Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.0m), 10s period with W swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 6s period with NNW swell.
- Evening surf: Evening surf (20 Aug, local time) - 6ft (1.8m), 6s period with NNW swell.
The current surf forecast for Machir Bay (Islay) at 11AM is: 1.3m 7s primary swell from a North-northwest direction and 0.8m 10s secondary swell from a West direction, 0.1m 16s secondary swell from a West direction (forecast issued at 06:00am August 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.0m) | 10s |
| Afternoon (20 Aug) | 5ft (1.6m) | 6s |
| Evening (20 Aug) | 6ft (1.8m) | 6s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 15°C on Sat morning, min 12°C on Thu night). Winds decreasing (strong winds from the N on Thu night, light winds from the NW by Fri night). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | W 10 | W 10 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | WSW 8 | NW 5 | WNW 5 | WNW 5 | WNW 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 313 | 219 | 153 | 151 | 255 | 220 | 290 | 220 | 151 | 104 | 104 | 83 | 64 | 64 | 80 | 69 | 40 | 22 | 15 | 14 | 15 | 20 | 22 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 10:51AM2.02m | 11:16PM1.87m | 11:57AM1.83m | 00:40AM1.69m | 2:08PM1.77m | ||||||||||||||||||
Low Tide | 4:49AM0.85m | 5:19PM0.95m | 5:47AM1.03m | 6:44PM1.13m | 7:25AM1.12m | 8:40PM1.15m | |||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | |  | | | |  | |
 | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:51 | — | — | — | — | — | — | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 15 | 14 | 14 | 14 | 14 |
Feels °C | 10 | 9 | 6 | 7 | 6 | 5 | 5 | 5 | 7 | 7 | 6 | 6 | 7 | 6 | 7 | 7 | 8 | 10 | 11 | 11 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 9 | WSW 8 | W 7 | W 7 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 313 | 219 | 146 | 87 | 83 | 60 | 57 | 54 | 35 | 33 | 33 | 19 | 18 | 18 | 7 | 7 | 8 | 8 | 14 | 14 | 15 | 16 | 15 |
Swell 2 Height (m) Direction Period (s) | W 16 | NNW 7 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | W 15 | W 15 | W 15 | W 17 | W 17 | W 16 | W 7 | W 16 | WSW 8 | WSW 8 | W 7 | WNW 7 | W 7 | W 16 | W 10 |
| kJ | 5 | 101 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 5 | 4 | 5 | 7 | 7 | 3 | 4 | 1 | 5 | 2 |
Swell 3 Height (m) Direction Period (s) | — | W 16 | W 16 | — | — | — | — | — | — | — | — | W 14 | — | — | W 16 | — | W 16 | W 10 | W 16 | N 4 | W 16 | — | W 15 |
| kJ | — | 5 | 5 | — | — | — | — | — | — | — | — | 4 | — | — | 5 | — | 5 | 2 | 5 | 1 | 5 | — | 5 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 3 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | NW 4 | NW 5 | WNW 5 | WNW 5 | WNW 5 |
| kJ | 2 | 1 | 153 | 151 | 255 | 220 | 290 | 220 | 151 | 104 | 104 | 83 | 64 | 64 | 80 | 69 | 40 | 22 | 15 | 11 | 15 | 20 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 309 | 330 | 495 | 1140 | 330 | 330 | 72 | 255 | 52 | 282 | 244 | 228 | 228 | 228 | 231 | 234 | 234 | 236 | 236 | 236 | 246 | 71 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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