Surf Forecasts:
How big are the waves at Marloes Sands today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 5ft (1.5m), 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 4AM is: 1.7m 7s primary swell from a West-southwest direction and 0.3m 15s secondary swell from a Southwest direction (forecast issued at 12:00am August 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 5ft (1.5m) | 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. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | 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 | SSW 13 | WSW 8 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 276 | 310 | 262 | 198 | 131 | 79 | 140 | 113 | 82 | 59 | 39 | 37 | 22 | 22 | 17 | 17 | 17 | 13 | 37 | 34 | 34 | 34 | 34 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | 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 | off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 11:39PM4.65m | 12:01PM4.42m | 00:30AM4.19m | 1:01PM4.06m | 1:43AM3.87m | 2:28PM3.87m | ||||||||||||||||||
Low Tide | 5:54AM1.59m | 6:18PM1.76m | 6:46AM1.99m | 7:26PM2.11m | 8:08AM2.24m | 9:10PM2.22m | ||||||||||||||||||
 |  |  |  | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:30 | — |
mm | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 11 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 8 | 9 | 11 | 11 | 11 | 9 | 8 | 11 | 10 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SSW 15 | 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 | WSW 8 | WSW 8 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 |
| kJ | 38 | 36 | 21 | 198 | 131 | 79 | 140 | 113 | 82 | 59 | 39 | 37 | 22 | 22 | 14 | 14 | 14 | 13 | 19 | 18 | 18 | 18 | 17 | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 15 | SW 15 | SSW 14 | W 9 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SW 13 | SSW 13 | WNW 4 | SSW 13 | SSW 13 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | — | — | 21 | 8 | 21 | 55 | 33 | 33 | 32 | 30 | 18 | 7 | 7 | 17 | 3 | 17 | 17 | 10 | 37 | 34 | 34 | 34 | 34 | 34 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 14 | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SSW 13 | SW 16 | SW 16 | SW 13 | — | SW 15 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | — | — | — | — | — | 33 | — | — | — | — | — | 10 | 10 | 10 | 17 | 10 | 10 | 7 | — | 34 | 6 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | W 7 | NNW 4 | NNW 4 | N 5 | N 6 | N 6 | N 6 | N 5 | N 5 | N 6 | N 6 | NNW 6 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 | N 4 | N 4 | N 5 |
| kJ | 276 | 310 | 262 | 15 | 29 | 47 | 89 | 62 | 39 | 50 | 70 | 74 | 77 | 50 | 25 | 24 | 41 | 60 | 49 | 30 | 21 | 21 | 11 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 132 | 132 | 26 | 442 | 76 | 691 | 376 | 73 | 65 | 65 | 66 | 65 | 85 | 235 | 137 | 180 | 13 | 92 | 64 | 0 | 13 | 128 | 104 | 13 |
Best forecast wave conditions in Wales - Pembrokeshire | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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