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Surf Forecasts:
Siouville surfForecast / Normandy / France
48hr Weather and Surf, issued 1 pm Monday 18 May 2026 CESTForecast update in hr min s Forecast update imminent
Siouville surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Siouville sea temperature is
12.8° C
(Which is slightly warmer than usual)How big are the waves at Siouville today?
The current surf forecast for Siouville at 9PM is: 1.0m 11s primary swell from a West direction and 0.5m 3s secondary swell from a Southwest direction (forecast issued at 01:00pm May 18). The wind direction is predicted to be cross-onshore.
| Time (CEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2.5ft (0.7m) | 12s |
| Afternoon (18 May) | 3.5ft (1.1m) | 12s |
| Evening (18 May) | 3.5ft (1.0m) | 11s |
Table - waves today at Siouville. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Very mild (max 15°C on Wed afternoon, min 12°C on Mon afternoon). Winds decreasing (strong winds from the S on Mon night, light winds from the SW by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 12 | W 12 | W 11 | W 11 | W 11 | W 11 | SSW 5 | W 7 | WSW 8 | WSW 9 | W 9 | W 9 | W 9 | W 9 | WSW 9 | W 10 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | |
142 | 322 | 257 | 231 | 181 | 57 | 108 | 96 | 331 | 336 | 355 | 402 | 452 | 473 | 552 | 669 | 1945 | 1674 | 1266 | 986 | 747 | 653 | 497 | 403 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-off | |
High Tide | 10:17AM4.83m | 10:35PM4.91m | 11:04AM4.69m | 11:21PM4.77m | 11:53AM4.44m | 00:10AM4.52m | ||||||||||||||||||
Low Tide | 5:00PM0.15m | 5:27AM-0.04m | 5:48PM0.31m | 6:17AM0.10m | 6:38PM0.55m | 7:10AM0.33m | ||||||||||||||||||
 |  |  | |  | | | | | | | |  |  | | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — |
 | — | — | — | 9:47 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:51 | — | — | — | 9:52 |
1 | — | — | — | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 15 | 14 |
5 | 6 | 8 | 8 | 7 | 5 | 4 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 11 | 12 | 13 | 14 | 14 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | W 12 | W 11 | W 11 | W 11 | W 6 | W 7 | W 7 | W 9 | — | W 15 | — | W 18 | W 17 | WNW 13 | W 15 | — | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 |
 kJ | 142 | 322 | 257 | 231 | 181 | 41 | 58 | 96 | 153 | — | 4 | — | 6 | 24 | 57 | 302 | — | 1674 | 1266 | 986 | 747 | 653 | 497 | 403 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 11 | WNW 11 | — | — | — | — | — | W 14 | W 13 | WNW 16 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 57 | 37 | — | — | — | — | — | 4 | 3 | 90 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | W 12 | — | SW 3 | SSW 3 | SSW 4 | SSW 5 | SSW 5 | WSW 8 | WSW 9 | W 9 | W 9 | W 9 | W 9 | WSW 9 | W 10 | W 14 | — | — | — | — | — | — | — |
| kJ | 55 | 174 | — | 2 | 8 | 41 | 108 | 93 | 331 | 336 | 355 | 402 | 452 | 473 | 552 | 669 | 1945 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 105 | 105 | 18 | 18 | 23 | 450 | 450 | 450 | 450 | 450 | 685 | 394 | 148 | 148 | 162 | 162 | 163 | 266 | 105 | 16 | 16 | 16 | 0 | 0 |
Best forecast wave conditions in Normandy | ||||||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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