Surf Forecasts:
How big are the waves at Machir Bay (Islay) today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 11ft (3.5m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 10ft (3.0m), 12s period with W swell.
- Evening surf: Evening surf (18 Sep, local time) - 10ft (3.0m), 11s period with W swell.
The current surf forecast for Machir Bay (Islay) at 1AM is: 4.5m 14s primary swell from a West direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 11ft (3.5m) | 13s |
| Afternoon (18 Sep) | 10ft (3.0m) | 12s |
| Evening (18 Sep) | 10ft (3.0m) | 11s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Fri morning. Very mild (max 15°C on Fri afternoon, min 12°C on Fri morning). Winds decreasing (near gales from the W on Thu afternoon, fresh winds from the W by Sun morning). | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
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 13 | W 15 | W 14 | W 14 | W 14 | WNW 13 | WNW 13 | W 12 | W 12 | W 12 | WNW 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 11 | W 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 8841 | 10716 | 9371 | 7670 | 6069 | 4718 | 3953 | 2909 | 3027 | 2704 | 2248 | 1890 | 1855 | 2138 | 2594 | 3018 | 3798 | 3876 | 4371 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | on | on |
High Tide | 9:42PM2.07m | 10:07AM2.06m | 10:22PM1.84m | 11:07AM1.84m | |||||||||||||||
Low Tide | 3:41PM0.75m | 3:51AM0.82m | 4:26PM1.00m | 4:41AM1.02m | 5:53PM1.21m | ||||||||||||||
 |  |  | |  |  | | | | | | |  |  |  | |  | | | |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — |
 | — | 7:38 | — | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:34 | — |
mm | 1 | — | — | — | — | — | 1 | 5 | 4 | 1 | — | — | 1 | 1 | 1 | — | — | 1 | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 |
Feels °C | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 4 | 8 | 9 | 7 | 8 | 5 | 5 | 3 | 3 | 3 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | WNW 13 | WNW 13 | W 12 | — | SE 6 | WNW 11 | SSE 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 4718 | 3953 | 2909 | — | 8 | 2112 | 4 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SE 6 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 13 | W 15 | W 14 | W 14 | W 14 | W 13 | W 13 | SSW 4 | W 12 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 11 | W 12 |
| kJ | 8841 | 10716 | 9371 | 7670 | 6069 | 4620 | 3884 | 25 | 3027 | 2704 | 2248 | 1890 | 1855 | 2138 | 2594 | 3018 | 3798 | 3876 | 4371 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 835 | 835 | 495 | 455 | 641 | 69 | 61 | 455 | 349 | 65 | 455 | 639 | 810 | 801 | 450 | 450 | 450 | 352 | 435 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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