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Machir Bay (Islay) surfForecast / Scot – Inner Hebrides / UK
48hr Weather and Surf, issued 12 am Tuesday 19 May 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
9.8° C
(Which is slightly cooler than normal)How big are the waves at Machir Bay (Islay) today?
The current surf forecast for Machir Bay (Islay) at 9AM is: 0.7m 10s primary swell from a West direction and 0.1m 15s secondary swell from a West direction (forecast issued at 12:00am May 19). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 10s |
| Afternoon (19 May) | 1.5ft (0.4m) | 9s |
| Evening (19 May) | 1.5ft (0.4m) | 16s |
Table - waves today at Machir Bay (Islay). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Wed night. Very mild (max 16°C on Thu afternoon, min 9°C on Mon night). Winds decreasing (near gales from the SE on Mon night, light winds from the SW by Wed night). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 10 | W 10 | W 10 | W 9 | W 9 | WNW 9 | W 9 | W 16 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | WSW 9 | WSW 9 | W 9 | |
194 | 122 | 92 | 64 | 58 | 27 | 56 | 84 | 314 | 538 | 931 | 1033 | 812 | 1121 | 957 | 746 | 636 | 449 | 357 | 238 | 233 | 308 | 265 | 217 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross-on | cross-on | on | on | cross-on | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | |
High Tide | 7:47AM2.70m | 8:13PM2.83m | 8:34AM2.52m | 9:05PM2.71m | 9:24AM2.32m | |||||||||||||||||||
Low Tide | 1:32AM0.11m | 1:49PM0.12m | 2:24AM0.26m | 2:38PM0.23m | 3:21AM0.45m | 3:32PM0.37m | ||||||||||||||||||
 | |  | | | | | | |  |  |  |  | | | | | | | |  | | | | |
 | — | 5:07 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | — | — | — | — | — | — | 9:40 | — |
2 | 2 | 1 | 1 | 2 | 1 | 2 | 3 | 1 | — | — | 1 | — | — | — | — | — | 1 | 5 | 1 | — | — | 2 | 5 | |
Temp °C | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 12 | 14 | 15 | 16 | 15 | 15 |
-1 | -1 | 2 | 5 | 5 | 6 | 6 | 7 | 6 | 5 | 4 | 5 | 5 | 6 | 6 | 8 | 8 | 6 | 7 | 10 | 12 | 13 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | WNW 9 | W 9 | WSW 9 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | WSW 9 | WSW 9 | W 9 |
 kJ | 194 | 122 | 92 | 64 | 58 | 27 | 56 | 84 | 314 | 538 | 931 | 1033 | 812 | 976 | 957 | 746 | 636 | 449 | 357 | 238 | 233 | 308 | 265 | 217 |
Swell 2 Height (m) Direction Period (s) | W 16 | W 15 | W 15 | W 15 | W 14 | WSW 9 | W 13 | W 16 | WSW 9 | W 10 | — | S 3 | SSE 5 | — | — | — | W 7 | — | — | WNW 8 | WNW 8 | NW 8 | NW 7 | NW 7 |
| kJ | 5 | 4 | 4 | 4 | 16 | 25 | 31 | 80 | 88 | 94 | — | 2 | 2 | — | — | — | 62 | — | — | 40 | 41 | 15 | 14 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 13 | WNW 9 | W 13 | W 10 | SE 5 | — | SSE 4 | — | — | — | — | — | — | — | — | — | — | SSE 3 | — |
| kJ | — | — | — | — | — | 14 | 8 | 31 | 65 | 3 | — | 2 | — | — | — | — | — | — | — | — | — | — | 1 | — |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 6 | SE 6 | SSE 5 | SSE 4 | SSE 4 | SSE 4 | S 3 | S 3 | WSW 10 | SW 4 | WSW 6 | WSW 6 | W 13 | — | — | — | SSE 3 | SSE 3 | S 4 | S 3 | SSE 3 | — | SSE 2 |
| kJ | 154 | 195 | 133 | 61 | 26 | 20 | 7 | 5 | 5 | 210 | 27 | 98 | 123 | 1121 | — | — | — | 3 | 9 | 9 | 6 | 2 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 183 | 119 | 62 | 231 | 93 | 104 | 79 | 14 | 14 | 65 | 61 | 65 | 65 | 72 | 65 | 14 | 14 | 93 | 61 | 14 | 63 | 14 | 14 | 86 |
Best forecast wave conditions in Inner Hebrides | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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