- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Caerfai Bay surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 12 am Thursday 21 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 6AM is: 1.8m 7s primary swell from a Southwest direction and 0.8m 11s secondary swell from a West-southwest direction, 0.1m 16s secondary swell from a Southwest direction (forecast issued at 12:00am May 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 5.5ft (1.7m) | 8s |
| Afternoon (21 May) | 5ft (1.6m) | 8s |
| Evening (21 May) | 5ft (1.5m) | 9s |
Table - waves today at Caerfai Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Very mild (max 17°C on Thu night, min 12°C on Wed night). Winds decreasing (fresh winds from the S on Wed night, calm by Sat morning). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 12 | WSW 12 | SW 7 | SW 8 | SW 8 | SW 8 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | |
1052 | 288 | 318 | 300 | 355 | 330 | 349 | 382 | 450 | 557 | 628 | 700 | 634 | 595 | 443 | 418 | 338 | 353 | 281 | 281 | 235 | 226 | 168 | 168 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | glassy | cross-on | cross-on | cross | cross | |
High Tide | 10:36PM4.07m | 11:07AM3.59m | 11:31PM3.84m | 12:05PM3.29m | 00:32AM3.60m | 1:12PM3.05m | ||||||||||||||||||
Low Tide | 5:09AM0.45m | 5:21PM0.75m | 6:11AM0.70m | 6:22PM0.98m | 7:22AM0.90m | 7:33PM1.16m | ||||||||||||||||||
 |  |  | |  |  | | |  | | | | | | |  | | | | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — | — | — | — | — | — | — | 9:17 | — |
— | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 15 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
5 | 5 | 8 | 9 | 10 | 11 | 12 | 13 | 10 | 9 | 10 | 11 | 11 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | W 11 | W 10 | SW 15 | SW 15 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 |
 kJ | 872 | 288 | 94 | 78 | 9 | 9 | 349 | 382 | 450 | 557 | 628 | 700 | 634 | 595 | 443 | 418 | 338 | 353 | 281 | 281 | 235 | 226 | 168 | 168 |
Swell 2 Height (m) Direction Period (s) | SW 16 | — | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | S 18 | S 18 | — | SSW 7 | SSW 6 | SSW 6 | S 6 | S 6 | SW 13 | SW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 10 | — | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | — | 34 | 23 | 22 | 7 | 6 | 7 | 8 | 19 | 20 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 18 | S 18 | — | — | — | SW 13 | SW 16 | SW 16 | SW 16 | S 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | 6 | — | — | — | 7 | 10 | 10 | 10 | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 12 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 8 | — | — | — | — | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1052 | 261 | 318 | 300 | 355 | 330 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 87 | 117 | 117 | 117 | 72 | 73 | 73 | 7 | 72 | 72 | 72 | 72 | 72 | 62 | 7 | 7 | 7 | 7 | 9 | 4 | 37 | 37 | 37 | 7 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Caerfai Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest