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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 12 am Wednesday 13 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 8AM is: 3.5m 12s primary swell from a Northwest direction (forecast issued at 12:00am May 13). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 11ft (3.5m) | 12s |
| Afternoon (13 May) | 10ft (3.0m) | 12s |
| Evening (13 May) | 10ft (3.0m) | 11s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Mild temperatures (max 9°C on Wed morning, min 8°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | WNW 8 | NW 8 | |
1608 | 2301 | 3120 | 3398 | 2711 | 2227 | 2153 | 1882 | 1670 | 1291 | 1040 | 928 | 741 | 666 | 579 | 629 | 514 | 439 | 319 | 242 | 149 | 83 | 40 | 28 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 4:50AM1.90m | 5:37PM1.62m | 5:28AM2.02m | 6:06PM1.77m | 6:07AM2.13m | 6:37PM1.92m | ||||||||||||||||||
Low Tide | 10:35PM0.73m | 11:15AM0.60m | 11:10PM0.59m | 11:42AM0.49m | 11:47PM0.45m | 12:13PM0.39m | ||||||||||||||||||
 | |  |  | |  |  |  |  | | | | | | | | | |  | | | | | | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — |
1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 |
-1 | -1 | -1 | 0 | 1 | 1 | 0 | -1 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 3 | 4 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | WNW 8 | WNW 8 | NNW 5 |
 kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 26 | 43 | 40 | 20 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 5 | — |
| kJ | 1608 | 2301 | 3120 | 3398 | 2711 | 2227 | 2153 | 1882 | 1670 | 1291 | 1040 | 928 | 741 | 666 | 579 | 629 | 514 | 439 | 319 | 242 | 149 | 83 | 36 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 313 | 378 | 408 | 419 | 948 | 868 | 868 | 430 | 430 | 588 | 373 | 1289 | 609 | 655 | 326 | 264 | 471 | 314 | 314 | 422 | 422 | 140 | 249 | 140 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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