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Caerfai Bay surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 12 am 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 8AM is: 1.2m 6s primary swell from a West direction and 0.2m 14s secondary swell from a West direction, 0.2m 12s secondary swell from a West direction (forecast issued at 12:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.1m) | 6s |
| Afternoon (17 May) | 4.5ft (1.3m) | 5s |
| Evening (17 May) | 5ft (1.6m) | 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 15mm), heaviest on Mon night. Very mild (max 12°C on Sat night, min 9°C on Sun afternoon). Mainly strong winds. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 6 | W 6 | W 6 | WSW 6 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 5 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | |
123 | 115 | 112 | 92 | 87 | 121 | 154 | 205 | 194 | 181 | 176 | 145 | 80 | 62 | 56 | 60 | 41 | 179 | 184 | 267 | 524 | 585 | 573 | 588 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | on | on | on | on | on | on | |
High Tide | 7:51AM4.30m | 8:14PM4.33m | 8:38AM4.28m | 8:59PM4.34m | 9:25AM4.13m | 9:46PM4.25m | ||||||||||||||||||
Low Tide | 1:48AM0.11m | 2:11PM0.09m | 2:34AM0.03m | 2:54PM0.15m | 3:22AM0.07m | 3:40PM0.29m | ||||||||||||||||||
 |  |  |  | | |  |  | |  |  | | | | | | | | | | | |  | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — |
— | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | 2 | 2 | 4 | — | 1 | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
3 | 4 | 4 | 4 | 3 | 2 | 3 | 3 | 3 | 3 | 6 | 7 | 8 | 6 | 6 | 5 | 3 | 6 | 6 | 5 | 4 | 4 | 6 | 5 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 13 | W 14 | NNW 4 | NNW 4 | S 12 | SW 12 | S 12 | WSW 11 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | W 10 | W 10 | SW 5 | W 9 | SW 19 | W 15 | W 15 | W 14 | W 13 | WSW 17 |
 kJ | 3 | 14 | 16 | 3 | 3 | 3 | 6 | 3 | 24 | 181 | 176 | 145 | 80 | 62 | 8 | 8 | 41 | 7 | 14 | 4 | 4 | 4 | 4 | 54 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | W 12 | W 12 | SW 12 | SW 12 | — | — | S 12 | WSW 11 | W 11 | — | W 10 | W 10 | S 12 | S 12 | W 9 | SW 19 | S 13 | S 18 | SW 18 | SW 18 | W 18 | W 13 |
| kJ | 7 | 6 | 11 | 26 | 6 | 6 | — | — | 3 | 24 | 21 | — | 18 | 18 | 3 | 3 | 7 | 14 | 3 | 7 | 12 | 12 | 6 | 14 |
Swell 3 Height (m) Direction Period (s) | — | SW 13 | SW 12 | SW 12 | — | — | — | — | — | S 12 | SW 12 | S 12 | S 12 | — | — | — | SW 19 | S 13 | W 15 | S 13 | S 13 | S 13 | SW 18 | SW 17 |
| kJ | — | 6 | 6 | 6 | — | — | — | — | — | 3 | 6 | 3 | 3 | — | — | — | 15 | 3 | 4 | 3 | 3 | 3 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | WSW 6 | W 6 | W 6 | WSW 6 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | — | — | — | — | — | SW 6 | SW 6 | SSE 4 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 |
| kJ | 123 | 115 | 112 | 92 | 87 | 121 | 154 | 205 | 194 | — | — | — | — | — | 56 | 60 | 36 | 179 | 184 | 267 | 524 | 585 | 573 | 588 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 382 | 44 | 85 | 382 | 382 | 380 | 329 | 293 | 117 | 114 | 37 | 37 | 149 | 149 | 138 | 138 | 145 | 354 | 354 | 354 | 400 | 407 | 354 | 371 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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