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Caerfai Bay surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 6 am 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 2PM is: 1.5m 7s primary swell from a West-southwest direction and 0.1m 12s secondary swell from a South direction, 0.1m 12s secondary swell from a South direction (forecast issued at 06:00am May 18). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.5m) | 7s |
| Afternoon (18 May) | 4.5ft (1.4m) | 6s |
| Evening (18 May) | 3.5ft (1.1m) | 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 14mm), heaviest on Mon night. Very mild (max 14°C on Wed night, min 9°C on Mon morning). Winds increasing (light winds from the SW on Mon morning, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 6 | WSW 6 | S 6 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | WSW 9 | WSW 11 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 | |
346 | 432 | 210 | 186 | 149 | 94 | 138 | 458 | 503 | 519 | 650 | 834 | 978 | 1266 | 1507 | 1802 | 2031 | 2789 | 2940 | 2679 | 2098 | 1614 | 1182 | 1058 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | on | cross-on | cross-on | cross-on | |
High Tide | 8:38AM4.28m | 8:59PM4.34m | 9:25AM4.13m | 9:46PM4.25m | 10:15AM3.89m | 10:36PM4.07m | ||||||||||||||||||
Low Tide | 2:54PM0.15m | 3:22AM0.07m | 3:40PM0.29m | 4:13AM0.22m | 4:28PM0.50m | |||||||||||||||||||
 |  | | |  | |  | | | |  |  | | |  | | | | | | |  | |  | |
 | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | 5:20 |
 | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:14 | — | 9:15 |
1 | 1 | 1 | 1 | — | 2 | 3 | 3 | 1 | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 |
3 | 5 | 5 | 4 | 5 | 4 | 2 | 4 | 6 | 5 | 5 | 4 | 3 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 7 | S 12 | S 12 | W 10 | WSW 6 | WSW 7 | SW 19 | S 19 | S 19 | W 15 | W 15 | SW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 14 | — | — | — | — | — | — | SW 16 |
 kJ | 6 | 281 | 3 | 3 | 8 | 94 | 107 | 15 | 7 | 7 | 4 | 4 | 12 | 30 | 157 | 424 | 721 | — | — | — | — | — | — | 10 |
Swell 2 Height (m) Direction Period (s) | — | W 11 | S 12 | S 12 | — | W 10 | W 10 | — | — | W 15 | S 18 | — | W 14 | W 13 | S 17 | — | — | — | — | — | — | — | — | — |
| kJ | — | 22 | 3 | 3 | — | 17 | 2 | — | — | 4 | 7 | — | 4 | 3 | 6 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | S 12 | — | — | — | S 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 6 | S 5 | S 6 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | WSW 9 | WSW 11 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 |
| kJ | 346 | 432 | 210 | 186 | 149 | 43 | 138 | 458 | 503 | 519 | 650 | 834 | 978 | 1266 | 1507 | 1802 | 2031 | 2789 | 2940 | 2679 | 2098 | 1614 | 1182 | 1058 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 117 | 117 | 117 | 304 | 117 | 324 | 304 | 336 | 336 | 348 | 366 | 354 | 354 | 409 | 348 | 354 | 354 | 371 | 332 | 353 | 336 | 149 | 87 | 87 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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