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Surf Forecasts:
Caerfai Bay surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 6 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
11.5° 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 12PM is: 2.5m 13s primary swell from a West-southwest direction (forecast issued at 06:00am 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 ForecastMostly dry. Very mild (max 17°C on Thu afternoon, min 12°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed morning, light winds from the SSE by Fri night). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 7 | SW 7 | SW 8 | SW 8 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | |
2479 | 3331 | 2757 | 2196 | 2239 | 1412 | 1080 | 929 | 963 | 292 | 262 | 308 | 346 | 365 | 407 | 450 | 486 | 604 | 622 | 634 | 595 | 443 | 418 | 367 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross | |
High Tide | 10:15AM3.89m | 10:36PM4.07m | 11:07AM3.59m | 11:31PM3.84m | 12:05PM3.29m | 00:32AM3.60m | ||||||||||||||||||
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 | — | — | — | — | — | — | 5:16 |
 | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — | 9:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 17 | 15 | 14 | 13 | 14 | 15 | 15 | 15 | 15 | 15 |
5 | 3 | 6 | 7 | 7 | 9 | 8 | 7 | 7 | 9 | 9 | 10 | 12 | 13 | 13 | 10 | 9 | 9 | 11 | 12 | 13 | 13 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | — | — | — | WSW 13 | WSW 12 | WSW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 8 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 |
 kJ | 1106 | — | — | — | 2239 | 1412 | 1080 | 10 | 10 | 10 | 9 | 9 | 346 | 365 | 407 | 450 | 486 | 604 | 622 | 634 | 595 | 443 | 418 | 367 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | S 18 | SW 15 | — | SSW 7 | S 6 | SSW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 6 | 8 | — | 15 | 22 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | S 18 | S 18 | S 18 | — | — | SW 13 | SW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 6 | 6 | 6 | — | — | 7 | 10 |
Wind waves Height (m) Direction Period (s) | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | — | — | SW 12 | SW 12 | SW 7 | SW 7 | SW 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2479 | 3331 | 2757 | 2196 | 1805 | — | — | 929 | 963 | 292 | 262 | 308 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 354 | 371 | 179 | 323 | 149 | 149 | 72 | 87 | 87 | 112 | 112 | 72 | 73 | 72 | 7 | 62 | 72 | 72 | 72 | 62 | 74 | 7 | 7 | 4 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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