20 April 2026: Tsunami Alert Issued for NE Japan

A magnitude-7.4 earthquake off the coast of Sanriku has triggered a tsunami warning. latest updates

St Ives Harbour Wall surf break

St Ives Harbour Wall surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 6 am Monday 20 Apr 2026 BST
Forecast update in hr  min  s Forecast update imminent
St Ives Harbour Wall surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Ives Harbour Wall sea temperature is
11.6° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at St Ives Harbour Wall today?

The current surf forecast for St Ives Harbour Wall at 1PM is: 0.5m 9s primary swell from a West direction and 0.2m 15s secondary swell from a South-southwest direction, 0.6m 3s secondary swell from a East-southeast direction (forecast issued at 06:00am April 20). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (20 Apr)2ft (0.6m)10s
Afternoon (20 Apr)1.5ft (0.5m)9s
Evening (20 Apr)1.5ft (0.5m)14s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thu
23
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
W
0.7
W
0.6
W
0.5
W
0.5
W
0.5
W
0.5
W
0.7
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.5
WNW
0.7
WNW
1.8
ESE
1.7
ESE
1.6
ESE
1.3
ESE
0.3
WNW
0.2
WNW
0.2
WNW
1.1
ESE
1.2
ESE
Period(s) (?)1010109914131413131212121414555512121244
Wave
Graph
(?)Metric surfscale
Energy kJ (?)929065434310390213218232205198189115192154156139742914143850
Wind
(km/h)
15
E
20
E
25
E
30
ESE
30
ESE
25
E
25
E
30
E
35
E
35
E
40
E
40
E
45
E
50
E
50
E
50
E
50
E
45
E
45
ESE
45
E
45
ESE
40
E
40
E
40
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
crosscross-
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-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
7:37AM
6.24
7:57PM
6.16
8:22AM
5.89
8:44PM
5.81
9:12AM
5.41
9:37PM
5.37
Low Tide
/ height (m)
1:39AM
-0.03
1:59PM
0.17
2:24AM
0.23
2:45PM
0.53
3:15AM
0.62
3:37PM
0.97
Monday
20
Tuesday
21
Wednesday
22
Thu
23
Sunrise-6:18-------6:16-------6:15------
Sunset-----8:22-------8:23-------8:25--
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C1010101110109998891110109910101010101010
Feels °C (?)6555243220-102-1-1-1-11101222
  • 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

FREE! Surf-Forecast.com widget for your website

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


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest