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Culdaff surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Monday 18 May 2026 ISTForecast update in hr min s Forecast update imminent
Culdaff surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Culdaff sea temperature is
10.6° C
(Which is normal for this time of year)How big are the waves at Culdaff today?
The current surf forecast for Culdaff at 9PM is: 1.2m 10s primary swell from a West-northwest direction and 0.7m 4s secondary swell from a East-southeast direction (forecast issued at 12:00pm May 18). An open ocean swell of 0.1m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 11s |
| Afternoon (18 May) | 5ft (1.6m) | 11s |
| Evening (18 May) | 4ft (1.2m) | 10s |
Table - waves today at Culdaff. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Very mild (max 14°C on Wed afternoon, min 9°C on Mon morning). Winds increasing (light winds from the ESE on Mon morning, fresh winds from the SE by Mon night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | NW 9 | WNW 16 | ESE 5 | ESE 4 | W 15 | W 14 | W 14 | NW 6 | W 13 | WNW 6 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | |
622 | 622 | 467 | 370 | 300 | 209 | 169 | 146 | 91 | 41 | 21 | 52 | 5 | 2 | 0 | 0 | 0 | 2 | 0 | 4 | 15 | 14 | 14 | 14 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:42AM2.80m | 8:04PM2.87m | 8:29AM2.65m | 8:53PM2.81m | 9:19AM2.45m | 9:46PM2.69m | ||||||||||||||||||
Low Tide | 1:57PM0.08m | 2:27AM0.07m | 2:43PM0.18m | 3:21AM0.19m | 3:32PM0.31m | 4:20AM0.36m | ||||||||||||||||||
 | | | |  | | | | |  |  | | |  |  | |  | |  | | | | | | |
 | 5:15 | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — |
 | — | — | — | 9:35 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | — | — | 9:40 |
— | — | — | — | 2 | 3 | 1 | — | — | 1 | 1 | 2 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 9 | 11 | 12 | 12 | 9 | 9 | 10 | 11 | 12 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 13 | 14 | 14 | 12 | 12 | 13 | 14 |
7 | 8 | 8 | 6 | 4 | 2 | 4 | 7 | 9 | 9 | 9 | 9 | 7 | 6 | 6 | 5 | 6 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | ESE 6 | ESE 6 | W 9 | W 9 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 |
 kJ | 622 | 622 | 467 | 370 | 300 | 209 | 169 | 123 | 88 | 41 | 20 | 79 | 87 | 496 | 1104 | 1163 | 1519 | 1370 | 749 | 510 | 819 | 614 | 517 | 342 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 16 | W 16 | W 15 | W 15 | W 15 | WNW 9 | W 9 | ESE 5 | W 16 | W 10 | — | W 5 | W 6 | NW 6 | — | WNW 6 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | — | — | — | — | 5 | 5 | 4 | 17 | 17 | 33 | 40 | 17 | 248 | 117 | — | 1 | 1 | 2 | — | 4 | 15 | 14 | 14 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | N 9 | N 8 | N 9 | WSW 9 | NW 9 | WNW 16 | ESE 5 | ESE 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 1 | 1 | 26 | 21 | 52 | 5 | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 3 | ESE 4 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | — | — | — | SSW 2 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | SSW 2 | W 13 | W 7 | — | — | — | SE 3 |
| kJ | — | — | — | 3 | 19 | 83 | 162 | 146 | 91 | — | — | — | 1 | 13 | 39 | 66 | 75 | 1 | 1475 | 176 | — | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 24 | 24 | 114 | 57 | 32 | 32 | 32 | 32 | 15 | 15 | 15 | 15 | 15 | 15 | 376 | 148 | 33 | 13 | 13 | 32 | 32 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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