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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 6 pm 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 12AM is: 0.4m 16s primary swell from a West-northwest direction and 0.3m 10s secondary swell from a West-northwest direction (forecast issued at 06:00pm May 19). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.8m) | 14s |
| Afternoon (20 May) | 2ft (0.6m) | 13s |
| Evening (20 May) | 1.5ft (0.5m) | 13s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Tue afternoon. Very mild (max 19°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 9 | WNW 9 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | W 12 | WNW 12 | WNW 12 | NW 9 | NW 8 | NW 8 | WNW 11 | WNW 11 | WNW 11 | NW 7 | W 11 | WNW 11 | WNW 12 | W 11 | |
16 | 17 | 26 | 98 | 209 | 242 | 233 | 149 | 137 | 96 | 78 | 48 | 47 | 61 | 55 | 53 | 39 | 23 | 23 | 11 | 9 | 12 | 26 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:22PM2.08m | 10:04AM1.82m | 10:18PM1.98m | 11:09AM1.64m | 11:35PM1.87m | 12:31PM1.49m | ||||||||||||||||||
Low Tide | 2:53PM0.40m | 3:48AM0.50m | 3:40PM0.52m | 5:11AM0.63m | 4:31PM0.66m | 7:12AM0.69m | ||||||||||||||||||
 |  |  | |  |  |  |  | | |  | | | | |  | | | | | | | | | |
 | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:05 | — | — | — |
 | — | 9:34 | — | — | — | — | — | — | — | 9:36 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | 9:38 |
1 | 3 | 2 | 1 | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | 2 | 1 | — | — | — | — | — | |
Temp °C | 14 | 12 | 11 | 10 | 8 | 9 | 11 | 13 | 15 | 14 | 13 | 12 | 12 | 12 | 15 | 16 | 19 | 15 | 15 | 14 | 14 | 13 | 14 | 16 |
11 | 9 | 9 | 8 | 4 | 5 | 6 | 7 | 10 | 12 | 11 | 9 | 8 | 8 | 12 | 13 | 16 | 13 | 12 | 10 | 9 | 8 | 10 | 12 | |
Swell 1 Height (m) Direction Period (s) | ESE 6 | WNW 9 | ESE 4 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 6 | WNW 6 | WNW 6 | WNW 12 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 6 | WNW 12 | ESE 4 |
 kJ | 6 | 16 | 1 | 98 | 209 | 242 | 233 | 149 | 137 | 29 | 22 | 23 | 47 | 61 | 55 | 53 | 29 | 19 | 13 | 11 | 7 | 4 | 26 | 2 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | ESE 6 | WNW 16 | WNW 10 | WNW 10 | — | — | — | — | WNW 13 | W 12 | WNW 12 | NW 6 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | W 11 | W 11 | WNW 11 | WNW 6 | WNW 6 |
| kJ | 16 | 6 | 26 | 18 | 20 | — | — | — | — | 96 | 78 | 48 | 9 | 46 | 25 | 23 | 39 | 23 | 23 | 9 | 9 | 12 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | NW 13 | WNW 13 | WNW 13 | W 12 | SE 7 | — | — | — | — | — | — | — | WNW 7 | — | — | — | — | — | SE 5 | — | — | — | — | W 11 |
| kJ | 7 | 17 | 17 | 3 | 2 | — | — | — | — | — | — | — | 10 | — | — | — | — | — | 1 | — | — | — | — | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 4 | — | S 2 | WSW 2 | W 6 | WNW 6 | — | — | — | — | SSE 2 | SSE 2 | SSE 2 | SSE 3 | — | — | SE 3 | SE 3 | ESE 4 | SE 4 | SSE 2 |
| kJ | — | — | — | 1 | — | 1 | 2 | 24 | 30 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | 1 | 2 | 5 | 5 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 53 | 52 | 0 | 3 | 0 | 3 | 265 | 203 | 55 | 7 | 0 | 8 | 3 | 3 | 3 | 74 | 3 | 52 | 99 | 70 | 99 | 70 | 70 | 70 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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