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Portstewart Strand Surf Forecast
/ Londonderry (4 surf breaks) /
Surf Forecasts
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Portstewart Strand surf Forecast / Londonderry / Ireland
48hr Weather and Surf, issued 12 am Friday 17 May 2024 BST
Forecast update in hr min s 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 11.4°C (Statistics for 17 May 1981-2005 - mean: 10.5 °C max: 11.7 °C min: 9.2 °C)
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 11.4°C (Statistics for 17 May 1981-2005 - mean: 10.5 °C max: 11.7 °C min: 9.2 °C)
How big are the waves at Portstewart Strand today?
The current surf forecast for Portstewart Strand at 3AM is: 0.6m 5s primary swell from a North-northwest direction and 0.1m 12s secondary swell from a Northwest direction (forecast issued at 12:00am May 17). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.8m) | 6s |
| Afternoon (17 May) | 2.5ft (0.8m) | 6s |
| Evening (17 May) | 3ft (0.9m) | 6s |
Table - waves today at Portstewart Strand. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |  |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 6 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 6 | 7 | 6 | 8 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 6 | 8 | 18 | 37 | 56 | 62 | 49 | 60 | 62 | 69 | 80 | 96 | 90 | 64 | 57 | 39 | 27 | 21 | 20 | 20 | 29 | 35 | 43 | 42 | 32 | 31 | 31 | 16 | 15 | 14 | 25 | 32 | 41 | 40 | 31 | 31 | 30 | 30 | 31 | 16 | 16 | 38 | 35 | 55 | 64 | 199 | 418 | 819 | 1151 | 1283 | 1189 | 891 | 634 | 411 | 265 | 133 | 93 | 54 | 44 | 114 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | glass | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | off | cross | cross | cross | on | on | on | on | on | cross- on | on | on | on | on | on | on | on | on | glass | off | off |
High Tide / height (m) | 3:06AM 1.39 | 3:32PM 1.09 | 3:53AM 1.46 | 4:15PM 1.20 | 4:28AM 1.52 | 4:49PM 1.32 | 5:00AM 1.58 | 5:20PM 1.43 | 5:31AM 1.62 | 5:51PM 1.54 | 6:02AM 1.65 | 6:23PM 1.62 | 6:35AM 1.65 | 6:56PM 1.68 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 8:03PM 0.60 | 9:42AM 0.60 | 9:10PM 0.55 | 10:25AM 0.51 | 10:04PM 0.49 | 10:59AM 0.42 | 10:49PM 0.42 | 11:29AM 0.34 | 11:28PM 0.36 | 11:59AM 0.28 | 12:05AM 0.31 | 12:28PM 0.24 | 12:41AM 0.28 | 12:57PM 0.22 | 1:17AM 0.27 | |||||||||||||||||||||||||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 |
| Sunset | - | - | - | - | - | - | - | 9:32 | - | - | - | - | - | - | - | 9:35 | - | - | - | - | - | - | - | 9:37 | - | - | - | - | - | - | - | 9:37 | - | - | - | - | - | - | - | 9:39 | - | - | - | - | - | - | - | 9:42 | - | - | - | - | - | - | - | 9:43 | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 14 | 16 | 16 | 14 | 12 | 10 | 9 | 12 | 14 | 15 | 16 | 14 | 12 | 12 | 11 | 12 | 12 | 14 | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
| Feels °C (?) | 9 | 10 | 9 | 9 | 9 | 11 | 10 | 9 | 8 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 12 | 14 | 13 | 12 | 10 | 8 | 6 | 10 | 11 | 12 | 15 | 13 | 11 | 11 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 5 | 5 | 5 | 5 | 5 | 6 | 8 | 7 | 6 | 5 |
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