Surf Forecasts:
How big are the waves at Portstewart Strand today (06 Aug):
- Morning surf: Morning surf (06 Aug, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (06 Aug, local time) - 2.5ft (0.7m), 6s period with NNW swell.
- Evening surf: Evening surf (06 Aug, local time) - 1.5ft (0.4m), 6s period with NNW swell.
The current surf forecast for Portstewart Strand at 3AM is: 1.6m 7s primary swell from a North-northwest direction and 0.1m 10s secondary swell from a West direction (forecast issued at 12:00am August 06). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Aug) | 3.5ft (1.1m) | 6s |
| Afternoon (06 Aug) | 2.5ft (0.7m) | 6s |
| Evening (06 Aug) | 1.5ft (0.4m) | 6s |
Table - waves today at Portstewart Strand. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 17°C on Fri morning, min 11°C on Thu night). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the SW by Thu afternoon). | ||||||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | ||||||||||||||||||||||
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 | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NNW 8 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 5 | NW 5 | NW 5 | NW 8 | WNW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 310 | 208 | 142 | 78 | 58 | 30 | 21 | 6 | 7 | 9 | 7 | 57 | 129 | 235 | 314 | 314 | 246 | 211 | 211 | 211 | 216 | 220 | 164 | 151 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross |
High Tide | 11:20PM1.51m | 11:47AM1.27m | 00:27AM1.37m | 1:17PM1.21m | 2:09AM1.28m | 3:06PM1.28m | ||||||||||||||||||
Low Tide | 5:49AM0.51m | 5:54PM0.53m | 7:03AM0.58m | 7:32PM0.61m | 8:43AM0.59m | 9:35PM0.57m | ||||||||||||||||||
 |  |  |  | | | |  | | | |  | | | | | | | | | |  | | | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:21 | — | — | — | — | — | — | — | 9:19 | — | — | — | — | — | — | — | 9:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 13 | 12 | 12 | 14 | 16 | 16 | 16 | 15 | 14 | 12 | 11 | 14 | 17 | 17 | 16 | 15 | 13 | 12 | 12 | 15 | 17 | 17 | 16 | 16 |
Feels °C | 8 | 7 | 8 | 11 | 12 | 12 | 14 | 13 | 11 | 9 | 8 | 10 | 13 | 13 | 12 | 11 | 9 | 8 | 9 | 12 | 14 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | W 10 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 5 | NW 5 | NW 5 | NW 8 | WNW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 9 |
| kJ | — | 2 | 142 | 78 | 58 | 30 | 21 | 6 | 7 | 9 | 7 | 57 | 129 | 235 | 314 | 314 | 246 | 211 | 211 | 211 | 216 | 220 | 164 | 151 |
Swell 2 Height (m) Direction Period (s) | — | — | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 5 | NNW 6 | NW 9 | NW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | 2 | 2 | 2 | 2 | 5 | 6 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 10 | NW 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 7 | — | — | — | — | — | — | — | SW 2 | SW 2 | SW 2 | WSW 3 | W 3 | — | SW 3 | SW 2 | SW 2 | SW 3 | SW 3 | SSW 2 | S 2 | — | S 2 |
| kJ | 310 | 208 | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 4 | — | 1 | 1 | 2 | 2 | 2 | 1 | 1 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 772 | 628 | 189 | 189 | 54 | 73 | 174 | 280 | 43 | 186 | 174 | 174 | 156 | 189 | 7 | 7 | 2 | 7 | 2 | 2 | 2 | 2 | 2 | 7 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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