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Caerfai Bay surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 6 pm Monday 18 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 10PM is: 1.8m 6s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a West direction (forecast issued at 06:00pm May 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 4.5ft (1.4m) | 6s |
| Evening (18 May) | 6ft (1.8m) | 6s |
Table - waves today at Caerfai Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 15°C on Thu morning, min 11°C on Mon afternoon). Winds decreasing (strong winds from the S on Mon night, moderate winds from the SSW by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 6 | WSW 6 | SSW 6 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | WSW 9 | WSW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 7 | SW 7 | SW 9 | |
149 | 94 | 239 | 529 | 503 | 441 | 598 | 659 | 808 | 1033 | 1441 | 1781 | 2340 | 3148 | 2800 | 2196 | 1805 | 1854 | 1080 | 929 | 963 | 262 | 303 | 362 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:59PM4.34m | 9:25AM4.13m | 9:46PM4.25m | 10:15AM3.89m | 10:36PM4.07m | 11:07AM3.59m | ||||||||||||||||||
Low Tide | 2:54PM0.15m | 3:22AM0.07m | 3:40PM0.29m | 4:13AM0.22m | 4:28PM0.50m | 5:09AM0.45m | ||||||||||||||||||
 |  |  | | | |  | | |  |  |  |  | |  | | | | | | | | | | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — |
 | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:14 | — | — | — | — | — | 9:15 |
— | 3 | 3 | 3 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 13 | 14 | 14 | 15 | 15 |
5 | 4 | 2 | 3 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 7 | 8 | 10 | 7 | 8 | 9 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | W 10 | WSW 6 | W 10 | SW 19 | SW 19 | S 19 | W 15 | W 15 | SW 18 | W 13 | — | — | WSW 14 | — | — | — | — | WSW 12 | WSW 12 | SW 16 | SW 16 | WSW 11 | SW 16 | SW 15 |
 kJ | 8 | 94 | 2 | 15 | 14 | 7 | 4 | 4 | 12 | 3 | — | — | 1065 | — | — | — | — | 1854 | 1080 | 10 | 10 | 126 | 9 | 9 |
Swell 2 Height (m) Direction Period (s) | — | W 10 | — | — | — | W 15 | S 18 | SW 18 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 15 | SW 15 |
| kJ | — | 17 | — | — | — | 4 | 7 | 13 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | S 12 | SW 19 | — | — | — | S 13 | — | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 15 | — | — | — | 4 | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | S 5 | SSW 6 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | WSW 9 | WSW 10 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | — | SW 12 | SW 12 | SW 7 | SW 7 | SW 9 |
| kJ | 149 | 43 | 239 | 529 | 503 | 441 | 598 | 659 | 808 | 1033 | 1441 | 1781 | 2340 | 3148 | 2800 | 2196 | 1805 | 1500 | — | 929 | 963 | 262 | 303 | 362 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 117 | 324 | 336 | 336 | 354 | 354 | 366 | 354 | 354 | 354 | 354 | 348 | 382 | 371 | 371 | 383 | 185 | 149 | 87 | 87 | 117 | 87 | 112 | 72 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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