Surf Forecasts:
How big are the waves at Mill Bay today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 1ft (0.3m), 8s period with N swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 8s period with NW swell.
- Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.3m), 8s period with NW swell.
The current surf forecast for Mill Bay at 4AM is: 0.3m 8s primary swell from a North direction and 0.1m 5s secondary swell from a Northeast direction (forecast issued at 12:00am July 21). An open ocean swell of 0.7m 3s 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 Jul) | 1ft (0.3m) | 8s |
| Afternoon (21 Jul) | 4.5ft (1.3m) | 8s |
| Evening (21 Jul) | 4.5ft (1.3m) | 8s |
Table - waves today at Mill Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Wed afternoon, min 11°C on Mon night). Winds decreasing (strong winds from the WNW on Tue morning, light winds from the NW by Wed morning). | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 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) | N 8 | N 8 | N 8 | N 8 | NW 7 | NW 8 | NW 8 | NW 8 | NW 7 | NNW 7 | NW 8 | NW 8 | NW 8 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 12 | 12 | 12 | 12 | 167 | 221 | 233 | 178 | 112 | 83 | 57 | 34 | 34 | 24 | 22 | 23 | 23 | 14 | 14 | 7 | 7 | 7 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | 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 |
High Tide | 4:00AM2.31m | 4:45PM2.00m | 4:55AM2.12m | 5:39PM1.93m | 6:00AM1.97m | 6:42PM1.91m | ||||||||||||||||||
Low Tide | 10:18AM0.56m | 10:27PM0.85m | 11:14AM0.77m | 11:38PM0.95m | 12:22PM0.91m | |||||||||||||||||||
 |  |  |  |  | | | | |  | | | | | | | | | | | | | | | |
 | — | 4:31 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 10:00 | — | — | — | — | — | — | 9:58 | — | — | — | — | — | — | — | 9:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 13 |
Feels °C | 8 | 5 | 4 | 3 | 3 | 5 | 4 | 5 | 7 | 7 | 8 | 9 | 9 | 9 | 10 | 7 | 8 | 9 | 7 | 6 | 6 | 7 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NW 8 | NW 8 | N 6 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 |
| kJ | 12 | 12 | 12 | 12 | 5 | 5 | 5 | 5 | 5 | 1 | 57 | 34 | 16 | 21 | 22 | 23 | 23 | 14 | 14 | 7 | 7 | 7 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 5 | NE 5 | — | — | — | W 10 | — | N 8 | N 8 | N 6 | N 6 | NW 8 | NW 8 | NW 8 | NW 8 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 6 | NE 5 |
| kJ | 1 | 1 | 1 | — | — | — | 2 | — | 1 | 1 | 15 | 9 | 34 | 24 | 17 | 17 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | N 7 | N 7 | NE 6 | NE 5 | NE 5 | NE 5 | NW 8 | ENE 5 | NW 8 | — | E 8 | N 6 | N 6 | N 6 |
| kJ | 2 | 2 | 2 | — | — | — | — | — | — | — | 4 | 4 | 2 | 1 | 1 | 1 | 3 | 2 | 2 | — | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 3 | WNW 4 | WNW 5 | NW 7 | NW 8 | NW 8 | NW 8 | NW 7 | NNW 7 | NNW 6 | NNW 6 | — | NW 2 | WNW 2 | NW 3 | WNW 8 | WNW 8 | WNW 4 | W 4 | W 4 | W 4 | W 4 | W 4 |
| kJ | 44 | 10 | 24 | 59 | 167 | 221 | 233 | 178 | 112 | 83 | 18 | 10 | — | 1 | 1 | 2 | 25 | 35 | 13 | 18 | 35 | 42 | 44 | 42 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 458 | 462 | 859 | 890 | 1085 | 1085 | 651 | 651 | 651 | 403 | 363 | 375 | 463 | 528 | 528 | 462 | 138 | 66 | 116 | 462 | 985 | 530 | 464 | 66 |
Best forecast wave conditions in Orkney Islands | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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