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Portinfer surfForecast / Guernsey / UK
48hr Weather and Surf, issued 6 am Thursday 18 Sep 2025 BST
How big are the waves at Portinfer today?
The current surf forecast for Portinfer at 1PM is: 1.8m 12s primary swell from a West direction (forecast issued at 06:00am September 18). An open ocean swell of 0.5m 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 (18 Sep) | 7ft (2.1m) | 12s |
| Afternoon (18 Sep) | 5.5ft (1.7m) | 12s |
| Evening (18 Sep) | 5ft (1.5m) | 11s |
Table - waves today at Portinfer. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 7 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1547 | 1424 | 1122 | 887 | 736 | 607 | 515 | 505 | 392 | 327 | 318 | 371 | 379 | 327 | 273 | 268 | 220 | 207 | 203 | 222 | 160 | 129 | 737 | 1604 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross | cross | cross | cross | off | off | cross- off | cross- off | on | on | on | cross | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 5:02AM 6.09 | 5:24PM 6.56 | 5:55AM 6.66 | 6:10PM 7.13 | 6:35AM 7.19 | 6:48PM 7.60 | ||||||||||||||||||
Low Tide / height (m) | 11:19AM 2.27 | 11:51PM 1.70 | 12:10PM 1.70 | 12:34AM 1.17 | 12:48PM 1.20 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:14 | - | - |
 |  |  |  | | |  | | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 19 | 21 | 20 | 17 | 17 | 17 | 17 | 18 | 19 | 21 | 18 | 15 | 15 |
| Feels °C (?) | 14 | 15 | 16 | 16 | 19 | 19 | 18 | 18 | 17 | 16 | 14 | 15 | 18 | 17 | 16 | 17 | 17 | 14 | 14 | 17 | 18 | 8 | 5 | 5 |
- Map Icons:
Break
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 Guernsey
Still cross-shore at Portinfer (light winds from the SW at Guernsey Airport 7 km from Portinfer). A 1.6m groundswell from the W
1 h 47 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 Portinfer 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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