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Keel Surf Forecast
/ Mayo and Achill Island (14 surf breaks) /
Surf Forecasts:
Keel surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 12 am Monday 18 May 2026 ISTForecast update in hr min s Forecast update imminent
Keel surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keel sea temperature is
11.4° C
(Which is normal for this time of year)How big are the waves at Keel today?
The current surf forecast for Keel at 5AM is: 2.3m 11s primary swell from a West direction (forecast issued at 12:00am May 18). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 7ft (2.1m) | 11s |
| Afternoon (18 May) | 6ft (1.8m) | 10s |
| Evening (18 May) | 3.5ft (1.0m) | 10s |
Table - waves today at Keel. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Mon night. Very mild (max 13°C on Wed afternoon, min 9°C on Sun night). Winds increasing (calm on Sun night, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 10 | SSW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | W 16 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | SW 11 | |
1643 | 1326 | 1096 | 890 | 650 | 569 | 434 | 205 | 228 | 268 | 341 | 401 | 470 | 305 | 1145 | 4644 | 5504 | 5306 | 4149 | 3406 | 2685 | 2205 | 1806 | 1395 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | |
High Tide | 7:13AM3.73m | 7:31PM3.93m | 8:04AM3.61m | 8:19PM3.83m | 8:59AM3.41m | 9:11PM3.68m | ||||||||||||||||||
Low Tide | 00:57AM0.04m | 1:12PM0.20m | 1:45AM0.03m | 1:59PM0.38m | 2:36AM0.13m | 2:49PM0.62m | ||||||||||||||||||
 |  |  | | |  | |  | | | | | | | |  | | | |  | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:39 | — | — | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:44 | — |
— | — | — | — | — | 1 | 1 | 3 | 4 | 1 | 1 | 2 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 9 | 10 | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 13 | 12 |
6 | 7 | 5 | 5 | 5 | 4 | 3 | 5 | 8 | 7 | 7 | 6 | 4 | 5 | 7 | 5 | 4 | 4 | 4 | 5 | 5 | 7 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | SW 8 | W 13 | W 9 | W 16 | N 8 | N 8 | N 8 | WSW 13 | WSW 13 | N 8 | WSW 12 | WSW 12 | NW 7 |
 kJ | 1643 | 1326 | 1096 | 890 | 650 | 569 | 434 | 205 | 109 | 81 | 34 | 401 | 55 | 230 | 1145 | 6 | 6 | 5 | 4149 | 2773 | 5 | 150 | 1806 | 26 |
Swell 2 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | NW 9 | N 8 | W 16 | W 10 | N 8 | — | — | N 8 | — | — | — | SW 16 | SW 16 |
| kJ | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 22 | 12 | 193 | 231 | 6 | — | — | 5 | — | — | — | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | S 14 | SW 15 | SW 15 | SW 14 | W 16 | W 15 | W 15 | W 14 | W 13 | W 17 | W 14 | SW 11 | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 6 | 4 | 8 | 8 | 8 | 5 | 17 | 17 | 36 | 31 | 51 | 132 | 104 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SE 3 | SE 4 | S 6 | SSW 7 | SW 8 | SW 8 | SSW 8 | SW 8 | SW 8 | SW 8 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SSW 4 | SW 11 |
| kJ | — | — | — | — | — | 7 | 10 | 123 | 228 | 268 | 341 | 128 | 470 | 305 | 401 | 4644 | 5504 | 5306 | 3513 | 3406 | 2685 | 2205 | 8 | 1395 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 0 | 28 | 29 | 69 | 69 | 117 | 192 | 69 | 58 | 58 | 58 | 65 | 80 | 196 | 65 | 65 | 65 | 185 | 608 | 261 | 65 | 28 | 28 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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