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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 12 pm Friday 29 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
10.9° C
(Which is normal for this time of year)How big are the waves at Portballintrae today (29 May):
- Morning surf: Morning surf (29 May, local time) - 1ft (0.3m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 2ft (0.6m), 9s period with WNW swell.
- Evening surf: Evening surf (29 May, local time) - 2.5ft (0.8m), 8s period with WNW swell.
The current surf forecast for Portballintrae at 6PM is: 0.8m 9s primary swell from a West-northwest direction and 0.1m 12s secondary swell from a West direction, 0.7m 4s secondary swell from a West direction (forecast issued at 12:00pm May 29). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 1ft (0.3m) | 9s |
| Afternoon (29 May) | 2ft (0.6m) | 9s |
| Evening (29 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sat morning. Very mild (max 16°C on Fri afternoon, min 11°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 9 | W 8 | WNW 9 | WNW 8 | WNW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | NW 7 | NW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | |
33 | 89 | 59 | 103 | 88 | 67 | 65 | 40 | 37 | 26 | 17 | 50 | 48 | 29 | 33 | 33 | 30 | 32 | 33 | 30 | 29 | 28 | 27 | 14 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | on | on | glassy | off | off | off | |
High Tide | 6:40PM1.79m | 6:55AM1.70m | 7:14PM1.88m | 7:27AM1.70m | 7:50PM1.95m | |||||||||||||||||||
Low Tide | 12:37PM0.62m | 00:19AM0.66m | 1:05PM0.59m | 1:00AM0.67m | 1:35PM0.58m | 1:42AM0.71m | ||||||||||||||||||
 | |  | |  |  | | | |  | |  |  | |  | |  | | | | | | | | |
 | 4:56 | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — |
 | — | — | — | 9:50 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:52 | — | — | — | 9:53 |
— | — | — | — | — | — | — | — | — | 3 | 2 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | 3 | |
Temp °C | 15 | 15 | 16 | 16 | 15 | 13 | 12 | 13 | 13 | 11 | 13 | 13 | 14 | 12 | 11 | 12 | 14 | 15 | 14 | 14 | 12 | 11 | 11 | 11 |
10 | 11 | 13 | 13 | 14 | 10 | 9 | 10 | 9 | 6 | 9 | 10 | 12 | 9 | 8 | 9 | 10 | 12 | 12 | 11 | 11 | 9 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | NW 9 | WNW 9 | WNW 8 | WNW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | NW 7 | NW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 6 | WNW 6 | NW 6 | WNW 5 |
 kJ | 33 | 14 | 59 | 103 | 88 | 67 | 65 | 40 | 37 | 26 | 13 | 50 | 48 | 29 | 33 | 33 | 30 | 32 | 33 | 30 | 13 | 12 | 8 | 6 |
Swell 2 Height (m) Direction Period (s) | W 15 | W 13 | W 13 | W 12 | — | — | — | W 16 | W 16 | W 15 | W 10 | NW 7 | WNW 7 | WNW 7 | WNW 7 | NW 7 | WNW 6 | N 10 | WNW 6 | N 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | 5 | 4 | 3 | 3 | — | — | — | 5 | 5 | 4 | 8 | 12 | 5 | 5 | 5 | 2 | 3 | 2 | 6 | 1 | 29 | 28 | 27 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | W 13 | W 12 | — | — | — | — | W 11 | W 10 | WNW 13 | N 10 | N 10 | N 9 | — | N 10 | N 10 | — | N 8 | — | N 7 | N 7 | — | — |
| kJ | — | — | 3 | 3 | — | — | — | — | 2 | 2 | 17 | 2 | 2 | 2 | — | 2 | 2 | — | 1 | — | 1 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | W 8 | W 4 | — | — | — | — | — | — | — | SSE 2 | SSE 2 | — | — | — | S 3 | — | WNW 6 | WNW 3 | WNW 6 | — | — | — | — |
| kJ | 4 | 89 | 14 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 1 | — | 7 | 1 | 11 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 403 | 7 | 203 | 203 | 0 | 0 | 0 | 0 | 54 | 99 | 70 | 3 | 0 | 53 | 53 | 53 | 53 | 298 | 388 | 170 | 0 | 0 | 52 | 52 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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