Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 11ft (3.5m), 10s period with W swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 15ft (4.5m), 13s period with W swell.
- Evening surf: Evening surf (17 Sep, local time) - 16ft (5.0m), 15s period with W swell.
The current surf forecast for Machir Bay (Islay) at 12AM is: 2.5m 9s primary swell from a West direction and 0.1m 8s secondary swell from a North direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 11ft (3.5m) | 10s |
| Afternoon (17 Sep) | 15ft (4.5m) | 13s |
| Evening (17 Sep) | 16ft (5.0m) | 15s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Wed night. Very mild (max 16°C on Fri afternoon, min 12°C on Fri morning). Mainly near gales. | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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 | WSW 9 | W 9 | W 9 | W 10 | W 11 | W 12 | W 14 | W 15 | W 15 | W 14 | W 14 | WNW 13 | WNW 13 | W 12 | W 12 | W 12 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 708 | 687 | 791 | 951 | 1050 | 1852 | 3181 | 5492 | 8885 | 11364 | 9571 | 8019 | 6826 | 5302 | 4258 | 2972 | 2216 | 2107 | 1860 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross | cross-on | on | cross-on |
High Tide | 9:10PM2.31m | 9:28AM2.28m | 9:42PM2.07m | 10:07AM2.06m | |||||||||||||||
Low Tide | 3:05PM0.50m | 3:17AM0.61m | 3:41PM0.75m | 3:51AM0.82m | 4:26PM1.00m | ||||||||||||||
 | |  |  |  | |  | |  |  | | |  | | | | | | | |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | 7:42 | — | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:36 | — |
mm | — | — | 3 | 1 | — | 1 | 1 | 1 | 1 | — | — | 1 | — | — | — | 2 | 2 | 1 | 1 |
Temp °C | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 14 | 16 | 15 |
Feels °C | 7 | 7 | 7 | 7 | 5 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 6 | 6 | 6 | 6 | 8 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | W 10 | N 8 | — | — | — | — | — | — | — | — | — | — | WNW 13 | WNW 13 | W 12 | W 12 | WNW 12 | WNW 11 |
| kJ | 667 | 687 | 1 | — | — | — | — | — | — | — | — | — | — | 5302 | 4258 | 2972 | 2216 | 2020 | 1752 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 5 | SE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 10 | — | WSW 9 | W 9 | W 9 | W 10 | W 11 | W 12 | W 14 | W 15 | W 15 | W 14 | W 14 | W 13 | W 13 | — | SSW 4 | W 12 | W 11 |
| kJ | 708 | — | 791 | 951 | 1050 | 1852 | 3181 | 5492 | 8885 | 11364 | 9571 | 8019 | 6826 | 5178 | 4142 | — | 34 | 2107 | 1860 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 65 | 294 | 246 | 315 | 327 | 326 | 929 | 835 | 835 | 835 | 835 | 455 | 810 | 455 | 69 | 71 | 61 | 65 | 65 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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