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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 12 pm Thursday 30 Apr 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
9.6° 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: 1.2m 13s primary swell from a Northwest direction (forecast issued at 12:00pm April 30). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 4.5ft (1.3m) | 14s |
| Afternoon (30 Apr) | 4ft (1.2m) | 14s |
| Evening (30 Apr) | 3.5ft (1.1m) | 13s |
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 Thu night. Very mild (max 16°C on Fri afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the SE on Thu morning, calm by Sat morning). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | |
650 | 565 | 518 | 488 | 374 | 369 | 341 | 278 | 232 | 228 | 185 | 176 | 172 | 169 | 163 | 163 | 187 | 184 | 170 | 170 | 173 | 167 | 160 | 136 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 6:56PM1.83m | 7:10AM1.86m | 7:29PM1.91m | 7:41AM1.83m | 8:02PM1.95m | |||||||||||||||||||
Low Tide | 12:58PM0.51m | 00:35AM0.45m | 1:25PM0.48m | 1:13AM0.44m | 1:54PM0.48m | 1:51AM0.50m | ||||||||||||||||||
 | | | |  |  |  |  | |  | | | | |  | | |  | | | | | | | |
 | 5:48 | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — |
 | — | — | — | 8:59 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:02 | — | — | — | 9:05 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | |
Temp °C | 10 | 13 | 14 | 15 | 14 | 13 | 11 | 10 | 12 | 14 | 15 | 16 | 14 | 11 | 10 | 9 | 11 | 13 | 13 | 12 | 12 | 10 | 10 | 9 |
4 | 6 | 8 | 11 | 11 | 9 | 8 | 7 | 9 | 11 | 14 | 15 | 13 | 10 | 8 | 7 | 9 | 13 | 11 | 10 | 10 | 7 | 7 | 5 | |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 |
 kJ | 650 | 565 | 518 | 488 | 374 | 369 | 341 | 278 | 232 | 228 | 185 | 176 | 172 | 169 | 163 | 163 | 187 | 184 | 170 | 170 | 173 | 167 | 160 | 136 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 5 | ESE 3 | ESE 4 | ESE 4 | ESE 4 | SE 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | ESE 4 | ESE 4 | SE 4 | ESE 4 | SE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 3 | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 24 | 31 | 14 | 6 | 4 | 7 | 7 | 5 | 1 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 54 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 54 | 52 | 0 | 0 | 0 | 20 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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