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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 6 pm Sunday 31 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
11.1° C
(Which is normal for this time of year)How big are the waves at Portballintrae today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 1ft (0.3m), 13s period with WNW swell.
- Evening surf: Evening surf (31 May, local time) - 1ft (0.3m), 12s period with WNW swell.
The current surf forecast for Portballintrae at 9PM is: 0.3m 12s primary swell from a West-northwest direction and 0.4m 6s secondary swell from a Northwest direction (forecast issued at 06:00pm May 31). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| Afternoon (31 May) | 1ft (0.3m) | 13s |
| Evening (31 May) | 1ft (0.3m) | 12s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 15°C on Sun afternoon, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 11 | W 11 | W 11 | W 11 | WNW 10 | WNW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | NW 16 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | |
33 | 30 | 29 | 28 | 27 | 11 | 10 | 9 | 9 | 9 | 21 | 10 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 10 | 42 | 40 | 36 | 58 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | cross | cross-on | cross-on | on | on | on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:50PM1.95m | 8:00AM1.69m | 8:25PM1.97m | 8:34AM1.66m | 9:01PM1.96m | 9:10AM1.62m | ||||||||||||||||||
Low Tide | 1:35PM0.58m | 1:42AM0.71m | 2:07PM0.59m | 2:23AM0.77m | 2:40PM0.62m | 3:05AM0.83m | ||||||||||||||||||
 | |  |  | | | |  | |  |  | | | | | |  |  |  | | | | | | |
 | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — |
 | — | 9:52 | — | — | — | — | — | — | — | 9:53 | — | — | — | — | — | — | — | 9:55 | — | — | — | — | — | 9:57 |
— | — | — | — | — | — | — | 1 | 2 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | |
Temp °C | 15 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 14 |
13 | 12 | 11 | 10 | 10 | 12 | 14 | 15 | 15 | 15 | 13 | 11 | 11 | 9 | 9 | 10 | 11 | 11 | 11 | 9 | 8 | 7 | 6 | 11 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 6 | NW 6 | NW 6 | WNW 5 | WNW 5 | W 11 | W 11 | W 11 | W 11 | WNW 10 | WNW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | — | NW 16 | WNW 15 | WNW 14 | WNW 14 | WNW 13 |
 kJ | 33 | 12 | 9 | 8 | 6 | 3 | 10 | 9 | 9 | 9 | 21 | 10 | 8 | 8 | 8 | 8 | 2 | 2 | — | 10 | 42 | 40 | 36 | 58 |
Swell 2 Height (m) Direction Period (s) | WNW 6 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | — | ESE 4 | — | — | W 5 | — | — | — | W 11 | — | WNW 4 | WNW 5 | WNW 5 | SE 3 |
| kJ | 7 | 30 | 29 | 28 | 27 | 11 | 3 | 3 | 3 | 3 | — | 1 | — | — | 1 | — | — | — | 2 | — | 2 | 2 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | N 8 | N 7 | N 7 | N 7 | N 7 | — | — | SE 4 | SE 4 | — | — | — | — | — | — | — | W 6 | — | — | W 11 | — | — | — | WNW 6 |
| kJ | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | 2 | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSE 4 | — | — | — | WNW 3 | NW 3 | NW 3 | NW 3 | NNW 3 | NNW 3 | — | — | — | — | SE 3 | — |
| kJ | — | — | — | — | — | — | — | — | 2 | — | — | — | 1 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 53 | 203 | 177 | 54 | 52 | 52 | 52 | 52 | 52 | 53 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 329 | 350 | 146 | 53 | 53 | 0 | 177 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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