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Portslade Surf Forecast
/ South Coast (36 surf breaks) /
Surf Forecasts:
Portslade surfForecast / South Coast / UK
48hr Weather and Surf, issued 6 pm Wednesday 17 Sep 2025 BST
How big are the waves at Portslade today?
The current surf forecast for Portslade at 12AM is: 1.7m 6s primary swell from a Southwest direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 4.5ft (1.4m) | 6s |
| Afternoon (18 Sep) | 4.5ft (1.4m) | 6s |
| Evening (18 Sep) | 3ft (0.9m) | 6s |
Table - waves today at Portslade. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 396 | 321 | 273 | 226 | 196 | 167 | 124 | 136 | 120 | 77 | 40 | 28 | 18 | 21 | 17 | 15 | 15 | 15 | 15 | 34 | 33 | 33 | 23 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | on | on | glass | glass | glass | glass | glass | on | on |
High Tide / height (m) | 9:09PM 4.94 | 9:48AM 5.19 | 10:12PM 5.26 | 10:42AM 5.51 | 11:01PM 5.58 | 11:25AM 5.78 | ||||||||||||||||||
Low Tide / height (m) | 2:55PM 1.95 | 3:27AM 1.65 | 4:02PM 1.67 | 4:26AM 1.35 | 4:53PM 1.36 | 5:12AM 1.08 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:43 | - | - |
| Sunset | - | 7:10 | - | - | - | - | - | - | - | 7:08 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - |
 |  |  | | | | | | |  |  | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 20 | 21 | 21 | 20 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 18 | 18 | 19 | 21 | 20 | 19 | 18 | 19 | 17 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for South Coast
The wind is still cross-on at Portslade (fresh winds from the SW at ShorehamAirport 4 km from Portslade). A 1.9m swell from the WSW
1 h 10 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Portslade surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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