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Portstewart Strand Surf Forecast
/ Londonderry (4 surf breaks) /
Surf Forecasts:
Portstewart Strand surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 6 pm Tuesday 05 May 2026 BSTForecast update in hr min s Forecast update imminent
Portstewart Strand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portstewart Strand sea temperature is
10.3° C
(Which is slightly warmer than usual)How big are the waves at Portstewart Strand today?
The current surf forecast for Portstewart Strand at 12AM is: 1.2m 7s primary swell from a North-northwest direction and 1.0m 6s secondary swell from a North direction, 0.6m 9s secondary swell from a Northwest direction (forecast issued at 06:00pm May 05). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 1.5ft (0.5m) | 8s |
| Afternoon (06 May) | 1.5ft (0.5m) | 8s |
| Evening (06 May) | 1.5ft (0.4m) | 8s |
Table - waves today at Portstewart Strand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 14°C on Thu afternoon, min 5°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 7 | NNW 7 | NNW 7 | N 6 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NNW 9 | NW 7 | WNW 7 | NW 9 | NW 10 | NW 9 | NW 9 | NW 8 | NW 8 | NNW 13 | NNW 13 | |
104 | 135 | 121 | 66 | 61 | 37 | 35 | 34 | 32 | 31 | 17 | 16 | 16 | 16 | 12 | 21 | 118 | 177 | 141 | 115 | 84 | 102 | 102 | 195 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on | on | |
High Tide | 8:55PM1.58m | 9:03AM1.36m | 9:34PM1.48m | 9:38AM1.26m | 10:20PM1.38m | 10:20AM1.16m | ||||||||||||||||||
Low Tide | 2:45PM0.35m | 3:27AM0.48m | 3:18PM0.42m | 4:10AM0.60m | 3:57PM0.50m | 5:09AM0.70m | ||||||||||||||||||
 | |  |  | |  |  | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — |
 | — | 9:08 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — | — | — | — | — | 9:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 8 | 8 | 7 | 7 | 6 | 6 | 7 | 9 | 12 | 10 | 7 | 6 | 5 | 6 | 10 | 13 | 14 | 12 | 9 | 8 | 7 | 7 | 9 | 10 |
1 | 1 | 1 | 4 | 2 | 3 | 4 | 5 | 7 | 6 | 5 | 2 | 1 | 2 | 5 | 8 | 9 | 8 | 6 | 4 | 3 | 3 | 4 | 5 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 9 | N 6 | NNW 6 | NNW 6 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NNW 9 | NW 7 | WNW 7 | NW 9 | NW 10 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NNW 13 |
 kJ | 26 | 34 | 40 | 66 | 48 | 25 | 35 | 34 | 32 | 31 | 16 | 16 | 16 | 16 | 12 | 21 | 118 | 177 | 141 | 115 | 84 | 102 | 80 | 195 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 9 | NW 9 | NW 9 | N 5 | NNW 5 | ESE 4 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | WNW 8 | NNW 9 | NNW 9 | — | SE 5 | ESE 5 | SE 5 | NNW 14 | NW 14 | NNW 13 | NW 8 |
| kJ | — | — | — | 64 | 61 | 37 | 13 | 6 | 4 | 17 | 17 | 16 | 16 | 6 | 8 | 8 | — | 1 | 2 | 1 | 20 | 51 | 102 | 84 |
Swell 3 Height (m) Direction Period (s) | — | — | — | N 12 | N 12 | N 11 | NNW 10 | NNW 9 | NNW 9 | ESE 4 | ESE 4 | E 4 | — | — | — | NW 10 | — | — | — | NW 14 | — | W 15 | — | — |
| kJ | — | — | — | 3 | 11 | 9 | 18 | 17 | 28 | 3 | 2 | 1 | — | — | — | 4 | — | — | — | 7 | — | 4 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | — | — | — | E 3 | ESE 4 | SSE 3 | — | — | — | — | — | — | SSE 3 | — | — | — | SSE 4 | — | — | — | — |
| kJ | 104 | 135 | 121 | — | — | — | 2 | 4 | 1 | — | — | — | — | — | — | 1 | — | — | — | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 349 | 340 | 68 | 23 | 2 | 0 | 0 | 6 | 0 | 14 | 29 | 29 | 42 | 42 | 46 | 43 | 7 | 2 | 2 | 2 | 2 | 2 | 254 | 302 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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