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Machir Bay (Islay) surfForecast / Scot – Inner Hebrides / UK
48hr Weather and Surf, issued 12 pm Monday 20 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Machir Bay (Islay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Machir Bay (Islay) sea temperature is
8.5° C
(Which is normal for this time of year)How big are the waves at Machir Bay (Islay) today?
The current surf forecast for Machir Bay (Islay) at 6PM is: 1.3m 13s primary swell from a West direction and 0.5m 4s secondary swell from a North direction (forecast issued at 12:00pm April 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 3.5ft (1.1m) | 11s |
| Afternoon (20 Apr) | 4.5ft (1.3m) | 13s |
| Evening (20 Apr) | 4.5ft (1.4m) | 13s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 13 | 13 | 13 | 13 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 292 | 292 | 600 | 569 | 653 | 473 | 359 | 287 | 623 | 581 | 526 | 423 | 272 | 199 | 144 | 103 | 64 | 61 | 39 | 21 | 19 | 17 | 8 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 7:58AM 2.82 | 8:19PM 2.80 | 8:40AM 2.60 | 9:05PM 2.64 | 9:27AM 2.33 | 10:01PM 2.43 | ||||||||||||||||||
Low Tide / height (m) | 2:00PM 0.11 | 2:26AM 0.18 | 2:43PM 0.27 | 3:18AM 0.42 | 3:33PM 0.47 | 4:21AM 0.69 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:01 |
| Sunset | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:43 | - | - | - | - | - | - | - | 8:45 | - | - | - | - |
 |  | |  |  |  | | | | | | |  | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 9 | 10 | 10 | 8 | 7 | 6 | 6 | 8 | 11 | 12 | 11 | 8 | 7 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 8 | 8 |
| Feels °C (?) | 4 | 6 | 6 | 5 | 2 | 0 | -2 | -2 | 1 | 4 | 6 | 3 | 0 | -1 | -1 | 0 | 1 | 2 | 4 | 5 | 4 | 4 | 4 | 4 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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