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Surf Forecasts:
Harbour surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Monday 11 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 10PM is: 1.0m 9s primary swell from a West-northwest direction (forecast issued at 06:00pm May 11). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | - | - |
| Afternoon (11 May) | 3.5ft (1.0m) | 8s |
| Evening (11 May) | 3.5ft (1.0m) | 9s |
Table - waves today at Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Tue night. Very mild (max 10°C on Mon afternoon, min 8°C on Tue night). Winds increasing (light winds from the WSW on Mon night, strong winds from the NW by Tue night). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 7 | WNW 8 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 10 | |
138 | 161 | 147 | 213 | 287 | 262 | 392 | 490 | 710 | 1111 | 1629 | 2336 | 3049 | 3495 | 3060 | 2568 | 2502 | 2005 | 1584 | 1277 | 1066 | 784 | 597 | 496 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | |
High Tide | 2:16PM2.30m | 2:27AM2.81m | 3:16PM2.53m | 3:21AM3.01m | 4:05PM2.80m | 4:10AM3.22m | ||||||||||||||||||
Low Tide | 8:05PM1.14m | 9:06AM0.75m | 9:07PM0.97m | 9:51AM0.48m | 9:58PM0.74m | 10:33AM0.24m | ||||||||||||||||||
 |  |  | |  | | | | | |  |  | |  | | | | | | | |  | | | |
 | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — |
 | — | 9:23 | — | — | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | 9:29 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | |
Temp °C | 10 | 10 | 9 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 10 |
4 | 6 | 6 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 0 | -1 | -2 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | W 14 | WNW 9 | WNW 9 | — | — | W 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 kJ | 4 | 161 | 147 | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 9 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 8 | — | — | WNW 9 | WNW 9 | WNW 7 | WNW 8 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 10 |
| kJ | 138 | — | — | 213 | 287 | 262 | 392 | 490 | 710 | 1111 | 1629 | 2336 | 3049 | 3495 | 3060 | 2568 | 2502 | 2005 | 1584 | 1277 | 1066 | 784 | 597 | 496 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 236 | 117 | 125 | 270 | 270 | 270 | 503 | 681 | 446 | 446 | 446 | 446 | 487 | 487 | 560 | 487 | 560 | 1013 | 544 | 558 | 827 | 1070 | 1218 | 317 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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