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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 6 am Sunday 17 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 10AM is: 1.2m 6s primary swell from a West direction and 0.3m 12s secondary swell from a West direction, 0.1m 12s secondary swell from a Southwest direction (forecast issued at 06:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4ft (1.2m) | 6s |
| Afternoon (17 May) | 4.5ft (1.3m) | 5s |
| Evening (17 May) | 5ft (1.6m) | 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 20mm), heaviest during Mon night. Very mild (max 13°C on Tue night, min 9°C on Sun afternoon). Winds increasing (calm on Mon morning, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 6 | W 6 | W 6 | WSW 6 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | SW 6 | WSW 6 | S 5 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | |
115 | 106 | 104 | 80 | 117 | 154 | 182 | 214 | 195 | 171 | 125 | 85 | 69 | 64 | 40 | 134 | 244 | 220 | 292 | 389 | 515 | 558 | 588 | 823 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | on | on | on | on | on | |
High Tide | 7:07AM6.09m | 7:29PM6.15m | 7:53AM6.09m | 8:15PM6.15m | 8:41AM5.93m | 9:03PM6.01m | ||||||||||||||||||
Low Tide | 1:32PM0.04m | 1:56AM-0.03m | 2:17PM0.08m | 2:43AM0.02m | 3:04PM0.26m | |||||||||||||||||||
 |  |  | | | |  | |  |  | | | | | | | |  | | |  | | | | |
 | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | 5:20 |
 | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:12 | — | 9:13 |
— | — | 1 | — | 1 | 1 | 1 | 1 | 2 | — | — | — | — | — | 2 | 4 | 5 | 1 | — | — | — | — | — | 1 | |
Temp °C | 10 | 10 | 10 | 11 | 9 | 10 | 9 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
4 | 4 | 4 | 5 | 2 | 3 | 2 | 4 | 4 | 6 | 8 | 7 | 6 | 6 | 4 | 3 | 5 | 6 | 7 | 4 | 4 | 5 | 4 | 5 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 14 | W 12 | WSW 12 | S 12 | SW 12 | S 12 | WSW 11 | WSW 11 | WSW 7 | WSW 7 | WSW 6 | W 10 | W 10 | WSW 6 | W 10 | SW 19 | SW 19 | SW 19 | W 15 | W 14 | W 18 | WSW 17 | WSW 16 |
 kJ | 14 | 16 | 26 | 48 | 3 | 6 | 3 | 25 | 24 | 171 | 125 | 85 | 17 | 8 | 40 | 8 | 14 | 14 | 14 | 4 | 4 | 6 | 28 | 198 |
Swell 2 Height (m) Direction Period (s) | SW 13 | W 12 | SW 12 | NNW 4 | SW 12 | — | S 12 | S 12 | S 12 | WSW 11 | — | WSW 10 | — | S 12 | W 10 | S 19 | SW 19 | — | W 15 | SW 18 | SW 18 | W 18 | W 13 | S 18 |
| kJ | 6 | 11 | 6 | 3 | 6 | — | 3 | 3 | 3 | 24 | — | 20 | — | 3 | 8 | 7 | 14 | — | 4 | 12 | 12 | 6 | 3 | 6 |
Swell 3 Height (m) Direction Period (s) | — | SW 12 | NNW 4 | SW 12 | — | — | — | — | — | SW 12 | S 12 | S 12 | — | — | S 12 | S 13 | — | W 15 | — | S 13 | — | SW 18 | SW 18 | — |
| kJ | — | 6 | 3 | 6 | — | — | — | — | — | 6 | 3 | 3 | — | — | 3 | 3 | — | 4 | — | 3 | — | 12 | 12 | — |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WSW 6 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | — | — | — | WSW 6 | SW 6 | S 4 | S 5 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 |
| kJ | 115 | 106 | 104 | 80 | 117 | 154 | 182 | 214 | 195 | — | — | — | 69 | 64 | 21 | 134 | 244 | 220 | 292 | 389 | 515 | 558 | 588 | 823 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 195 | 84 | 376 | 399 | 398 | 413 | 263 | 329 | 132 | 24 | 0 | 131 | 131 | 101 | 329 | 400 | 341 | 338 | 392 | 425 | 418 | 329 | 354 | 354 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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