Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 6s period with NNW swell.
- Evening surf: Evening surf (20 Aug, local time) - 5.5ft (1.7m), 6s period with NNW swell.
The current surf forecast for Machir Bay (Islay) at 11PM is: 1.7m 6s primary swell from a North-northwest direction and 0.6m 9s secondary swell from a West direction, 0.1m 15s secondary swell from a West direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 5ft (1.6m) | 6s |
| Evening (20 Aug) | 5.5ft (1.7m) | 6s |
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 Thu afternoon). Winds decreasing (fresh winds from the N on Thu night, light winds from the W by Sat night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 4 | NW 5 | WSW 9 | WSW 9 | WSW 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 190 | 213 | 255 | 213 | 158 | 124 | 128 | 108 | 80 | 90 | 90 | 59 | 44 | 27 | 19 | 14 | 15 | 15 | 16 |
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 | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:16PM1.87m | 11:57AM1.83m | 00:40AM1.69m | 2:08PM1.77m | |||||||||||||||
Low Tide | 5:19PM0.95m | 5:47AM1.03m | 6:44PM1.13m | 7:25AM1.12m | 8:40PM1.15m | ||||||||||||||
 | |  |  | |  | | | | | | | |  | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 8:51 | — | — | — | — | — | — | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 14 | 13 |
Feels °C | 7 | 6 | 5 | 6 | 7 | 6 | 6 | 6 | 7 | 6 | 7 | 7 | 7 | 7 | 10 | 11 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 9 | W 7 | WNW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 83 | 60 | 56 | 54 | 35 | 33 | 33 | 19 | 18 | 18 | 7 | 9 | 9 | 7 | 14 | 14 | 15 | 15 | 16 |
Swell 2 Height (m) Direction Period (s) | W 16 | W 15 | W 15 | W 15 | W 15 | W 15 | W 15 | W 17 | W 17 | W 16 | WNW 8 | WSW 8 | WSW 8 | W 7 | WNW 6 | N 4 | W 6 | W 6 | WNW 6 |
| kJ | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 5 | 6 | 7 | 7 | 4 | 4 | 1 | 3 | 1 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 16 | W 10 | W 16 | W 7 | W 16 | W 16 | W 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 2 | 5 | 3 | 5 | 5 | 2 |
Wind waves Height (m) Direction Period (s) | 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 4 | NW 5 | NW 5 | NW 4 | NW 5 |
| kJ | 190 | 213 | 255 | 213 | 158 | 124 | 128 | 108 | 80 | 90 | 90 | 59 | 44 | 27 | 19 | 11 | 11 | 6 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1140 | 330 | 228 | 236 | 247 | 228 | 482 | 482 | 228 | 228 | 228 | 228 | 231 | 236 | 236 | 236 | 236 | 236 | 231 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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