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

information circle48hr Weather and Surf, issued 6 am Friday 15 May 2026 BST
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
12.4° 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 9AM is: 1.4m 6s primary swell from a North direction and 1.0m 7s secondary swell from a West-northwest direction (forecast issued at 06:00am May 15). An open ocean swell of 0.2m 14s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (15 May)4.5ft (1.4m)6s
Afternoon (15 May)4.5ft (1.4m)6s
Evening (15 May)2.5ft (0.8m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Sun night. Very mild (max 12°C on Sat morning, min 10°C on Fri morning). Mainly fresh winds.

Friday
15
Saturday
16
Sunday
17
Mon
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
0
0
0
0
0
0
1
1
1
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.5
N
6
1.5
N
6
1.3
N
6
1.5
NNW
6
1.4
NNW
6
1.3
NNW
6
0.8
N
6
0.6
N
6
0.8
WNW
8
0.8
W
8
0.9
W
8
1
W
7
1.1
W
7
1.1
W
7
1.4
W
6
1.5
W
7
1.5
WNW
7
0.9
WNW
14
1.1
WNW
14
1.9
WNW
13
2
W
13
2.1
W
12
2.5
W
12
2.5
W
12
Wave Graph
Metric surfscale
Energy kJ
170
176
132
187
141
107
45
26
77
72
90
106
111
107
137
206
192
366
465
1156
1316
1335
1999
2015
Wind (km/h)
30
N
30
N
25
NNW
25
NNW
25
NNW
25
NW
15
WNW
15
W
15
W
15
W
20
W
25
W
20
WSW
30
WNW
25
WNW
25
NW
20
NW
20
WNW
20
W
25
W
30
WSW
35
W
30
WSW
35
WSW
on
on
on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross-off
cross-off
High Tide
4:18AM5.72m
4:43PM5.82m
5:04AM6.03m
5:28PM6.12m
5:50AM6.20m
6:12PM6.28m
Low Tide
10:43AM0.40m
11:05PM0.36m
11:29AM0.17m
11:52PM0.12m
12:14PM0.07m
00:39AM0.02m
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
rain showers
cloud
cloud
clear
cloud
cloud
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:33
5:33
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:00
9:01
9:04
9:05
1
1
2
Temp °C
10
10
10
10
10
10
10
10
10
10
11
12
12
11
10
11
10
10
11
11
11
11
10
10
3
3
4
3
3
4
6
6
6
7
7
7
8
5
4
5
5
6
6
5
4
4
3
3
Swell 1
Height (m)
Direction
Period (s)
1.1
WNW
8
1.1
WNW
8
1
WNW
7
0.2
SSW
14
0.1
SW
14
0.3
WNW
8
0.8
N
6
0.6
N
6
0.8
WNW
8
0.4
N
6
0.3
N
6
0.3
N
5
0.2
N
5
0.3
WNW
14
0.4
WNW
13
0.5
W
13
0.6
WNW
14
1.5
WNW
7
1.3
WNW
7
1.9
WNW
13
0.1
SW
12
0.1
SW
12
0.1
S
12
0.1
S
12
Energy kJ
163
163
102
19
7
12
45
26
77
10
5
5
2
41
60
89
158
198
181
1156
6
6
3
3
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.1
W
9
0.2
W
10
0.3
WNW
8
0.4
WNW
7
0.5
N
6
0.2
W
9
0.2
W
9
0.2
W
9
0.2
WNW
15
0.2
N
5
0.1
SW
13
0.4
WNW
12
0.9
WNW
14
1.1
WNW
14
0.1
SW
12
0.1
S
12
Energy kJ
20
20
20
2
7
11
18
18
7
7
6
21
2
6
47
366
465
6
3
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
13
0.3
W
9
0.3
W
9
0.2
W
9
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.1
SW
12
Energy kJ
7
15
14
7
7
7
7
7
7
7
6
6
6
6
Wind waves
Height (m)
Direction
Period (s)
1.5
N
6
1.5
N
6
1.3
N
6
1.5
NNW
6
1.4
NNW
6
1.3
NNW
6
0.9
WNW
5
0.7
WNW
5
0.8
W
8
0.9
W
8
1
W
7
1.1
W
7
1.1
W
7
1.4
W
6
1.5
W
7
1.5
WNW
7
2
W
13
2.1
W
12
2.5
W
12
2.5
W
12
Energy kJ
170
176
132
187
141
107
39
26
72
90
106
111
107
137
206
192
1316
1335
1999
2015
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
1
2
2
2
Distance (km)
182
191
271
232
271
271
271
318
24
14
214
2
14
521
523
214
214
214
14
14
179
49
558
224
Best forecast wave conditions in North Cornwall
Rating
(10 max)
1
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
2
4
4
4
4
3
3
3
3
3
2
2
2
2
4
4
1
4
4
4
Header Global
Rating
(10 max)
5
4
6
5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
4
5
8
8
9
5
  • 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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