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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 6 am Tuesday 19 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
10.2° C
(Which is normal for this time of year)How big are the waves at Portballintrae today?
The current surf forecast for Portballintrae at 12PM is: 0.4m 10s primary swell from a Northwest direction and 0.1m 14s secondary swell from a Northwest direction (forecast issued at 06:00am May 19). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 1.5ft (0.4m) | 10s |
| Afternoon (19 May) | 1ft (0.3m) | 9s |
| Evening (19 May) | 0.5ft (0.2m) | 16s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Tue morning. Very mild (max 19°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 10 | WNW 10 | WNW 10 | NW 9 | WNW 9 | WNW 9 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | W 12 | WNW 12 | WNW 12 | NW 8 | NW 8 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | |
65 | 38 | 37 | 23 | 16 | 17 | 26 | 98 | 246 | 242 | 213 | 149 | 137 | 133 | 87 | 73 | 47 | 46 | 54 | 40 | 39 | 23 | 23 | 22 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross-on | on | on | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:08AM1.99m | 9:22PM2.08m | 10:04AM1.82m | 10:18PM1.98m | 11:09AM1.64m | 11:35PM1.87m | ||||||||||||||||||
Low Tide | 2:48AM0.37m | 2:53PM0.40m | 3:48AM0.50m | 3:40PM0.52m | 5:11AM0.63m | 4:31PM0.66m | ||||||||||||||||||
 |  | |  |  | | | |  | |  |  | | |  | | | | | | | | | | |
 | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | 5:05 |
 | — | — | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:36 | — | — | — | — | — | — | — | 9:37 | — | 9:38 |
1 | — | — | 2 | 1 | 2 | 1 | 2 | — | — | — | — | — | — | — | — | — | 2 | — | — | — | 2 | 2 | — | |
Temp °C | 11 | 12 | 12 | 12 | 14 | 12 | 11 | 11 | 9 | 10 | 12 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 14 | 16 | 19 | 16 | 15 | 13 |
6 | 8 | 7 | 7 | 11 | 10 | 10 | 8 | 5 | 5 | 7 | 9 | 9 | 10 | 11 | 10 | 8 | 8 | 12 | 13 | 17 | 14 | 12 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | NW 9 | ESE 6 | SE 5 | ESE 4 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | W 12 | WNW 12 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 |
 kJ | 65 | 38 | 37 | 23 | 6 | 7 | 1 | 98 | 246 | 242 | 213 | 149 | 137 | 133 | 87 | 73 | 47 | 35 | 54 | 40 | 28 | 19 | 12 | 11 |
Swell 2 Height (m) Direction Period (s) | — | W 15 | W 15 | NW 14 | WNW 9 | WNW 9 | WNW 16 | WNW 10 | WNW 10 | — | — | — | — | WNW 5 | WNW 5 | NW 6 | NW 6 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | — | 4 | 4 | 8 | 16 | 16 | 26 | 18 | 20 | — | — | — | — | 17 | 10 | 8 | 9 | 46 | 25 | 23 | 39 | 23 | 23 | 22 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 13 | WNW 13 | WNW 13 | ESE 4 | — | — | — | — | — | — | — | — | — | — | ESE 3 | SE 3 | — | — | — | SE 5 |
| kJ | — | — | — | — | 7 | 17 | 17 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | SE 6 | — | — | — | — | SSE 4 | S 2 | WSW 3 | WNW 7 | WNW 4 | — | — | — | — | SE 2 | SSW 2 | S 3 | S 3 | — | SSE 4 | — |
| kJ | 97 | 36 | 21 | 15 | — | — | — | — | 2 | 1 | 5 | 60 | 16 | — | — | — | — | 1 | 1 | 1 | 1 | — | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 39 | 103 | 81 | 53 | 53 | 0 | 3 | 7 | 3 | 177 | 170 | 55 | 7 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 52 | 52 | 70 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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