Seaton Surf Forecast

/ Cornwall (South) (25 surf breaks) /

UK (471 surf breaks)

Surf Forecasts:

Seaton surfForecast / Cornwall (South) / UK

48hr Weather and Surf, issued 12 am Thursday 21 Aug 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Seaton sea temperature is 17.6° C
(Which is slightly warmer than usual)

How big are the waves at Seaton today?

The current surf forecast for Seaton at 3AM is: 0.2m 6s primary swell from a East-southeast direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 12:00am August 21). The wind direction is predicted to be offshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (21 Aug)	0.5ft (0.1m)	13s
Afternoon (21 Aug)	0.5ft (0.1m)	16s
Evening (21 Aug)	1ft (0.3m)	14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Thursday 21								Friday 22								Saturday 23
	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
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	S	SW	SW	ESE	SW	WSW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Period(s) (?)	6	6	13	13	13	5	16	14	14	13	13	12	12	11	11	11	10	10	10	10	10	9	9	9
Wave Graph (?)
Energy (?)	10	13	8	11	10	4	12	23	34	50	46	63	61	54	55	57	48	44	44	38	25	30	30	30
Wind (km/h)	N	NNE	NNE	NNE	NE	S	SSW	WNW	NNW	NNW	NNW	NNW	NW	WSW	W	NW	NNW	NNW	N	NNE	SE	SSE	S	S
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	cross- off	cross- off	cross- off	cross- off	glass	on	cross	off	off	off	off	cross- off	cross- on	cross	cross- off	off	off	off	cross- off	cross- on	on	on	glass
High Tide / height (m)				5:00AM 3.82				5:22PM 4.17				5:55AM 4.07				6:09PM 4.45				6:35AM 4.29				6:47PM 4.66
Low Tide / height (m)		10:47PM 0.90				11:08AM 0.84				11:38PM 0.55				11:55AM 0.52				12:22AM 0.25				12:36PM 0.26

		Thursday 21								Friday 22								Saturday 23
Sunrise	-	-	-	6:13	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:16	-	-	-	-
Sunset	-	-	-	-	-	-	-	8:25	-	-	-	-	-	-	-	8:23	-	-	-	-	-	-	-	8:22

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	15	14	12	15	18	18	17	15	15	14	14	17	20	21	19	15	15	15	15	17	18	19	19
Feels °C (?)	15	12	11	9	12	17	15	15	12	12	11	12	16	18	17	15	13	13	14	14	16	16	18	19

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 Cornwall (South)

Wind Update Cross-off wind 19 km from Seaton has become light (light winds from the NE at Plymouth-MountBatten). Waves should be turning clean at Seaton. 0.1m 6s windswell from the SW to make surfable waves.
52 minutes ago Seaton

Expand

View all

19 km away, 52 min ago

9 km/h

0.0

17.6

Air / Water (°C)

Please reload the page to see if there are any updates.

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 Seaton 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.