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Surf Forecasts:
Harbour surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Sunday 31 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
13.8° C
(Which is 2.0°C warmer than normal for this time of year)How big are the waves at Harbour today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3.5ft (1.0m), 12s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.0m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 3ft (0.9m), 12s period with W swell.
The current surf forecast for Harbour at 8PM is: 0.9m 12s primary swell from a West direction and 0.1m 10s secondary swell from a North direction (forecast issued at 12:00pm May 31). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3.5ft (1.0m) | 12s |
| Afternoon (31 May) | 3.5ft (1.0m) | 12s |
| Evening (31 May) | 3ft (0.9m) | 12s |
Table - waves today at Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Mon afternoon. Very mild (max 16°C on Mon morning, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | W 12 | W 11 | W 12 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 16 | W 15 | W 14 | W 13 | |
300 | 295 | 280 | 214 | 166 | 166 | 123 | 116 | 114 | 110 | 100 | 125 | 125 | 122 | 90 | 64 | 61 | 41 | 43 | 111 | 44 | 343 | 320 | 281 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | |
High Tide | 6:48PM3.24m | 7:04AM2.97m | 7:23PM3.26m | 7:39AM2.91m | 8:00PM3.23m | |||||||||||||||||||
Low Tide | 12:25PM0.49m | 00:54AM0.54m | 12:59PM0.50m | 1:31AM0.56m | 1:33PM0.54m | 2:08AM0.63m | ||||||||||||||||||
 | | | |  |  | | | |  |  | |  |  | | | |  | | | | | | | |
 | 5:05 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — |
 | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:57 | — | — | — | — | — | — | — | 9:58 | — | — | — | 9:59 |
— | — | — | — | — | 2 | 1 | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 1 | |
Temp °C | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 15 | 16 | 16 | 15 | 13 | 12 | 12 | 12 | 14 | 14 | 14 | 13 | 13 | 11 | 12 | 12 |
10 | 12 | 13 | 14 | 12 | 11 | 12 | 13 | 14 | 15 | 13 | 13 | 11 | 11 | 11 | 10 | 12 | 11 | 10 | 9 | 10 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 11 | W 12 | W 11 | W 11 | W 11 | W 11 | W 10 | — | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 16 | W 5 | W 15 | W 14 | W 13 |
 kJ | 300 | 295 | 280 | 214 | 166 | 166 | 123 | 116 | 114 | 110 | 100 | — | 125 | 122 | 90 | 64 | 61 | 41 | 43 | 21 | 21 | 343 | 320 | 281 |
Swell 2 Height (m) Direction Period (s) | — | — | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | — | — | — | — | — | — | — | — | W 18 | — | WSW 11 | — | — | — |
| kJ | — | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | 6 | — | 37 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 44 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 2 | — | — | — | — | — | W 10 | — | — | — | — | — | W 2 | W 4 | W 9 | — | — | S 3 | SSW 4 |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | 125 | — | — | — | — | — | 1 | 10 | 111 | — | — | 7 | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 64 | 64 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 64 | 37 | 2 | 12 | 18 | 118 | 294 | 294 | 244 | 30 | 0 | 36 | 37 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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