Porthtowan Surf Forecast

/ Cornwall (North) (60 surf breaks) /

UK (473 surf breaks) / Lat Long: (50.28° N 5.25° W)

Surf Forecasts:

Porthtowan surfForecast / Cornwall (North) / UK

48hr Weather and Surf, issued 11 am Friday 31 Oct 2025 GMT

Forecast update in hr min s Forecast update imminent

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

Today's Porthtowan sea temperature is 14.5° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 5PM is: 4.0m 14s primary swell from a West direction and 2.4m 9s secondary swell from a South-southwest direction (forecast issued at 11:00am October 31). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (GMT) & Date	Wave Height	Wave Period
Morning (31 Oct)	13ft (4.0m)	15s
Afternoon (31 Oct)	15ft (4.5m)	14s
Evening (31 Oct)	15ft (4.5m)	13s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Friday 31					Saturday 01								Sunday 02								Monday 03
	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	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM
Rating (10 max)	!	!	!	!	0	0	0	0	!	0	0	2	1	0	0	0	0	0	0	1	1	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	WSW	W	W	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	WSW	W	W	WSW	W	WSW	SW	WSW
Period(s) (?)	15	15	14	14	13	12	12	12	11	11	11	11	11	10	11	11	11	10	10	10	10	8	8	9
Wave Graph (?)
kJ (?)	7321	11360	7432	5415	7134	6135	5811	4681	3564	2573	2388	2032	2108	2690	2669	2380	2301	1632	1461	1042	936	920	842	1747
Wind (km/h)	S	SSW	SSW	SSW	SSW	SW	SW	SW	WSW	W	WSW	WSW	SW	SW	W	WNW	WNW	W	W	SW	SW	SW	SW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross- on	cross- on	cross	cross	cross	cross- on	on	cross- on	cross- on	cross- on	cross	cross	cross	cross	cross
High Tide / height (m)			12:16PM 4.66				12:59AM 4.65				1:25PM 5.08				1:59AM 5.15				2:19PM 5.60				2:48AM 5.70
Low Tide / height (m)	6:07AM 2.13				6:55PM 1.83				7:20AM 1.78				7:56PM 1.37				8:16AM 1.31				8:46PM 0.85

	Friday 31					Saturday 01								Sunday 02								Monday 03
Sunrise	7:07	-	-	-	-	-	-	-	7:09	-	-	-	-	-	-	-	7:11	-	-	-	-	-	-	-
Sunset	-	-	4:59	-	-	-	-	-	-	-	4:58	-	-	-	-	-	-	-	4:55	-	-	-	-	-

Rain (mm)	1	-	-	-	1	1	-	1	1	1	-	-	-	3	3	1	-	-	-	-	-	-	-	-
Temp. °C	15	15	15	14	14	13	12	12	12	12	11	11	11	10	10	10	11	12	12	12	13	13	14	14
Feels °C (?)	7	8	9	7	4	3	4	4	7	6	5	5	4	2	3	3	4	5	5	6	7	6	7	6

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

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