Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 5.5ft (1.7m), 10s period with W swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 5.5ft (1.7m), 9s period with W swell.
- Evening surf: Evening surf (11 Sep, local time) - 5ft (1.6m), 9s period with W swell.
The current surf forecast for Machir Bay (Islay) at 9PM is: 1.6m 9s primary swell from a West direction and 0.6m 12s secondary swell from a West-northwest direction, 0.3m 2s secondary swell from a South direction (forecast issued at 12:00pm September 11). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 5.5ft (1.7m) | 10s |
| Afternoon (11 Sep) | 5.5ft (1.7m) | 9s |
| Evening (11 Sep) | 5ft (1.6m) | 9s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Fri night. Very mild (max 16°C on Sat morning, min 12°C on Fri night). Winds decreasing (strong winds from the SSE on Fri night, calm by Sun morning). | |||||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||
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 9 | W 9 | W 9 | W 9 | W 11 | W 13 | W 12 | W 11 | W 12 | W 12 | W 12 | W 12 | WNW 12 | W 11 | W 10 | W 10 | WNW 11 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 524 | 430 | 455 | 476 | 450 | 573 | 1226 | 1520 | 2116 | 1893 | 1731 | 1463 | 1227 | 995 | 762 | 573 | 506 | 353 | 269 | 258 | 214 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross | cross-off | cross-off |
High Tide | 6:37PM3.07m | 6:48AM2.78m | 7:10PM3.05m | 7:20AM2.80m | 7:41PM2.95m | ||||||||||||||||
Low Tide | 12:14PM-0.07m | 00:45AM0.07m | 12:50PM-0.11m | 1:17AM0.07m | 1:25PM-0.06m | ||||||||||||||||
 |  | | |  |  |  |  |  |  | | | | | | | | | | |  | |
 | 6:48 | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:50 | — |
mm | — | — | — | — | — | 4 | 6 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 14 | 12 | 13 | 15 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 14 | 15 |
Feels °C | 10 | 11 | 11 | 13 | 8 | 3 | 5 | 9 | 12 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | — | W 9 | W 9 | W 9 | W 9 | W 11 | W 13 | W 12 | WNW 12 | W 12 | W 12 | W 12 | W 12 | WNW 12 | W 11 | W 10 | W 10 | WNW 11 | WNW 10 | WNW 10 | WNW 10 |
| kJ | — | 430 | 455 | 476 | 450 | 573 | 1226 | 1520 | 1846 | 1893 | 1731 | 1463 | 1227 | 995 | 762 | 573 | 506 | 353 | 269 | 258 | 214 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WNW 12 | WNW 12 | WNW 14 | — | — | SSE 5 | SSE 5 | SSE 5 | — | — | — | — | — | — | WSW 10 | WSW 9 | WSW 9 | WSW 9 |
| kJ | — | — | — | 57 | 155 | 308 | — | — | 17 | 2 | 5 | — | — | — | — | — | — | 98 | 90 | 65 | 49 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 10 | — | — | — | S 2 | S 4 | S 4 | S 5 | W 11 | — | — | — | — | — | — | — | — | — | — | SE 2 | SSE 3 |
| kJ | 524 | — | — | — | 1 | 17 | 36 | 36 | 2116 | — | — | — | — | — | — | — | — | — | — | 1 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 65 | 61 | 63 | 14 | 61 | 66 | 333 | 455 | 65 | 244 | 72 | 81 | 81 | 69 | 65 | 65 | 0 | 14 | 8 | 52 | 61 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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