Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.3m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 5s period with NNW swell.
- Evening surf: Evening surf (21 Aug, local time) - 4.5ft (1.3m), 5s period with NNW swell.
The current surf forecast for Machir Bay (Islay) at 11AM is: 1.3m 6s primary swell from a North-northwest direction and 0.5m 8s secondary swell from a West direction, 0.1m 15s secondary swell from a West 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 (1.3m) | 6s |
| Afternoon (21 Aug) | 4ft (1.2m) | 5s |
| Evening (21 Aug) | 4.5ft (1.3m) | 5s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 13°C on Fri morning). Winds decreasing (fresh winds from the N on Fri morning, calm by Sun afternoon). | |||||||||||||||||||||||
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) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | NW 5 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 108 | 104 | 108 | 104 | 69 | 83 | 83 | 83 | 59 | 36 | 22 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 19 | 33 | 40 | 40 | 56 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | glassy | glassy |
High Tide | 11:57AM1.83m | 00:40AM1.69m | 2:08PM1.77m | 2:59AM1.71m | 3:49PM1.91m | ||||||||||||||||||
Low Tide | 6:44PM1.13m | 7:25AM1.12m | 8:40PM1.15m | 9:09AM1.04m | |||||||||||||||||||
 |  |  | | | | | |  |  | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 7 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 11 | 12 | 12 | 12 | 11 | 12 | 13 | 11 | 12 | 13 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | WNW 8 | W 8 | W 8 | WNW 7 | WSW 9 | WNW 7 | W 7 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 6 | WNW 6 | WSW 8 | WNW 6 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 35 | 34 | 33 | 20 | 18 | 18 | 10 | 7 | 9 | 8 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 12 | 14 | 33 | 40 | 40 | 56 |
Swell 2 Height (m) Direction Period (s) | W 15 | W 15 | W 15 | W 17 | W 17 | W 16 | WSW 9 | W 16 | WSW 8 | WSW 8 | W 7 | N 4 | W 6 | W 16 | W 10 | W 10 | WSW 8 | WSW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | NW 11 |
| kJ | 4 | 4 | 4 | 6 | 6 | 5 | 7 | 5 | 7 | 7 | 4 | 1 | 3 | 5 | 2 | 2 | 13 | 14 | 8 | 14 | 14 | 12 | 29 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 16 | — | W 16 | W 10 | W 16 | W 7 | — | W 10 | W 15 | W 15 | W 9 | NW 5 | W 16 | WSW 9 | WSW 9 | WSW 8 | WSW 8 |
| kJ | — | — | — | — | — | — | 5 | — | 5 | 2 | 5 | 3 | — | 2 | 5 | 4 | 7 | 4 | 5 | 8 | 8 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | NW 5 | WNW 5 | WNW 5 | WNW 3 | WNW 4 | WNW 5 | — | WNW 6 | — | — | — | — |
| kJ | 108 | 104 | 108 | 104 | 69 | 83 | 83 | 83 | 59 | 36 | 22 | 11 | 9 | 9 | 4 | 7 | 8 | — | 19 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 236 | 247 | 228 | 236 | 228 | 228 | 228 | 228 | 228 | 234 | 231 | 228 | 228 | 234 | 234 | 246 | 234 | 234 | 71 | 71 | 71 | 0 | 0 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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