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Caerfai Bay surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 12 am Wednesday 20 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
11.4° 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: 3.0m 13s primary swell from a West-southwest direction (forecast issued at 12:00am May 20). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 10ft (3.0m) | 13s |
| Afternoon (20 May) | 8ft (2.5m) | 13s |
| Evening (20 May) | 6.5ft (2.0m) | 12s |
Table - waves today at Caerfai Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue night. Very mild (max 17°C on Thu night, min 12°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the S by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 9 | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 12 | WSW 12 | SW 7 | SW 7 | SW 8 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | |
1958 | 2479 | 3148 | 2757 | 2196 | 1805 | 1477 | 1080 | 929 | 361 | 301 | 262 | 300 | 342 | 373 | 384 | 459 | 496 | 580 | 622 | 622 | 584 | 452 | 435 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 10:15AM3.89m | 10:36PM4.07m | 11:07AM3.59m | 11:31PM3.84m | 12:05PM3.29m | |||||||||||||||||||
Low Tide | 4:13AM0.22m | 4:28PM0.50m | 5:09AM0.45m | 5:21PM0.75m | 6:11AM0.70m | 6:22PM0.98m | ||||||||||||||||||
 | |  |  |  | | |  |  | | | | | | | | | | | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 17 | 15 | 14 | 13 | 14 | 14 | 15 | 15 | 15 |
4 | 5 | 4 | 6 | 6 | 7 | 9 | 9 | 7 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 9 | 9 | 9 | 11 | 11 | 13 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 14 | — | — | — | — | WSW 12 | WSW 12 | SW 16 | WSW 12 | SW 16 | SW 16 | SW 15 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 |
 kJ | 554 | 1106 | — | — | — | — | 1477 | 1080 | 10 | 361 | 10 | 9 | 9 | 342 | 373 | 384 | 459 | 496 | 580 | 622 | 622 | 584 | 452 | 435 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | W 12 | SW 15 | S 18 | S 18 | S 6 | SSW 6 | SSW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 9 | 8 | 8 | 8 | 78 | 8 | 6 | 6 | 19 | 33 | 23 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | S 18 | — | — | SSW 14 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 6 | — | — | 19 | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | — | — | SW 12 | SSW 6 | SW 7 | SW 7 | SW 8 | — | — | — | SE 3 | — | — | — | — | — | — | — |
| kJ | 1958 | 2479 | 3148 | 2757 | 2196 | 1805 | — | — | 929 | 139 | 301 | 262 | 300 | — | — | — | 3 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 348 | 354 | 371 | 179 | 323 | 149 | 149 | 72 | 87 | 112 | 112 | 72 | 72 | 73 | 62 | 7 | 62 | 72 | 72 | 72 | 62 | 75 | 7 | 7 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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