Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 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 11PM is: 1.2m 5s primary swell from a North-northwest direction and 0.3m 8s secondary swell from a West direction, 0.1m 16s secondary swell from a West direction (forecast issued at 06:00pm August 21). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 4.5ft (1.3m) | 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 16°C on Sat night, min 12°C on Fri afternoon). Winds decreasing (fresh winds from the NNW on Fri afternoon, light winds from the NW by Sat night). | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 4 | NW 4 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 6 | WNW 6 | WNW 6 | NW 6 | WNW 7 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 86 | 83 | 99 | 64 | 42 | 27 | 23 | 15 | 15 | 16 | 16 | 15 | 12 | 14 | 14 | 16 | 29 | 32 | 45 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off |
High Tide | 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 | |||||||||||||||
 | |  | |  |  | |  | | |  | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 6 | 5 | 7 | 7 | 8 | 7 | 7 | 9 | 10 | 11 | 12 | 13 | 14 | 13 | 12 | 13 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 7 | W 8 | WNW 7 | W 7 | WSW 8 | WSW 8 | NW 4 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 6 | WNW 6 | WNW 6 | NW 6 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 18 | 17 | 10 | 9 | 8 | 14 | 14 | 15 | 15 | 16 | 16 | 15 | 12 | 12 | 13 | 16 | 29 | 32 | 43 |
Swell 2 Height (m) Direction Period (s) | W 17 | W 16 | W 16 | WSW 8 | WSW 8 | WNW 7 | W 7 | WSW 8 | W 6 | W 16 | WNW 6 | WNW 6 | WSW 8 | WSW 8 | WSW 8 | WNW 9 | WNW 8 | W 8 | WNW 11 |
| kJ | 6 | 5 | 5 | 7 | 7 | 5 | 1 | 14 | 3 | 5 | 4 | 3 | 7 | 14 | 14 | 15 | 14 | 6 | 45 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 16 | W 16 | W 10 | W 16 | W 7 | — | — | W 10 | W 10 | W 9 | WNW 9 | WNW 9 | WSW 9 | WSW 9 | WNW 11 | WSW 8 |
| kJ | — | — | — | 5 | 5 | 2 | 5 | 3 | — | — | 2 | 2 | 7 | 8 | 8 | 8 | 8 | 12 | 7 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 4 | — | NW 5 | WNW 3 | WNW 4 | WNW 4 | — | WNW 6 | — | — | — | — | — |
| kJ | 86 | 83 | 99 | 64 | 42 | 27 | 23 | — | 11 | 7 | 5 | 4 | — | 11 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 228 | 228 | 228 | 228 | 228 | 231 | 236 | 228 | 231 | 231 | 234 | 124 | 234 | 234 | 246 | 71 | 86 | 76 | 0 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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