Surf Forecasts:
How big are the waves at Mill Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 3ft (0.9m), 8s period with N swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 2.5ft (0.7m), 8s period with N swell.
- Evening surf: Evening surf (21 Sep, local time) - 2ft (0.6m), 8s period with N swell.
The current surf forecast for Mill Bay at 6AM is: 0.9m 7s primary swell from a North-northwest direction (forecast issued at 12:00am September 21). An open ocean swell of 0.5m 12s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 3ft (0.9m) | 8s |
| Afternoon (21 Sep) | 2.5ft (0.7m) | 8s |
| Evening (21 Sep) | 2ft (0.6m) | 8s |
Table - waves today at Mill Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 18°C on Mon night, min 10°C on Mon morning). Winds decreasing (strong winds from the WNW on Sun night, light winds from the W by Tue night). | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | NW 7 | NNW 7 | NNW 7 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NW 3 | NW 3 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 205 | 127 | 84 | 93 | 78 | 63 | 46 | 46 | 31 | 29 | 20 | 20 | 13 | 12 | 11 | 5 | 5 | 5 | 5 | 1 | 1 | 1 | 3 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross |
High Tide | 7:44AM1.77m | 7:53PM1.94m | 8:46AM1.89m | 8:46PM2.11m | 9:28AM2.03m | 9:26PM2.28m | ||||||||||||||||||
Low Tide | 1:28AM1.01m | 1:48PM1.13m | 2:32AM0.83m | 2:38PM0.96m | 3:12AM0.63m | 3:15PM0.79m | ||||||||||||||||||
 |  |  | |  | | |  | | |  | |  | | | | | | | | | | | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:07 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 11 | 11 | 10 | 12 | 15 | 15 | 18 | 17 | 17 | 16 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Feels °C | 4 | 7 | 9 | 5 | 3 | 7 | 12 | 14 | 15 | 12 | 13 | 11 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 9 |
Swell 1 Height (m) Direction Period (s) | S 7 | NNW 7 | NNW 7 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNE 8 | NNE 8 | S 4 | WNW 10 | WNW 5 | WNW 14 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | NW 12 |
| kJ | 1 | 127 | 84 | 93 | 78 | 63 | 46 | 46 | 31 | 29 | 20 | 20 | 8 | 20 | 2 | 82 | 196 | 279 | 268 | 229 | 246 | 151 | 149 | 149 |
Swell 2 Height (m) Direction Period (s) | S 7 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | NW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | NNE 8 | N 8 | NW 5 | SSE 5 | SSE 5 | S 5 | N 8 | N 8 | N 8 | NE 8 | N 8 |
| kJ | 1 | 93 | 86 | 56 | 56 | 35 | 25 | 23 | 23 | 22 | 21 | 21 | 35 | 12 | 11 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | NW 13 | — | S 7 | W 12 | W 11 | W 11 | W 11 | E 5 | W 10 | W 9 | N 9 | W 10 | NNE 8 | S 4 | WNW 10 | N 8 | N 8 | N 8 | N 8 | SE 4 | — | — | W 13 | N 8 |
| kJ | 7 | — | 1 | 3 | 3 | 2 | 2 | 1 | 2 | 2 | 15 | 2 | 13 | 3 | 10 | 5 | 5 | 5 | 5 | 1 | — | — | 13 | 1 |
Wind waves Height (m) Direction Period (s) | NW 7 | W 4 | WSW 3 | SSW 2 | S 4 | S 4 | S 4 | S 4 | SSE 4 | S 4 | S 4 | S 4 | W 3 | W 3 | — | — | — | — | — | WNW 2 | NW 2 | NW 3 | NW 3 | NW 3 |
| kJ | 205 | 10 | 4 | 1 | 12 | 28 | 16 | 7 | 4 | 13 | 20 | 22 | 2 | 1 | — | — | — | — | — | 1 | 1 | 2 | 3 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 66 | 63 | 0 | 67 | 64 | 24 | 64 | 63 | 24 | 64 | 64 | 63 | 65 | 65 | 65 | 65 | 65 | 63 | 63 | 66 | 65 | 464 | 65 | 65 |
Best forecast wave conditions in Orkney Islands | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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