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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 12 pm Sunday 10 May 2026 BSTForecast update in hr min s Forecast update imminent
Portballintrae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portballintrae sea temperature is
9.8° C
(Which is normal for this time of year)How big are the waves at Portballintrae today?
The current surf forecast for Portballintrae at 5PM is: 0.9m 7s primary swell from a Northwest direction and 0.1m 10s secondary swell from a West direction (forecast issued at 12:00pm May 10). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 2ft (0.6m) | 5s |
| Afternoon (10 May) | 3ft (0.9m) | 7s |
| Evening (10 May) | 3.5ft (1.1m) | 7s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Very mild (max 10°C on Tue morning, min 6°C on Sun night). Winds increasing (light winds from the NNW on Sun morning, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 5 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NNW 7 | NNW 8 | NNW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 7 | NW 8 | NW 9 | NW 10 | NW 10 | NW 10 | NW 10 | NW 11 | |
19 | 56 | 91 | 105 | 147 | 162 | 211 | 279 | 267 | 248 | 256 | 238 | 225 | 208 | 211 | 307 | 340 | 470 | 593 | 742 | 884 | 1103 | 1671 | 2413 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 3:48PM1.32m | 3:29AM1.70m | 4:34PM1.39m | 4:11AM1.79m | 5:09PM1.49m | 4:50AM1.90m | ||||||||||||||||||
Low Tide | 9:35AM0.88m | 9:13PM0.95m | 10:19AM0.79m | 9:58PM0.85m | 10:51AM0.69m | 10:35PM0.73m | ||||||||||||||||||
 | | |  |  | |  | | | | |  |  | | | | | | | | |  | |  | |
 | 5:26 | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — |
 | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:20 | — | — | — | — | — | — | — | 9:22 | — | — | — | 9:23 |
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | |
Temp °C | 8 | 9 | 9 | 9 | 9 | 9 | 7 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 8 |
4 | 4 | 3 | 3 | 3 | 3 | -1 | -2 | 0 | 1 | 1 | 3 | 3 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | -1 | -3 | -1 | |
Swell 1 Height (m) Direction Period (s) | NW 7 | WNW 10 | W 10 | W 10 | W 10 | W 10 | — | — | — | NW 15 | — | NW 9 | NW 9 | NW 9 | NW 9 | — | — | — | — | NW 10 | NW 10 | NW 10 | — | — |
 kJ | 14 | 9 | 2 | 7 | 2 | 2 | — | — | — | 8 | — | 238 | 225 | 208 | 211 | — | — | — | — | 742 | 884 | 1103 | — | — |
Swell 2 Height (m) Direction Period (s) | NNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NNW 7 | NNW 8 | NNW 8 | NW 8 | — | — | — | — | NW 9 | NW 7 | NW 8 | NW 9 | — | — | — | NW 10 | NW 11 |
| kJ | 19 | 56 | 91 | 105 | 147 | 162 | 211 | 279 | 267 | 248 | 256 | — | — | — | — | 307 | 340 | 470 | 593 | — | — | — | 1671 | 2413 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 140 | 389 | 375 | 375 | 456 | 456 | 343 | 287 | 140 | 140 | 305 | 153 | 16 | 265 | 293 | 324 | 409 | 432 | 313 | 318 | 315 | 326 | 326 | 383 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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