The Breakwater-St Ives surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 am Friday 19 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
The Breakwater-St Ives surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Breakwater-St Ives sea temperature is
12.0° C
(Which is slightly warmer than usual)


How big are the waves at The Breakwater-St Ives today?

The current surf forecast for The Breakwater-St Ives at 1PM is: 4.5m 16s primary swell from a West direction (forecast issued at 05:00am December 19). An open ocean swell of 1.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (GMT) & DateWave HeightWave Period
Morning (19 Dec)16ft (5.0m)16s
Afternoon (19 Dec)15ft (4.5m)16s
Evening (19 Dec)11ft (3.5m)15s

Table - waves today at The Breakwater-St Ives. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Friday
19
Saturday
20
Sunday
21
Mon
22
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
!
!
!
!
!
!
!
!
4
2
1
1
1
!
2
5
!
!
!
!
!
!
4
3
Swell
Height Map
Wave Height (m) & direction (?)
5
W
5
W
5
W
4.5
W
4.5
W
4
W
3.5
W
3.5
W
3
W
2.3
W
1.9
W
1.8
W
2
W
3.5
WSW
2.5
W
3
WSW
4.5
W
4.5
W
4.5
W
4
W
4
W
3.5
W
3
W
3
W
Period(s) (?)171716161616151514141313121212121716161616151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)158921439412409112189899780761105120414220061264110312183548190930411035910023952184227165562745223766
Wind
(km/h)
40
WSW
35
WSW
30
WSW
30
WSW
25
WSW
20
SW
25
SSW
30
S
35
S
40
S
45
SSE
50
SSE
30
SSW
20
SW
30
SW
20
S
20
SE
5
S
10
SSE
20
SSE
15
SSE
20
SE
20
SE
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffoffcross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
4:19AM
5.22
4:38PM
5.17
4:56AM
5.37
5:15PM
5.26
5:33AM
5.47
5:51PM
5.30
Low Tide
/ height (m)
10:43AM
1.05
10:58PM
1.01
11:21AM
0.93
11:35PM
0.91
11:58AM
0.85
Friday
19
Saturday
20
Sunday
21
Mon
22
Sunrise--8:17-------8:17-------8:18-----
Sunset----4:20-------4:20-------4:20---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
light rain
light rain
light rain
part cloud
cloud
mod rain
light rain
cloud
part cloud
cloud
clear
part cloud
Rain (mm)
------------511--61-----
Temp. °C1010101111101010101010101098987899888
Feels °C (?)12355544210-1341435444323
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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