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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 12 pm Saturday 09 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
9.8° 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: 1.5m 6s primary swell from a North-northwest direction and 0.2m 11s secondary swell from a West-northwest direction (forecast issued at 12:00pm May 09). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 3ft (0.9m) | 10s |
| Afternoon (09 May) | 5ft (1.5m) | 5s |
| Evening (09 May) | 5ft (1.5m) | 6s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon night. Very mild (max 10°C on Mon night, min 7°C on Sat morning). Winds decreasing (fresh winds from the N on Sat morning, light winds from the WNW by Mon afternoon). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 10 | NNW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NW 7 | NW 7 | NW 8 | NW 7 | NW 7 | NW 8 | NNW 8 | NNW 8 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | |
145 | 117 | 126 | 154 | 118 | 102 | 84 | 55 | 26 | 56 | 65 | 108 | 118 | 140 | 159 | 171 | 197 | 167 | 153 | 142 | 172 | 202 | 216 | 275 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 2:45PM1.28m | 2:39AM1.64m | 3:48PM1.32m | 3:29AM1.70m | 4:34PM1.39m | 4:11AM1.79m | ||||||||||||||||||
Low Tide | 8:40AM0.96m | 8:00PM1.01m | 9:35AM0.88m | 9:13PM0.95m | 10:19AM0.79m | 9:58PM0.85m | ||||||||||||||||||
 | | | |  | | | | | | |  |  | | |  | | | | | | |  | | |
 | 5:28 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — |
 | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:20 | — | — | — | 9:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 7 | 8 | 8 | 10 | 9 | 10 | 9 |
-1 | -1 | 0 | -1 | 0 | 0 | 1 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 3 | 5 | 6 | 4 | 4 | 1 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | WNW 12 | WNW 12 | WNW 11 | NNW 9 | WNW 11 | WNW 11 | NNW 5 | NNW 8 | WNW 10 | W 10 | W 10 | W 10 | NW 7 | NW 8 | — | — | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | — |
 kJ | 145 | 13 | 13 | 12 | 28 | 11 | 11 | 55 | 13 | 9 | 7 | 7 | 2 | 140 | 159 | — | — | 167 | 153 | 142 | 172 | 202 | 216 | — |
Swell 2 Height (m) Direction Period (s) | WNW 12 | — | — | — | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NW 8 | — | — | — | — | W 10 | — | — | — | NW 15 | — | NW 14 | — | — | — | — |
| kJ | 14 | — | — | — | 11 | 11 | 11 | 11 | 9 | — | — | — | — | 2 | — | — | — | 8 | — | 7 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 8 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 3 | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | — | NNW 5 | NW 7 | NW 7 | NW 8 | NW 7 | — | — | NNW 8 | NNW 8 | — | — | — | — | — | — | NW 8 |
| kJ | 73 | 117 | 126 | 154 | 118 | 102 | 84 | — | 26 | 56 | 65 | 108 | 118 | — | — | 171 | 197 | — | — | — | — | — | — | 275 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 430 | 430 | 775 | 345 | 388 | 388 | 58 | 140 | 140 | 421 | 363 | 329 | 329 | 140 | 326 | 55 | 112 | 140 | 53 | 7 | 267 | 287 | 324 | 324 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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