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Surf Forecasts:
Portballintrae surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 12 am Tuesday 21 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
9.0° C
(Which is normal for this time of year)How big are the waves at Portballintrae today?
The current surf forecast for Portballintrae at 9AM is: 0.8m 15s primary swell from a Northwest direction and 0.2m 6s secondary swell from a North-northwest direction (forecast issued at 12:00am April 21). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 2.5ft (0.8m) | 15s |
| Afternoon (21 Apr) | 3ft (0.9m) | 14s |
| Evening (21 Apr) | 2.5ft (0.7m) | 13s |
Table - waves today at Portballintrae. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 12 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 194 | 158 | 142 | 103 | 266 | 301 | 272 | 212 | 175 | 130 | 98 | 69 | 34 | 31 | 30 | 11 | 10 | 10 | 4 | 4 | 3 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off |
High Tide / height (m) | 9:29PM 2.02 | 10:12AM 1.90 | 10:21PM 1.88 | 11:18AM 1.67 | 11:33PM 1.73 | 12:59PM 1.51 | ||||||||||||||||||
Low Tide / height (m) | 3:47AM 0.48 | 3:56PM 0.59 | 4:56AM 0.68 | 4:47PM 0.77 | 7:22AM 0.79 | 5:49PM 0.92 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:43 | - | - | - | - | - | - | - | 8:45 |
 | |  |  |  | | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 7 | 7 | 6 | 6 | 9 | 11 | 11 | 9 | 7 | 6 | 6 | 7 | 9 | 11 | 11 | 10 | 8 | 7 | 6 | 8 | 10 | 12 | 11 |
| Feels °C (?) | 6 | 1 | 1 | 0 | -1 | 3 | 6 | 7 | 3 | 0 | -1 | -1 | -1 | 2 | 5 | 6 | 5 | 3 | 3 | 2 | 3 | 4 | 7 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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