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Trá Mór (Sheephaven Bay) surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Monday 18 May 2026 ISTForecast update in hr min s Forecast update imminent
Trá Mór (Sheephaven Bay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trá Mór (Sheephaven Bay) sea temperature is
11.0° C
(Which is normal for this time of year)How big are the waves at Trá Mór (Sheephaven Bay) today?
The current surf forecast for Trá Mór (Sheephaven Bay) at 6AM is: 1.5m 11s primary swell from a West-northwest direction (forecast issued at 12:00am May 18). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4.5ft (1.4m) | 11s |
| Afternoon (18 May) | 4ft (1.2m) | 10s |
| Evening (18 May) | 3.5ft (1.0m) | 10s |
Table - waves today at Trá Mór (Sheephaven Bay). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Mon night. Very mild (max 13°C on Mon afternoon, min 8°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the SE by Mon 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 |    |    |    | |||||||||||||||||||||
WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | W 9 | W 9 | W 9 | WNW 16 | WNW 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 12 | W 12 | |
819 | 698 | 540 | 469 | 404 | 304 | 245 | 186 | 151 | 107 | 69 | 47 | 24 | 57 | 78 | 288 | 554 | 1108 | 1443 | 1324 | 1104 | 956 | 759 | 555 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | |
High Tide | 7:40AM3.49m | 8:03PM3.57m | 8:29AM3.34m | 8:52PM3.50m | 9:21AM3.11m | 9:46PM3.36m | ||||||||||||||||||
Low Tide | 1:22AM-0.03m | 1:43PM0.03m | 2:12AM0.02m | 2:29PM0.16m | 3:04AM0.17m | 3:18PM0.33m | ||||||||||||||||||
 | |  |  | | | |  | | |  | | | |  | | |  | | | | | | | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | — | — | — | — | — | — | 9:40 | — |
— | — | — | — | — | — | — | 3 | 4 | 2 | 2 | — | 1 | 2 | 2 | 1 | — | — | — | 1 | 1 | — | — | — | |
Temp °C | 9 | 9 | 8 | 9 | 11 | 13 | 12 | 9 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 12 | 13 | 13 | 13 | 13 |
7 | 8 | 6 | 6 | 7 | 8 | 6 | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 8 | 7 | 5 | 6 | 7 | 6 | 6 | 6 | 9 | 11 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | W 9 | W 9 | W 9 | W 9 | WNW 16 | W 15 | — | W 14 | — | W 13 | W 12 | W 12 |
 kJ | 819 | 698 | 540 | 469 | 404 | 304 | 245 | 186 | 151 | 107 | 69 | 47 | 24 | 57 | 78 | 106 | 554 | 1108 | — | 1324 | — | 956 | 759 | 555 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | N 9 | N 9 | N 9 | N 9 | ENE 6 | ENE 7 | NE 5 | NW 9 | WNW 13 | WNW 16 | WNW 16 | W 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 1 | 2 | 2 | 1 | 4 | 5 | 1 | 22 | 17 | 51 | 288 | 148 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 16 | N 6 | W 15 | NW 15 | NW 14 | WNW 13 | W 17 | WNW 13 | N 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 5 | 1 | 4 | 8 | 8 | 18 | 6 | 17 | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 2 | SE 3 | SSE 3 | SSE 3 | — | — | SSW 2 | — | — | — | — | W 14 | — | W 13 | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 5 | 4 | 1 | — | — | 1 | — | — | — | — | 1443 | — | 1104 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 69 | 79 | 49 | 7 | 7 | 7 | 7 | 0 | 40 | 40 | 16 | 7 | 418 | 76 | 134 | 40 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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