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 W 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 5PM is: 3.0m 12s primary swell from a West direction and 3.0m 12s secondary swell from a West-northwest direction (forecast issued at 12:00pm September 18). An open ocean swell of 0.1m 5s is not directed at the surf break. 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 18mm), heaviest on Fri morning. Very mild (max 15°C on Fri afternoon, min 10°C on Sun night). Winds decreasing (strong winds from the WSW on Sat morning, light winds from the WSW by Sun afternoon). | |||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||
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 13 | W 12 | WNW 12 | W 12 | WNW 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3691 | 2626 | 2544 | 2536 | 1976 | 1923 | 1985 | 2222 | 2810 | 3242 | 3609 | 3810 | 4155 | 4164 | 3900 | 3312 | 2816 | 2300 | 1966 | 1662 | 1438 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | on | on | on | cross-off |
High Tide | 10:07AM2.06m | 10:22PM1.84m | 11:07AM1.84m | 11:35PM1.65m | 1:27PM1.74m | ||||||||||||||||
Low Tide | 4:26PM1.00m | 4:41AM1.02m | 5:53PM1.21m | 6:34AM1.15m | 8:19PM1.22m | ||||||||||||||||
 |  | |  |  | |  | | |  | |  |  | | | | | | | |  | |
 | 7:01 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — |
 | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:30 | — |
mm | — | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 14 | 12 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 |
Feels °C | 8 | 4 | 8 | 9 | 8 | 6 | 5 | 5 | 3 | 3 | 3 | 4 | 4 | 2 | 2 | 4 | 4 | 6 | 7 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | W 13 | W 12 | WNW 12 | SE 5 | WNW 11 | SSE 6 | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | W 12 | W 12 |
| kJ | 3691 | 2626 | 2239 | 7 | 1976 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | 1966 | 1662 | 1438 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 5 | — | SE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | W 12 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | — | — | — |
| kJ | — | 29 | 2544 | 2536 | 1959 | 1923 | 1985 | 2222 | 2810 | 3242 | 3609 | 3810 | 4155 | 4164 | 3900 | 3312 | 2816 | 2300 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 896 | 455 | 349 | 455 | 455 | 727 | 801 | 801 | 810 | 843 | 623 | 450 | 409 | 435 | 409 | 409 | 223 | 223 | 170 | 14 | 0 |
Best forecast wave conditions in Inner Hebrides | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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