Treyarnon Surf Forecast

/ Cornwall (North) (59 surf breaks) /

UK (471 surf breaks)

Surf Forecasts:

Treyarnon surfForecast / Cornwall (North) / UK

48hr Weather and Surf, issued 6 am Monday 15 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Treyarnon sea temperature is 17.2° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Treyarnon today?

The current surf forecast for Treyarnon at 9AM is: 5.5m 13s primary swell from a West direction (forecast issued at 06:00am September 15). The wind direction is predicted to be cross-onshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (15 Sep)	18ft (5.5m)	13s
Afternoon (15 Sep)	16ft (5.0m)	13s
Evening (15 Sep)	15ft (4.5m)	13s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 15							Tuesday 16								Wednesday 17								Thu 18
	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)	0	0	0	0	0	0	0	0	0	0	0	0	0	1	2	0	0	0	0	0	1	!	!	!
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	W	W	W	W
Period(s) (?)	12	13	13	13	13	13	13	13	13	12	12	12	12	11	11	11	10	10	9	9	10	10	12	12
Wave Graph (?)
kJ (?)	7802	9747	10077	9716	8702	8039	6830	5338	4178	3061	2246	1750	1301	959	743	577	551	644	738	994	1391	1768	2440	2391
Wind (km/h)	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	WSW	WSW	SSW	SSW	SSW	SW	SW	SW	SW	SSW	SSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- off	cross- off	cross- off	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)				11:43AM 5.12				12:32AM 4.80					1:17PM 4.87				2:14AM 4.74				2:53PM 5.05
Low Tide / height (m)						6:21PM 1.92					7:07AM 2.16				8:08PM 2.00				8:48AM 2.04				9:34PM 1.70

	Monday 15							Tuesday 16								Wednesday 17								Thu 18
Sunrise	-	6:54	-	-	-	-	-	-	-	6:56	-	-	-	-	-	-	-	6:56	-	-	-	-	-	-
Sunset	-	-	-	-	-	7:35	-	-	-	-	-	-	-	7:32	-	-	-	-	-	-	-	7:30	-	-

Rain (mm)	1	1	1	1	-	-	-	-	-	-	-	-	-	1	1	1	1	-	-	-	-	-	-	-
Temp. °C	15	14	14	14	15	15	15	14	15	15	15	15	15	14	14	14	15	16	16	17	17	17	17	17
Feels °C (?)	4	4	4	4	5	6	7	6	7	8	9	10	10	10	10	9	7	9	10	11	12	13	13	13

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-on at Treyarnon (strong winds from the W at Newquay Airport 11 km from Treyarnon). A 5.5m groundswell from the W is too big for here
1 hour 22 minutes ago Treyarnon

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1 h 22 min ago

39 km/h

Cross-On

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