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Caerfai Bay surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 6 pm Sunday 17 May 2026 BSTForecast update in hr min s Forecast update imminent
Caerfai Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Caerfai Bay sea temperature is
11.3° C
(Which is normal for this time of year)How big are the waves at Caerfai Bay today?
The current surf forecast for Caerfai Bay at 1AM is: 1.9m 7s primary swell from a West-southwest direction and 0.1m 12s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a South direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6.5ft (2.0m) | 7s |
| Afternoon (18 May) | 4.5ft (1.3m) | 7s |
| Evening (18 May) | 5.5ft (1.7m) | 6s |
Table - waves today at Caerfai Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 24mm), heaviest during Mon night. Very mild (max 12°C on Mon night, min 9°C on Sun night). Winds increasing (light winds from the W on Sun night, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 5 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | WSW 9 | WSW 10 | WSW 13 | WSW 13 | WSW 13 | |
103 | 165 | 289 | 326 | 335 | 474 | 345 | 186 | 123 | 124 | 208 | 361 | 384 | 396 | 559 | 629 | 823 | 1091 | 1441 | 1513 | 1900 | 3834 | 2763 | 2278 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 8:14PM4.33m | 8:38AM4.28m | 8:59PM4.34m | 9:25AM4.13m | 9:46PM4.25m | 10:15AM3.89m | ||||||||||||||||||
Low Tide | 2:11PM0.09m | 2:34AM0.03m | 2:54PM0.15m | 3:22AM0.07m | 3:40PM0.29m | 4:13AM0.22m | ||||||||||||||||||
 | |  |  | | | |  | | | | | | |  |  | | | | |  |  | | | |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — |
 | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — | — | — | — | — | 9:14 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 3 | 4 | 4 | — | 2 | — | — | — | 1 | 2 | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
2 | 3 | 2 | 3 | 3 | 6 | 6 | 5 | 5 | 5 | 3 | 2 | 6 | 6 | 4 | 4 | 3 | 2 | 3 | 5 | 5 | 6 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | NNW 4 | SW 12 | SW 12 | SW 12 | W 11 | WSW 7 | WSW 7 | S 12 | WSW 10 | W 10 | W 10 | S 19 | SW 19 | SW 19 | W 15 | W 15 | W 14 | — | S 17 | WSW 16 | WSW 14 | WSW 13 | — | — |
 kJ | 1 | 6 | 6 | 6 | 22 | 281 | 244 | 3 | 19 | 8 | 2 | 7 | 14 | 14 | 4 | 4 | 4 | — | 6 | 441 | 1095 | 3834 | — | — |
Swell 2 Height (m) Direction Period (s) | SW 12 | — | — | S 12 | SW 12 | W 11 | — | S 12 | — | S 12 | SW 19 | — | — | W 15 | S 18 | SW 18 | W 18 | — | — | — | — | — | — | — |
| kJ | 6 | — | — | 3 | 6 | 21 | — | 3 | — | 3 | 15 | — | — | 4 | 7 | 12 | 6 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 12 | — | — | — | S 12 | — | — | — | — | S 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | — | — | — | 3 | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 5 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | WSW 9 | WSW 10 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 103 | 165 | 289 | 326 | 335 | 474 | 345 | 186 | 123 | 124 | 208 | 361 | 384 | 396 | 559 | 629 | 823 | 1091 | 1441 | 1513 | 1900 | 2934 | 2763 | 2278 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 380 | 380 | 323 | 323 | 117 | 117 | 117 | 117 | 138 | 324 | 336 | 306 | 304 | 117 | 354 | 354 | 354 | 377 | 377 | 382 | 382 | 353 | 323 | 323 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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