Marazion Surf Forecast

/ Cornwall (South) (25 surf breaks) /

UK (471 surf breaks)

Surf Forecasts:

Marazion surfForecast / Cornwall (South) / UK

12 Day Weather and Surf, issued 6 am Thursday 18 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Marazion sea temperature is 15.9° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Marazion this week:

The surf forecast for Marazion over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 23) at 10PM. The primary swell is predicted to be 0.5m and 12s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Marazion in the next 12 days are 4.0m 9s and forecast to arrive on Sunday (Sep 21) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 9s period and expected on Sunday (Sep 21) at 7AM.

Wave Type	Time (BST) & Date	Wave Height & Period
Next good surf (1 star+)	10PM (Tue 23rd Sep)	1.5ft (0.5m) 12s
Best Surf	10PM (Tue 23rd Sep)	1.5ft (0.5m) 12s
Most Powerful	4AM (Sun 21st Sep)	13ft (4.0m) 9s

Table - best surf conditions forecast for Marazion over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Some drizzle, heaviest during Sat night. Very mild (max 17°C on Thu morning, min 13°C on Sat night). Winds increasing (light winds from the S on Fri night, near gales from the S by Sat afternoon).									Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 14°C on Mon afternoon, min 11°C on Sun morning). Winds decreasing (near gales from the N on Sun night, light winds from the NNE by Tue night).
	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SSW	WNW	SSW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W
Period(s) (?)	12	11	10	10	10	9	9	6	9	14	8	7	6	6	6	5	14	12	11	11	10
Wave Graph (?)
kJ (?)	2056	1464	932	863	612	367	287	180	2224	20	259	42	27	24	6	3	32	107	196	184	154
Wind (km/h)	SSW	SSW	S	S	SSW	S	SSE	S	WSW	WNW	NW	N	N	NNE	NE	NNE	NNE	NNE	ESE	SE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- off	cross- off	off	off	off	off	off	cross- off	cross	cross- off
High Tide / height (m)		3:28PM 4.88	3:57AM 4.85		4:16PM 5.18		4:38AM 5.10	4:54PM 5.40		5:14AM 5.27	5:28PM 5.51		5:46AM 5.36	6:00PM 5.54		6:16AM 5.39	6:30PM 5.51		6:45AM 5.38	6:59PM 5.42
Low Tide / height (m)			10:12PM 1.47	10:31AM 1.48		11:01PM 1.17	11:16AM 1.21		11:41PM 0.98	11:54AM 1.06		12:17AM 0.91	12:28PM 1.00		12:49AM 0.93	12:59PM 1.01		1:18AM 1.02		1:28PM 1.09	1:45AM 1.14

	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
Sunrise	7:01	-	-	7:01	-	-	7:03	-	-	7:05	-	-	7:07	-	-	7:07	-	-	7:09	-	-
Sunset	-	7:30	-	-	7:28	-	-	7:24	-	-	7:22	-	-	7:21	-	-	7:19	-	-	7:15	-

Rain (mm)	-	-	-	-	-	-	-	-	1	-	2	4	2	-	-	-	-	-	1	-	-
Temp. °C	17	17	17	17	17	16	17	16	14	12	13	13	12	14	13	13	14	14	14	15	14
Feels °C (?)	13	13	14	14	15	15	11	6	5	4	4	4	2	6	5	8	10	10	12	13	12

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 Wind reports 13 km away suggest it is still onshore at Marazion (fresh winds from the SW at Land's End Airport). A 2.1m groundswell from the WSW
1 hour 57 minutes ago Marazion

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1 h 57 min ago

30 km/h

Onshore

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Marazion 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.

Information about the Marazion Surf forecast

The above surf forecast table for Marazion provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Marazion can be found by selecting the local surf guide option on the grey menu. Our Marazion surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Marazion) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Marazion may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in South Cornwall? If you are looking for accommodation near Marazion, camping, hotels and holiday cottages in South Cornwall, consider staying in Penzance which is 4 km (2 miles) away. Other places in and around South Cornwall where you can find information about places to rent, and car hire include Camborne which is 16 km (10 miles) away, Penryn, The Lizard and Falmouth.