Portreath Harbour Wall Surf Forecast

/ Cornwall (North) (59 surf breaks) /

UK (471 surf breaks) / Lat Long: (50.26° N 5.30° W)

Surf Forecasts:

Portreath Harbour Wall surfForecast / Cornwall (North) / UK

48hr Weather and Surf, issued 6 am Thursday 18 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Portreath Harbour Wall sea temperature is 16.4° C
(Which is slightly warmer than usual)

How big are the waves at Portreath Harbour Wall today?

The current surf forecast for Portreath Harbour Wall at 12PM is: 2.5m 11s primary swell from a West-southwest direction (forecast issued at 06:00am September 18). An open ocean swell of 0.1m 19s is not directed at the surf break, a second open ocean swell of 0.1m 16s 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)	8ft (2.5m)	12s
Afternoon (18 Sep)	8ft (2.4m)	11s
Evening (18 Sep)	7ft (2.2m)	10s

Table - waves today at Portreath Harbour Wall. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	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)	3	2	2	1	2	1	2	2	2	3	2	1	1	2	2	2	2	2	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WNW	WSW	WNW	WNW
Period(s) (?)	12	12	12	11	11	11	10	10	10	10	10	10	10	10	9	9	9	9	8	9	9	8	9	9
Wave Graph (?)
kJ (?)	2991	2560	1913	1510	1347	1080	863	811	788	821	763	692	550	452	383	367	300	294	239	203	88	449	2074	2079
Wind (km/h)	SW	SSW	SSW	SW	SSW	SSW	SSW	S	S	S	SSE	SSW	SSW	SSW	SSW	S	SSE	SSE	SSE	SSE	S	SW	WSW	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	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	off	off	cross- off	off	cross- off	cross	cross- on	cross- on
High Tide / height (m)	3:25AM 4.85				3:51PM 5.25					4:20AM 5.26				4:39PM 5.68				5:02AM 5.64				5:18PM 6.03
Low Tide / height (m)			9:52AM 1.56					10:25PM 1.19				10:43AM 1.14				11:09PM 0.82				11:22AM 0.79				11:45PM 0.53

	Thursday 18							Friday 19								Saturday 20								Sun 21
Sunrise	-	-	7:00	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	7:03	-	-	-	-	-
Sunset	-	-	-	-	-	7:29	-	-	-	-	-	-	-	7:27	-	-	-	-	-	-	-	7:24	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	17	17	18	18	17	16	16	16	15	17	18	18	16	16	16	15	15	16	17	17	15	13	13
Feels °C (?)	13	13	13	14	14	15	14	14	15	14	15	15	16	16	16	16	15	14	14	12	9	8	4	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 Cornwall (North)

Wind Update The wind is still cross-off at Portreath Harbour Wall (moderate winds from the SSW at Culdrose Airport 20 km from Portreath Harbour Wall). A 1.9m groundswell from the W
1 hour 25 minutes ago Portreath Harbour Wall

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20 km away, 1 h 25 min ago

24 km/h

SSW

0.0

16.4

Air / Water (°C)

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