50 AM ▼ 1.48 m	11:13 AM ▲ 8.68 m	6:12 PM ▼ 1.34 m	11:29 PM ▲ 8.86 m	▲ 7:33 AM ▼ 5:41 PM	11:30 PM → 1:30 AM 10:55 AM → 12:55 PM	6:10 AM → 7:10 AM 4:26 PM → 5:26 PM
26 Mon	100%	6:35 AM ▼ 1.23 m	11:48 AM ▲ 9.01 m	6:57 PM ▼ 1.12 m		▲ 7:34 AM ▼ 5:39 PM	11:20 PM → 1:20 AM 11:47 AM → 1:47 PM	7:36 AM → 8:36 AM 4:46 PM → 5:46 PM
27 Tue	98%	12:05 AM ▲ 9.1 m	7:20 AM ▼ 1.12 m	12:23 PM ▲ 9.18 m	7:43 PM ▼ 1.05 m	▲ 7:36 AM ▼ 5:37 PM	12:15 AM → 2:15 AM 12:44 PM → 2:44 PM	9:05 AM → 10:05 AM 5:14 PM → 6:14 PM
28 Wed	93%	12:43 AM ▲ 9.18 m	8:05 AM ▼ 1.16 m	1:01 PM ▲ 9.21 m	8:28 PM ▼ 1.1 m	▲ 7:38 AM ▼ 5:35 PM	1:15 AM → 3:15 AM 1:46 PM → 3:46 PM	10:33 AM → 11:33 AM 5:54 PM → 6:54 PM
29 Thu	85%	1:23 AM ▲ 9.1 m	8:51 AM ▼ 1.32 m	1:41 PM ▲ 9.06 m	9:13 PM ▼ 1.28 m	▲ 7:39 AM ▼ 5:34 PM	2:18 AM → 4:18 AM 2:50 PM → 4:50 PM	11:50 AM → 12:50 PM 6:50 PM → 7:50 PM
30 Fri	76%	2:05 AM ▲ 8.85 m	9:36 AM ▼ 1.59 m	2:25 PM ▲ 8.73 m	9:59 PM ▼ 1.58 m	▲ 7:41 AM ▼ 5:32 PM	3:23 AM → 5:23 AM 3:55 PM → 5:55 PM	12:50 PM → 1:50 PM 8:04 PM → 9:04 PM

Location & Map

Latitude

50° 43' 39" N (50.7274)

Longitude

1° 34' 40" E (1.5777)

Region

Hauts-de-France

About these predictions

Tide heights are predictions, not measurements. Wind, air pressure, storms, and river flow can cause actual water levels to differ. Not for navigation.

Tide prediction source: Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 ( license details ). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data Predictions generated with Slackwater; not an official government forecast. Official source
Vertical datum: LAT — LAT

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