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Surf Forecasts:
Strandhill surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 12 am Thursday 21 May 2026 ISTForecast update in hr min s Forecast update imminent
Strandhill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Strandhill sea temperature is
11.9° C
(Which is slightly warmer than usual)How big are the waves at Strandhill today?
The current surf forecast for Strandhill at 4AM is: 0.9m 11s primary swell from a West direction and 0.4m 6s secondary swell from a Northwest direction (forecast issued at 12:00am May 21). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 2.5ft (0.8m) | 11s |
| Afternoon (21 May) | 2.5ft (0.8m) | 11s |
| Evening (21 May) | 2.5ft (0.7m) | 11s |
Table - waves today at Strandhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Thu afternoon. Very mild (max 17°C on Fri morning, min 10°C on Fri night). Winds decreasing (fresh winds from the S on Thu afternoon, light winds from the SSW by Fri night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 12 | W 11 | W 11 | W 11 | WSW 11 | W 11 | W 11 | W 11 | W 10 | W 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | WSW 11 | W 9 | W 10 | W 10 | W 10 | W 9 | |
325 | 206 | 149 | 146 | 153 | 112 | 110 | 110 | 106 | 112 | 85 | 85 | 50 | 49 | 85 | 83 | 74 | 74 | 90 | 41 | 46 | 68 | 65 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 10:01AM2.86m | 10:26PM3.38m | 11:05AM2.62m | 11:30PM3.22m | 12:17PM2.46m | |||||||||||||||||||
Low Tide | 3:45AM0.38m | 3:46PM0.60m | 4:51AM0.58m | 4:46PM0.81m | 6:07AM0.72m | 5:58PM0.97m | ||||||||||||||||||
 | |  | | |  | |  |  | | | | | | | |  | |  | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:40 | — | — | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:44 | — |
1 | 2 | — | — | — | 2 | 3 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 14 | 15 | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 15 | 17 | 17 | 15 | 14 | 12 | 11 | 10 | 12 | 16 | 17 | 16 | 14 |
8 | 9 | 11 | 12 | 13 | 12 | 10 | 9 | 8 | 10 | 10 | 11 | 13 | 13 | 13 | 13 | 10 | 9 | 8 | 9 | 13 | 13 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 11 | WSW 11 | W 11 | W 11 | W 11 | W 10 | W 11 | W 11 | W 11 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | WSW 11 | W 9 | W 10 | W 10 | W 10 | W 9 |
 kJ | 325 | 206 | 149 | 146 | 153 | 112 | 110 | 110 | 106 | 112 | 85 | 85 | 50 | 49 | 85 | 83 | 74 | 74 | 90 | 41 | 46 | 68 | 65 | 85 |
Swell 2 Height (m) Direction Period (s) | — | NW 6 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WSW 12 | WSW 12 | — | — | — | W 12 | — | W 11 | — | — | — | — |
| kJ | — | 11 | 23 | 22 | 9 | 8 | 8 | 2 | 2 | 2 | 2 | 2 | 46 | 27 | — | — | — | 12 | — | 22 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | N 7 | N 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | S 3 | S 3 | — | S 3 | S 3 | S 3 | S 3 | S 3 | S 3 | S 3 | SSW 3 | SSW 3 | — | — | — | — | — | SSW 3 | SSW 3 | — | — | — |
| kJ | — | 3 | 5 | 5 | — | 1 | 5 | 6 | 8 | 6 | 3 | 3 | 3 | 2 | — | — | — | — | — | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 39 | 8 | 8 | 8 | 8 | 50 | 50 | 0 | 0 | 8 | 8 | 8 | 41 | 8 | 0 | 0 | 0 | 0 | 23 | 23 | 41 | 0 | 0 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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