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Machir Bay (Islay) surfForecast / Scot – Inner Hebrides / UK
48hr Weather and Surf, issued 6 pm 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
10.0° 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 12AM is: 0.8m 16s primary swell from a West direction and 0.8m 9s secondary swell from a West-southwest direction (forecast issued at 06:00pm May 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5.5ft (1.7m) | 14s |
| Afternoon (20 May) | 4.5ft (1.4m) | 13s |
| Evening (20 May) | 5ft (1.5m) | 12s |
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 21mm), heaviest during Tue night. Very mild (max 17°C on Thu afternoon, min 10°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 9 | W 9 | W 16 | W 16 | W 15 | WSW 14 | WSW 14 | WSW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | WSW 11 | W 10 | WSW 9 | W 9 | WSW 9 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | |
27 | 56 | 84 | 314 | 538 | 1240 | 1341 | 1308 | 673 | 556 | 746 | 636 | 520 | 307 | 242 | 191 | 306 | 265 | 212 | 147 | 157 | 173 | 249 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | on | cross-on | cross | on | on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 8:13PM2.83m | 8:34AM2.52m | 9:05PM2.71m | 9:24AM2.32m | 10:03PM2.55m | 10:20AM2.12m | ||||||||||||||||||
Low Tide | 1:49PM0.12m | 2:24AM0.26m | 2:38PM0.23m | 3:21AM0.45m | 3:32PM0.37m | 4:25AM0.65m | ||||||||||||||||||
 | |  |  | |  |  |  | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — |
 | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | — | — | — | — | — | — | 9:40 | — | — | — | — | — | 9:42 |
3 | 2 | 6 | 1 | 1 | — | 1 | — | — | — | — | — | — | 2 | — | — | — | 1 | 3 | 1 | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 14 | 15 | 17 | 15 | 14 | 14 | 12 | 12 | 13 | 15 |
6 | 8 | 10 | 7 | 6 | 5 | 2 | 4 | 5 | 8 | 9 | 8 | 7 | 5 | 9 | 11 | 14 | 13 | 10 | 10 | 6 | 6 | 8 | 11 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | W 9 | WSW 9 | W 16 | W 15 | WSW 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | WSW 11 | W 10 | WSW 9 | W 9 | WSW 9 | WSW 10 | WSW 10 | WSW 11 | WSW 11 |
 kJ | 27 | 56 | 84 | 314 | 538 | 1240 | 881 | 694 | 673 | 556 | 746 | 636 | 520 | 307 | 242 | 191 | 306 | 265 | 212 | 147 | 157 | 173 | 249 | 202 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | W 13 | W 16 | WSW 9 | WSW 10 | — | SSE 4 | — | — | W 6 | W 7 | W 7 | — | WNW 9 | WNW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | WNW 7 | WNW 6 | NW 6 | WNW 6 | NW 6 |
| kJ | 25 | 31 | 80 | 113 | 123 | — | 2 | — | — | 123 | 92 | 79 | — | 88 | 61 | 42 | 15 | 13 | 7 | 4 | 4 | 2 | 4 | 1 |
Swell 3 Height (m) Direction Period (s) | W 13 | WNW 9 | SSE 5 | SSE 5 | SE 5 | — | — | — | — | — | — | — | — | — | — | — | SSE 6 | — | — | — | — | — | — | — |
| kJ | 14 | 8 | 6 | 3 | 6 | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 6 | — | — | SW 3 | S 3 | WSW 14 | WSW 13 | W 6 | — | — | — | SSE 3 | SSE 3 | SSE 4 | S 3 | S 3 | SSE 3 | SSE 3 | SSE 3 | SE 4 | SSE 4 | SSE 4 | SSE 3 |
| kJ | 12 | 12 | — | — | 3 | 4 | 1341 | 1308 | 130 | — | — | — | 2 | 9 | 10 | 6 | 6 | 3 | 6 | 7 | 12 | 20 | 10 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 71 | 16 | 14 | 14 | 61 | 14 | 236 | 244 | 72 | 65 | 14 | 14 | 63 | 61 | 61 | 14 | 8 | 14 | 88 | 93 | 124 | 93 | 93 | 86 |
Best forecast wave conditions in Inner Hebrides | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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