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Surf Forecasts:
Harbour surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Tuesday 12 May 2026 ISTForecast update in hr min s Forecast update imminent
Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harbour sea temperature is
11.8° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Harbour today?
The current surf forecast for Harbour at 3AM is: 1.3m 9s primary swell from a West-northwest direction (forecast issued at 12:00am May 12). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 6ft (1.8m) | 8s |
| Afternoon (12 May) | 6ft (1.9m) | 9s |
| Evening (12 May) | 10ft (3.0m) | 10s |
Table - waves today at Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Very mild (max 11°C on Thu afternoon, min 8°C on Tue night). Winds increasing (light winds from the WSW on Mon night, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 9 | WNW 9 | WNW 7 | WNW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | WNW 9 | NW 9 | |
180 | 301 | 278 | 392 | 479 | 673 | 1021 | 1666 | 2525 | 3174 | 3614 | 3374 | 3046 | 2590 | 2206 | 1652 | 1190 | 990 | 784 | 597 | 450 | 396 | 194 | 226 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 2:27AM2.81m | 3:16PM2.53m | 3:21AM3.01m | 4:05PM2.80m | 4:10AM3.22m | 4:50PM3.08m | ||||||||||||||||||
Low Tide | 9:06AM0.75m | 9:07PM0.97m | 9:51AM0.48m | 9:58PM0.74m | 10:33AM0.24m | |||||||||||||||||||
 |  |  |  | | |  | | |  |  | | | | | | | |  | | | | |  | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:29 | — |
— | 1 | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 2 | 1 | — | — | — | |
Temp °C | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 10 | 11 | 10 | 8 |
4 | 4 | 2 | 2 | 1 | 2 | 1 | 0 | -2 | -2 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | — | — | W 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 9 | NW 9 |
 kJ | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 194 | 226 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 7 | WNW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NNW 5 | — |
| kJ | 180 | 301 | 278 | 392 | 479 | 673 | 1021 | 1666 | 2525 | 3174 | 3614 | 3374 | 3046 | 2590 | 2206 | 1652 | 1190 | 990 | 784 | 597 | 450 | 396 | 41 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 270 | 269 | 270 | 493 | 579 | 446 | 446 | 446 | 446 | 487 | 513 | 487 | 1275 | 573 | 558 | 558 | 487 | 827 | 487 | 646 | 643 | 191 | 446 | 431 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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