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Marloes Sands Surf Forecast
/ Wales – Pembrokeshire (19 surf breaks) /
Surf Forecasts:
Marloes Sands surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 12 am Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
Marloes Sands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marloes Sands sea temperature is
11.4° C
(Which is normal for this time of year)How big are the waves at Marloes Sands today?
The current surf forecast for Marloes Sands at 5AM is: 1.9m 7s primary swell from a West-southwest direction and 0.1m 12s secondary swell from a South direction (forecast issued at 12:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.9m) | 7s |
| Afternoon (18 May) | 4.5ft (1.4m) | 6s |
| Evening (18 May) | 6ft (1.9m) | 6s |
Table - waves today at Marloes Sands. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon night. Very mild (max 13°C on Tue night, min 10°C on Sun night). Winds increasing (moderate winds from the W on Sun night, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 6 | WSW 6 | SSW 6 | SSW 7 | SSW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | WSW 9 | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 | SW 12 | |
302 | 346 | 487 | 302 | 180 | 149 | 87 | 272 | 483 | 504 | 469 | 604 | 604 | 886 | 1132 | 1343 | 1463 | 2102 | 2972 | 2679 | 2278 | 1748 | 1434 | 1180 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | 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 | |
High Tide | 7:53AM6.09m | 8:15PM6.15m | 8:41AM5.93m | 9:03PM6.01m | 9:30AM5.63m | 9:53PM5.75m | ||||||||||||||||||
Low Tide | 1:56AM-0.03m | 2:17PM0.08m | 2:43AM0.02m | 3:04PM0.26m | 3:33AM0.22m | 3:53PM0.53m | ||||||||||||||||||
 | |  | | |  | | | |  | |  |  | | |  |  | | | |  | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:13 | — |
1 | 1 | 2 | 2 | 1 | — | 2 | 2 | 3 | 3 | — | 1 | — | — | — | — | — | 3 | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 14 |
3 | 3 | 5 | 4 | 5 | 5 | 4 | 3 | 4 | 6 | 5 | 5 | 4 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 6 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | W 11 | S 12 | WSW 7 | WSW 7 | S 12 | W 10 | WSW 6 | — | SW 19 | S 19 | S 19 | W 15 | W 15 | SW 18 | WSW 18 | WSW 16 | WSW 16 | WSW 14 | — | — | — | — | — | SW 16 |
 kJ | 22 | 3 | 310 | 217 | 3 | 8 | 87 | — | 15 | 7 | 7 | 4 | 4 | 12 | 30 | 155 | 554 | 961 | — | — | — | — | — | 10 |
Swell 2 Height (m) Direction Period (s) | SW 12 | — | W 11 | — | S 12 | — | W 10 | SW 19 | — | — | W 15 | S 18 | SW 18 | W 14 | SW 18 | S 17 | — | — | — | — | — | — | — | — |
| kJ | 6 | — | 22 | — | 3 | — | 17 | 15 | — | — | 4 | 7 | 13 | 4 | 12 | 6 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | — | — | — | S 12 | SW 19 | — | — | — | — | — | — | W 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | — | — | — | 3 | 15 | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 6 | S 5 | SSW 6 | SSW 7 | SSW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | WSW 9 | WSW 11 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 | SW 12 |
| kJ | 302 | 346 | 487 | 302 | 180 | 149 | 60 | 272 | 483 | 504 | 469 | 604 | 604 | 886 | 1132 | 1343 | 1463 | 2102 | 2972 | 2679 | 2278 | 1748 | 1434 | 1180 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 329 | 132 | 132 | 132 | 313 | 101 | 320 | 339 | 341 | 341 | 101 | 381 | 369 | 369 | 421 | 354 | 369 | 354 | 354 | 354 | 354 | 341 | 131 | 96 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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