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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 Thursday 21 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
11.6° 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: 1.7m 8s primary swell from a Southwest direction and 0.6m 11s secondary swell from a West direction, 0.1m 16s secondary swell from a Southwest direction (forecast issued at 06:00am May 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 6ft (1.8m) | 7s |
| Afternoon (21 May) | 5ft (1.6m) | 8s |
| Evening (21 May) | 4.5ft (1.4m) | 9s |
Table - waves today at Marloes Sands. (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 night, min 13°C on Thu night). Winds decreasing (fresh winds from the SE on Thu night, calm by Sat night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 7 | 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 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | |
278 | 346 | 318 | 346 | 322 | 349 | 353 | 415 | 507 | 640 | 634 | 634 | 595 | 480 | 418 | 360 | 353 | 302 | 281 | 235 | 226 | 168 | 168 | 136 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | on | cross-on | cross | glassy | glassy | |
High Tide | 10:23AM5.25m | 10:48PM5.41m | 11:22AM4.86m | 11:50PM5.07m | 12:29PM4.54m | 00:59AM4.81m | ||||||||||||||||||
Low Tide | 4:27AM0.52m | 4:46PM0.87m | 5:26AM0.87m | 5:45PM1.21m | 6:31AM1.18m | 6:53PM1.47m | ||||||||||||||||||
 |  | |  |  | |  |  |  | | | | | | | | | | | | | | | | |
 | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | 5:16 |
 | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — | 9:19 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 15 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
6 | 8 | 10 | 11 | 12 | 12 | 13 | 10 | 9 | 10 | 10 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | W 11 | W 11 | SW 8 | SW 8 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 |
 kJ | 237 | 94 | 89 | 346 | 322 | 349 | 353 | 415 | 507 | 640 | 634 | 634 | 595 | 480 | 418 | 360 | 353 | 302 | 281 | 235 | 226 | 168 | 168 | 136 |
Swell 2 Height (m) Direction Period (s) | — | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | S 18 | S 18 | — | SSW 7 | S 7 | SSW 6 | S 6 | SW 16 | SW 13 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 |
| kJ | — | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | — | 15 | 22 | 13 | 7 | 10 | 7 | 8 | 19 | 20 | 32 | 32 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 18 | S 18 | — | — | — | SW 13 | SW 16 | SW 16 | SW 13 | SW 16 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 6 | — | — | — | 7 | 10 | 10 | 7 | 10 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 7 | SW 8 | — | — | — | — | — | — | ESE 3 | — | — | — | SSW 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | 278 | 346 | 318 | — | — | — | — | — | — | 2 | — | — | — | 35 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 101 | 101 | 112 | 65 | 65 | 64 | 24 | 65 | 65 | 65 | 65 | 65 | 76 | 10 | 24 | 24 | 10 | 10 | 13 | 24 | 24 | 24 | 0 | 0 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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