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Mawgan Porth Seasonal Surf Averages

Based on the last ten years data for this location this page gives seasonal trends and an idea of what kind of conditions you can expect and when. Of course these are just averages - it's worth reading carefully to understand exactly what they mean and to recognise the kind of variation you could expect on a trip because an average can never tell the whole story. Click on a month below to see more detail.
If you want a past forecast for a specific date range then click here.

Local Photo


Swell Consistency and Wind Overview

Wind Swell Ground Swell
86%
74%

12%

Jan
64%
49%

15%

Feb
72%
60%

12%

Mar
64%
32%

32%

Apr
63%
14%

49%

May
58%
7%

51%

Jun
44%
3%

41%

Jul
43%
5%

38%

Aug
67%
26%

41%

Sep
63%
30%

33%

Oct
71%
45%

26%

Nov
78%
54%

24%

Dec
This graph shows the percentage of days that had a ridable wind swell (7 seconds period or more) or groundswell (10 seconds period or more) of over 3ft. It also shows the dominant wind direction. Not all of these days will neccessarily give great surf, and very short lived wind swells or longer period secondary swells may produce surf not recorded, but it gives a clear idea of the seasonal trend and a rough guide to the chances of scoring something ridable.

Monthly Overview

Jan
Swell
Consistency
86%
Average Swell
Height
10ft
Average Swell
Period
12s
Dominant Wind
Dominant Swell
Feb
Swell
Consistency
64%
Average Swell
Height
8ft
Average Swell
Period
12s
Dominant Wind
Dominant Swell
Mar
Swell
Consistency
72%
Average Swell
Height
8ft
Average Swell
Period
11s
Dominant Wind
Dominant Swell
Apr
Swell
Consistency
64%
Average Swell
Height
6ft
Average Swell
Period
10s
Dominant Wind
Dominant Swell
May
Swell
Consistency
63%
Average Swell
Height
5ft
Average Swell
Period
9s
Dominant Wind
Dominant Swell
Jun
Swell
Consistency
58%
Average Swell
Height
4ft
Average Swell
Period
9s
Dominant Wind
Dominant Swell
Jul
Swell
Consistency
44%
Average Swell
Height
4ft
Average Swell
Period
8s
Dominant Wind
Dominant Swell
Aug
Swell
Consistency
43%
Average Swell
Height
4ft
Average Swell
Period
9s
Dominant Wind
Dominant Swell
Sep
Swell
Consistency
67%
Average Swell
Height
6ft
Average Swell
Period
10s
Dominant Wind
Dominant Swell
Oct
Swell
Consistency
63%
Average Swell
Height
7ft
Average Swell
Period
10s
Dominant Wind
Dominant Swell
Nov
Swell
Consistency
71%
Average Swell
Height
8ft
Average Swell
Period
11s
Dominant Wind
Dominant Swell
Dec
Swell
Consistency
78%
Average Swell
Height
8ft
Average Swell
Period
11s
Dominant Wind
Dominant Swell

Understanding this Data

These swell averages are calculated ONLY on swells of more than 7 seconds period. This means this is the average height of a swell that's likely to produce ridable surf NOT an average of every wave heading toward the beach in a month. Likewise the period is the average period OVER 7 seconds. There will be days that have short period wind swells that won't produce and ridable swell and these are excluded from the averages. The consistency figure gives the percentage of days that meet this condition.

For example if the consistency is 50% you could expect the 'average' swell for about 15 days in the month. Of course an average tells only part of the story. A combination of very large and very small swells may produce the same average as a consistent medium sized swell.

Monthly Data

January
February
March
April
May
June
July
August
September
October
November
December

Nearby Spots

Lusty Glaze
Constantine
Newquay - Towan / Great Western
Newquay - Fistral North
Harlyn
Polzeath
Perranporth (Droskyn)
Porthtowan
Falmouth
Gwithian
Praa Sands
Widemouth Bay
Bude - Crooklets
Sandymouth
Sennen
Whitsand Bay
Croyde Beach
Putsborough
Bantham
Freshwater West
Manorbier
Tenby South Beach
Llangennith / Rhossili
Newgale
Whitesands Bay
Langland Bay
Teignmouth
Exmouth
Aberavon
Porthcawl - Coney Beach
Sidmouth (Lyme Bay)
Lampaul Ploudalmezeau
Le Dossen
Lyme Regis
Blancs-Sablons
Pors Ar Villec (Locquirec)
Borth / Ynyslas
Trestaou
Tywyn to Aberdovey
Hells Mouth
Baie des Trépassés (Lescoff)
Barmouth
Vazon Bay - Beach - Guernsey
Tramore - Strand
La Torche
Anglesey
Dublin Area
Jersey
Guidel (Les Kaolins)
Bournemouth
Le Rozel
Plage du Sillon (St Malo)
Isle of Wight - Compton
Les Donnants
Isle of Man
East Wittering
Brighton - West Pier
Lahinch - Cornish Left
Portrush
Machrihanish
L'Aubraie
Bundoran - The Peak
Rossnowlagh
Strandhill
Inch Reefs
Birling Gap
Etretat
Brandon Bay
North Malin
Islay (Machir Bay)