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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 6 am Sunday 17 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
10.1° 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: 1.6m 13s primary swell from a West-northwest direction (forecast issued at 06:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.4m) | 13s |
| Afternoon (17 May) | 5ft (1.5m) | 13s |
| Evening (17 May) | 4.5ft (1.3m) | 12s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon night. Very mild (max 13°C on Tue morning, min 8°C on Sun afternoon). Winds increasing (calm on Mon morning, fresh winds from the ESE by Mon night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 9 | NW 9 | WNW 9 | WNW 13 | WNW 16 | |
537 | 690 | 837 | 722 | 711 | 620 | 466 | 378 | 341 | 280 | 251 | 207 | 204 | 143 | 130 | 102 | 65 | 64 | 37 | 23 | 21 | 16 | 17 | 50 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross | cross-on | on | cross-on | on | cross-on | cross-on | glassy | cross-off | off | off | off | off | off | off | off | cross-off | cross | cross-off | cross-off | cross-off | |
High Tide | 7:32AM2.19m | 7:51PM2.12m | 8:18AM2.12m | 8:34PM2.13m | 9:08AM1.99m | 9:22PM2.08m | ||||||||||||||||||
Low Tide | 1:09AM0.28m | 1:28PM0.29m | 1:56AM0.29m | 2:09PM0.32m | 2:48AM0.37m | 2:53PM0.40m | ||||||||||||||||||
 |  |  |  |  | |  |  |  | | | |  | | | | | | | | | | | | |
 | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | 5:09 |
 | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:34 | — | 9:36 |
— | — | — | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | 3 | 2 | 1 | 2 | |
Temp °C | 6 | 7 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 12 | 12 | 9 | 9 | 9 | 10 | 10 | 13 | 12 | 12 | 11 | 10 |
0 | 2 | 4 | 6 | 7 | 5 | 6 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 4 | 3 | 1 | 3 | 5 | 10 | 9 | 10 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | ESE 5 | ESE 5 | WNW 9 | WNW 9 | WNW 16 |
 kJ | 537 | 690 | 837 | 722 | 711 | 620 | 466 | 378 | 341 | 280 | 251 | 207 | 204 | 143 | 130 | 102 | 65 | 64 | 37 | 30 | 9 | 16 | 8 | 50 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | NW 15 | NW 9 | NW 9 | ESE 4 | ESE 3 | WNW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 8 | 23 | 21 | 3 | 1 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | NW 13 | NW 13 | WNW 13 | WNW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 7 | 7 | 17 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 2 | SE 3 | ESE 3 | ESE 4 | ESE 5 | ESE 5 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 8 | 42 | 92 | 66 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 7 | 3 | 52 | 25 | 7 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 139 | 125 | 70 | 52 | 39 | 53 | 52 | 0 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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