Surf Forecasts:
How big are the waves at Mill Bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.4m), 7s period with N swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 7s period with N swell.
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.0m), 6s period with N swell.
The current surf forecast for Mill Bay at 1PM is: 1.3m 7s primary swell from a North direction and 0.4m 9s secondary swell from a Northeast direction (forecast issued at 06:00am August 21). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4.5ft (1.4m) | 7s |
| Afternoon (21 Aug) | 4.5ft (1.3m) | 7s |
| Evening (21 Aug) | 3.5ft (1.0m) | 6s |
Table - waves today at Mill Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Sat afternoon, min 10°C on Fri afternoon). Winds decreasing (fresh winds from the NNW on Fri afternoon, light winds from the SW by Sun night). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | N 7 | N 7 | N 7 | N 7 | N 7 | NNW 6 | N 6 | N 6 | NNW 6 | NNW 6 | N 6 | N 7 | N 7 | N 7 | N 7 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NW 7 | NW 8 | NW 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 246 | 199 | 173 | 158 | 158 | 77 | 73 | 76 | 60 | 48 | 53 | 44 | 34 | 34 | 24 | 16 | 12 | 11 | 11 | 5 | 19 | 21 | 23 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | 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 | off |
High Tide | 5:46PM1.83m | 6:42AM1.80m | 7:13PM1.85m | 8:10AM1.83m | 8:29PM1.96m | ||||||||||||||||||
Low Tide | 11:15AM1.10m | 00:12AM1.06m | 12:59PM1.15m | 1:53AM1.01m | 2:18PM1.06m | ||||||||||||||||||
 |  | | |  | | | | | | | | | | | | | | | | | | | |
 | 5:41 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:44 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:38 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 14 |
Feels °C | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 3 | 5 | 6 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 8 | NE 9 | NE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | N 6 | N 7 | N 7 | N 7 | N 7 | NNE 7 | NNE 8 | NNE 8 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 |
| kJ | 32 | 15 | 9 | 27 | 52 | 54 | 54 | 35 | 35 | 25 | 53 | 44 | 34 | 34 | 24 | 16 | 12 | 11 | 12 | 13 | 19 | 21 | 23 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 8 | W 8 | NE 9 | NNE 9 | — | W 7 | NE 9 | NE 8 | NE 8 | — | W 10 | NNW 5 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 |
| kJ | — | — | — | — | — | — | 1 | 1 | 22 | 8 | — | 1 | 12 | 3 | 3 | — | 2 | 5 | 11 | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NNE 8 | W 7 | W 7 | W 7 | — | W 7 | — | — | — | NW 8 | N 6 | N 6 | N 6 | NE 5 | NW 10 |
| kJ | — | — | — | — | — | — | — | — | 11 | 1 | 1 | 1 | — | 1 | — | — | — | 2 | 2 | 2 | 1 | 1 | 4 |
Wind waves Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | N 7 | NNW 6 | N 6 | N 6 | NNW 6 | NNW 6 | NNW 6 | W 2 | WNW 3 | W 3 | W 3 | WNW 3 | NW 5 | WNW 5 | WNW 3 | W 3 | WSW 3 | WSW 3 | WSW 3 |
| kJ | 246 | 199 | 173 | 158 | 158 | 77 | 73 | 76 | 60 | 48 | 28 | 1 | 3 | 1 | 4 | 6 | 8 | 5 | 1 | 1 | 1 | 1 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 310 | 256 | 256 | 310 | 310 | 138 | 138 | 138 | 124 | 124 | 138 | 138 | 168 | 168 | 168 | 99 | 106 | 102 | 106 | 63 | 63 | 63 | 63 |
Best forecast wave conditions in Orkney Islands | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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