Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5.5ft (1.7m), 8s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 7ft (2.1m), 10s period with W swell.
The current surf forecast for Machir Bay (Islay) at 9PM is: 2.1m 10s primary swell from a West direction and 1.9m 9s secondary swell from a West direction (forecast issued at 06:00pm August 18). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 5.5ft (1.7m) | 8s |
| Evening (18 Aug) | 7ft (2.1m) | 10s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Wed afternoon. Very mild (max 14°C on Tue afternoon, min 12°C on Thu night). Winds increasing (light winds from the E on Wed afternoon, fresh winds from the N by Thu night). | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 8 | W 9 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | NNW 6 | NNW 6 | NNW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 418 | 561 | 900 | 992 | 881 | 848 | 694 | 610 | 544 | 482 | 415 | 354 | 313 | 219 | 146 | 116 | 237 | 213 | 245 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 9:55PM2.36m | 10:08AM2.22m | 10:30PM2.10m | 10:51AM2.02m | |||||||||||||||
Low Tide | 3:45PM0.44m | 4:08AM0.66m | 4:26PM0.70m | 4:49AM0.85m | 5:19PM0.95m | ||||||||||||||
 |  |  |  | | | | | | |  | | |  |  | | | |  | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | 8:55 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:51 | — |
mm | — | 1 | — | 1 | 1 | 2 | 2 | 2 | 5 | 3 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 14 | 13 | 13 | 13 |
Feels °C | 8 | 9 | 10 | 10 | 8 | 9 | 9 | 9 | 11 | 12 | 11 | 11 | 10 | 9 | 10 | 10 | 5 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | W 16 | — | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 |
| kJ | 5 | — | 900 | 992 | 881 | 848 | 694 | 610 | 544 | 482 | 415 | 354 | 313 | 219 | 146 | 116 | 83 | 60 | 57 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 18 | W 17 | W 17 | W 17 | W 17 | W 17 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 |
| kJ | — | — | — | — | — | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 16 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 9 | — | — | — | — | — | S 3 | — | — | — | — | NE 3 | NNW 6 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 |
| kJ | 418 | 561 | — | — | — | — | — | 1 | — | — | — | — | 2 | 64 | 117 | 100 | 237 | 213 | 245 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 327 | 327 | 327 | 244 | 65 | 65 | 65 | 65 | 14 | 14 | 14 | 0 | 16 | 0 | 16 | 16 | 0 | 330 | 472 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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