Porthjoke Surf Forecast

/ Cornwall (North) (59 surf breaks) /

UK (471 surf breaks)

Surf Forecasts:

Porthjoke surfForecast / Cornwall (North) / UK

48hr Weather and Surf, issued 6 pm Wednesday 17 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Porthjoke sea temperature is 16.9° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Porthjoke today?

The current surf forecast for Porthjoke at 8PM is: 3.0m 12s primary swell from a West direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be cross-shore.

Time (BST) & Date	Wave Height	Wave Period
Morning (17 Sep)	-	-
Afternoon (17 Sep)	10ft (3.0m)	10s
Evening (17 Sep)	10ft (3.0m)	12s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 17			Thursday 18								Friday 19								Saturday 20
	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	4 AM	7 AM	10 AM	1 PM
Rating (10 max)	0	1	1	1	2	2	2	1	1	1	2	2	2	2	1	1	1	2	2	2	2	2	2	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W
Period(s) (?)	10	12	12	12	12	12	12	11	11	11	10	10	10	10	10	10	10	10	10	10	9	10	10	9
Wave Graph (?)
kJ (?)	2051	2725	2716	2548	2119	1902	1543	1276	1144	1007	799	767	752	681	640	574	502	435	363	370	243	192	184	239
Wind (km/h)	SW	SW	SW	SW	SW	SSW	SSW	SW	SW	SSW	SSW	S	S	S	S	S	SSW	SSW	SSE	SSE	S	S	S	SSE
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	off
High Tide / height (m)	2:49PM 4.97				3:31AM 4.98				3:56PM 5.39					4:25AM 5.40				4:44PM 5.83				5:07AM 5.80
Low Tide / height (m)			9:31PM 1.67				9:56AM 1.62					10:29PM 1.25				10:47AM 1.20				11:13PM 0.86				11:27AM 0.83

	Wednesday 17			Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	-	-	6:58	-	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	7:01	-
Sunset	-	7:30	-	-	-	-	-	-	-	7:29	-	-	-	-	-	-	-	7:25	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	17	17	17	17	17	17	18	18	17	16	16	16	16	17	18	18	17	16	16	16	15	17	18
Feels °C (?)	12	14	13	14	14	13	13	13	14	14	13	14	14	15	15	16	15	16	15	15	15	14	16	16

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 Still cross-shore at Porthjoke (moderate winds from the SW at Newquay Airport 11 km from Porthjoke). 3.3m 12s groundswell from the W with a 2.6m 13s groundswell, also from the W. 2 swells combining so expect closeout sets.
1 hour 40 minutes ago Porthjoke

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1 h 40 min ago

28 km/h

Cross-Shore

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