Porthleven Surf Forecast

/ Cornwall (South) (25 surf breaks) /

UK (473 surf breaks) / Lat Long: (50.09° N 5.33° W)

Surf Forecasts:

Porthleven surfForecast / Cornwall (South) / UK

48hr Weather and Surf, issued 5 pm Tuesday 18 Nov 2025 GMT

Forecast update in hr min s Forecast update imminent

Porthleven surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Porthleven sea temperature is 13.7° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Porthleven today?

The current surf forecast for Porthleven at 12AM is: 1.7m 6s primary swell from a West-northwest direction and 0.3m 11s secondary swell from a West direction, 0.2m 13s secondary swell from a West-southwest direction (forecast issued at 05:00pm November 18). The wind direction is predicted to be cross-shore.

Time (GMT) & Date	Wave Height	Wave Period
Morning (19 Nov)	-	-
Afternoon (19 Nov)	4ft (1.2m)	5s
Evening (19 Nov)	4.5ft (1.4m)	6s

Table - waves today at Porthleven. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 18			Wednesday 19								Thursday 20								Friday 21
	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	2	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	WNW	WNW	WNW	NW	NW	NW	WNW	WSW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	WSW	WSW
Period(s) (?)	5	5	6	6	7	7	8	8	12	11	12	11	11	12	12	11	11	11	11	11	11	10	15	14
Wave Graph (?)
kJ (?)	61	86	119	223	410	623	699	130	45	43	44	43	65	67	67	91	91	89	116	114	82	104	133	215
Wind (km/h)	WNW	NW	WNW	NW	NNW	NNW	N	N	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	N	NNW	NNW	NNW	NNW	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- on
High Tide / height (m)		3:29PM 4.27				3:49AM 4.36				4:04PM 4.36				4:22AM 4.46				4:38PM 4.39				4:54AM 4.51
Low Tide / height (m)				10:10PM 0.65				10:29AM 0.64				10:44PM 0.58				11:03AM 0.55				11:17PM 0.55				11:38AM 0.52

	Tuesday 18			Wednesday 19								Thursday 20								Friday 21
Sunrise	-	-	-	-	-	-	7:39	-	-	-	-	-	-	-	7:41	-	-	-	-	-	-	-	7:43	-
Sunset	4:32	-	-	-	-	-	-	-	4:31	-	-	-	-	-	-	-	4:30	-	-	-	-	-	-	-

Rain (mm)	1	1	-	1	-	-	1	1	1	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	11	11	11	10	9	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8
Feels °C (?)	4	4	3	0	-2	-4	-4	-4	-4	-4	-3	-3	-4	-4	-3	-3	-3	-2	-1	-1	1	2	3	4

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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 Porthleven 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.