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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 6 am Tuesday 12 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
9.9° C
(Which is normal for this time of year)How big are the waves at Portballintrae today?
The current surf forecast for Portballintrae at 10AM is: 2.0m 8s primary swell from a Northwest direction (forecast issued at 06:00am May 12). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 6ft (1.8m) | 8s |
| Afternoon (12 May) | 7ft (2.1m) | 9s |
| Evening (12 May) | 8ft (2.5m) | 10s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Tue night. Very mild (max 10°C on Tue morning, min 8°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 9 | NW 7 | NW 8 | NW 9 | NW 9 | NW 10 | NW 10 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | |
242 | 258 | 470 | 645 | 822 | 951 | 1332 | 2064 | 2788 | 3594 | 3344 | 2968 | 2739 | 2536 | 2305 | 1951 | 1630 | 1192 | 951 | 821 | 691 | 538 | 419 | 353 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | |
High Tide | 4:11AM1.79m | 5:09PM1.49m | 4:50AM1.90m | 5:37PM1.62m | 5:28AM2.02m | 6:06PM1.77m | ||||||||||||||||||
Low Tide | 10:51AM0.69m | 10:35PM0.73m | 11:15AM0.60m | 11:10PM0.59m | 11:42AM0.49m | 11:47PM0.45m | ||||||||||||||||||
 |  | |  | | | | | |  |  | | | |  | | | | | | | |  | | |
 | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:24 | — | 9:27 |
1 | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 9 | 9 | 9 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 9 | 8 |
3 | 2 | 1 | 1 | 1 | 2 | -1 | -2 | -2 | -1 | 1 | 1 | 0 | -1 | 1 | 0 | -1 | 1 | 2 | 1 | 2 | 2 | 1 | 0 | |
Swell 1 Height (m) Direction Period (s) | NW 9 | — | — | — | — | NW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 kJ | 242 | — | — | — | — | 951 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 7 | NW 8 | NW 9 | NW 9 | — | NW 10 | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 8 | NNW 8 | NNW 8 |
| kJ | — | 258 | 470 | 645 | 822 | — | 1332 | 2064 | 2788 | 3594 | 3344 | 2968 | 2739 | 2536 | 2305 | 1951 | 1630 | 1192 | 951 | 821 | 691 | 538 | 419 | 353 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 267 | 312 | 324 | 383 | 492 | 326 | 326 | 326 | 326 | 373 | 408 | 373 | 1266 | 448 | 429 | 429 | 373 | 863 | 373 | 627 | 625 | 55 | 326 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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