Surf Forecasts:
How big are the waves at Marloes Sands today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 5ft (1.6m), 7s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 7s period with WSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 9s period with WSW swell.
The current surf forecast for Marloes Sands at 2AM is: 1.6m 7s primary swell from a West-southwest direction and 0.3m 15s secondary swell from a Southwest direction (forecast issued at 06:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 5ft (1.6m) | 7s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 9s |
Table - waves today at Marloes Sands. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Very mild (max 18°C on Wed night, min 13°C on Thu night). Mainly fresh winds. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | WSW 5 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 73 | 188 | 310 | 276 | 276 | 397 | 204 | 114 | 82 | 140 | 90 | 82 | 59 | 40 | 39 | 22 | 23 | 17 | 17 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:39PM4.65m | 12:01PM4.42m | 00:30AM4.19m | 1:01PM4.06m | |||||||||||||||
Low Tide | 5:32PM1.34m | 5:54AM1.59m | 6:18PM1.76m | 6:46AM1.99m | 7:26PM2.11m | ||||||||||||||
 |  |  | |  |  | | | | |  |  | |  | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | 8:36 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:31 | — |
mm | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 14 | 13 | 14 | 15 | 15 |
Feels °C | 12 | 12 | 14 | 11 | 9 | 9 | 10 | 10 | 8 | 8 | 9 | 9 | 7 | 7 | 9 | 8 | 10 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 10 | 39 | 39 | 38 | 36 | 262 | 204 | 114 | 82 | 140 | 90 | 82 | 59 | 40 | 39 | 22 | 23 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSW 15 | SW 15 | W 9 | WSW 9 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SW 13 | SSW 13 | WNW 4 | SSW 13 |
| kJ | — | — | — | — | — | 21 | 8 | 42 | 59 | 33 | 33 | 32 | 30 | 18 | 7 | 7 | 17 | 3 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 14 | SW 14 | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SSW 13 | SW 16 |
| kJ | — | — | — | — | — | — | — | 21 | 33 | — | — | — | — | — | 10 | 10 | 10 | 17 | 10 |
Wind waves Height (m) Direction Period (s) | WSW 5 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | W 7 | NNW 4 | NNW 5 | N 5 | N 6 | N 6 | N 6 | N 5 | N 5 | N 5 | NNW 5 | NNW 5 | N 5 | N 5 |
| kJ | 73 | 188 | 310 | 276 | 276 | 397 | 14 | 30 | 78 | 137 | 83 | 60 | 77 | 69 | 57 | 48 | 37 | 25 | 43 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 399 | 95 | 307 | 354 | 132 | 78 | 36 | 137 | 376 | 78 | 73 | 73 | 65 | 65 | 65 | 175 | 235 | 64 | 180 |
Best forecast wave conditions in Wales - Pembrokeshire | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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