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Notice 21-10-2026. Over the coming 3 weeks we will be migrating to a newer version of Bigsalty. Whilst this happens we have removed login / user capabilities and some current weather functionality.

Calshot Wind and Wave Forecast

GFS 0.25° wind, atmospheric and GFSWave 0.25° forecast data for Calshot.

Sunday 25 October (Today)

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
12:00
24.3kts
36.1kts
-1%
-1%
-1%
-1mm
14.2°C
3.7m
8.6sec
3.7m
8.6sec
15:00
22.7kts
32.9kts
5%
0%
0%
0mm
12.8°C
3.4m
8.4sec
3.4m
8.4sec
18:00
16.6kts
27.1kts
4%
0%
0%
0mm
10.4°C
2.8m
8sec
2.8m
8sec
21:00
13.8kts
25.8kts
3%
0%
51%
0mm
9.5°C
2.3m
7.4sec
2.3m
7.4sec

Sunrise: 06:43 / Sunset: 16:55 Twilight: 06:09 / 17:29

°C

Today's tide data

Time Height (m)
03:22:57 L +1.02
10:12:46 H +4.82
15:43:58 L +0.96
22:30:04 H +4.77

Tide chart for Portsmouth

Bigsalty Tide Charts

Tide times vary with distance to report location; all times incorporate BST; for more tide information click here

Monday 26 October (Tomorrow)

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
12.5kts
22.8kts
30%
3%
69%
0mm
10.9°C
2.1m
6.6sec
2m
6.6sec
03:00
8.1kts
14.9kts
38%
76%
95%
0mm
9.5°C
1.8m
6.5sec
1.6m
6.2sec
06:00
11.7kts
21.3kts
46%
84%
97%
0.1mm
11.5°C
1.8m
5.7sec
1.6m
5.7sec
09:00
16.7kts
25.6kts
100%
100%
92%
1.6mm
12.3°C
1.9m
5.9sec
1.8m
5.9sec
12:00
21.3kts
34.3kts
100%
99%
95%
4mm
14.2°C
2.5m
6.6sec
2.5m
6.6sec
15:00
19.7kts
30.3kts
95%
14%
50%
0.3mm
15.8°C
2.7m
7.3sec
2.7m
7.3sec
18:00
18.2kts
29.2kts
97%
7%
26%
0.4mm
15°C
2.7m
7.8sec
2.7m
7.8sec
21:00
19.4kts
32.1kts
74%
0%
12%
0.1mm
14.8°C
2.5m
7.8sec
2.5m
7.8sec

Sunrise: 06:45 / Sunset: 16:53 Twilight: 06:11 / 17:27

Tuesday 27 October

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
22.1kts
34.6kts
80%
0%
8%
0.1mm
15.4°C
2.7m
7.9sec
2.7m
7.9sec
03:00
23.1kts
36.9kts
82%
1%
53%
0.2mm
15.1°C
3m
8.2sec
3m
8.2sec
06:00
24.2kts
37kts
63%
2%
69%
0.3mm
15.2°C
3.3m
8.5sec
3.3m
8.5sec
09:00
17.9kts
29kts
95%
70%
65%
2.5mm
14.3°C
3.4m
9.2sec
3.4m
9.2sec
12:00
14.2kts
25.4kts
97%
58%
44%
3.3mm
12.7°C
3.1m
12sec
3m
12sec
15:00
15.7kts
23.1kts
27%
4%
1%
0.1mm
13.3°C
2.8m
10sec
2.8m
10.7sec
18:00
11kts
20.2kts
16%
2%
1%
0.2mm
10.3°C
2.5m
12.3sec
2.1m
7.4sec
21:00
10.2kts
21kts
4%
0%
0%
0mm
9.4°C
2.3m
12.2sec
1.9m
7.3sec

Sunrise: 06:46 / Sunset: 16:51 Twilight: 06:12 / 17:25

Wednesday 28 October

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
8.6kts
18.5kts
4%
0%
0%
0mm
8.7°C
2.1m
12.1sec
2.1m
12.1sec
03:00
7.5kts
15.7kts
6%
0%
0%
0mm
8.4°C
1.9m
12.3sec
1.9m
12.3sec
06:00
6.9kts
13.3kts
8%
0%
7%
0mm
8.2°C
1.7m
12.3sec
1.7m
12.3sec
09:00
7.2kts
14.6kts
16%
2%
32%
0mm
12.3°C
1.5m
12.3sec
1.5m
12.3sec
12:00
9.5kts
11.3kts
11%
1%
24%
0.1mm
15.8°C
1.4m
12.2sec
0.7m
6.1sec
15:00
7.3kts
9.2kts
27%
0%
45%
0.1mm
14.6°C
1.3m
12.2sec
-1m
-1sec
18:00
4.2kts
4.3kts
22%
0%
71%
0.1mm
10.5°C
1.1m
12sec
-1m
-1sec
21:00
2.7kts
2.8kts
16%
8%
75%
0.1mm
9.5°C
1m
11.8sec
-1m
-1sec

Sunrise: 06:48 / Sunset: 16:49 Twilight: 06:14 / 17:23

Thursday 29 October

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
3.6kts
3.8kts
18%
12%
51%
0.2mm
9.2°C
0.9m
11.6sec
0.1m
1sec
03:00
4.4kts
5kts
31%
21%
22%
0mm
10.2°C
0.9m
11.3sec
0.3m
2.5sec
06:00
5.9kts
6.2kts
41%
22%
25%
0mm
9.5°C
0.9m
11.1sec
0.5m
3.1sec
09:00
8.3kts
15.6kts
15%
54%
81%
0mm
13°C
0.9m
11.6sec
0.7m
3.5sec
12:00
11.9kts
14.5kts
12%
50%
87%
0mm
15.4°C
1m
6.5sec
0.7m
3.9sec
15:00
10.8kts
15.7kts
1%
10%
97%
0mm
13.3°C
1m
4sec
0.8m
4sec
18:00
7.9kts
14.5kts
0%
13%
94%
0mm
9.7°C
0.9m
4.1sec
0.8m
4sec
21:00
8.7kts
16.6kts
0%
28%
96%
0mm
10°C
1m
4.2sec
0.9m
4.2sec

Sunrise: 06:50 / Sunset: 16:47 Twilight: 06:16 / 17:21

Friday 30 October

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
7.9kts
15.4kts
0%
41%
82%
0mm
10°C
1m
4.3sec
0.8m
4.3sec
03:00
8.2kts
17.2kts
0%
78%
50%
0mm
10.5°C
0.9m
4.3sec
0.8m
4.3sec
06:00
7.5kts
13.3kts
0%
76%
44%
0mm
10.6°C
0.9m
4.3sec
0.8m
4.2sec
09:00
10.2kts
16.1kts
4%
81%
85%
0mm
13.9°C
1m
13.5sec
0.8m
4.2sec
12:00
11.3kts
14.6kts
4%
88%
72%
0mm
15.9°C
1m
13sec
0.8m
4sec
15:00
9kts
13.9kts
56%
95%
69%
0mm
14.3°C
1.1m
12.3sec
0.8m
4.9sec
18:00
7.7kts
14.8kts
71%
89%
50%
0mm
13.5°C
1.2m
11.4sec
0.7m
4.7sec
21:00
8.7kts
17.9kts
70%
82%
4%
0mm
14.2°C
1.2m
10.9sec
-1m
-1sec

Sunrise: 06:51 / Sunset: 16:45 Twilight: 06:17 / 17:20

Saturday 31 October

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
9.2kts
18.9kts
61%
75%
7%
0mm
14.3°C
1.3m
10.7sec
0.1m
1.7sec
03:00
8.6kts
17.5kts
79%
74%
9%
0mm
14.8°C
1.4m
10.4sec
1.4m
10.4sec
06:00
7.8kts
14.9kts
87%
83%
7%
0.1mm
14.7°C
1.4m
10.5sec
1.4m
10.5sec
09:00
5.5kts
10.7kts
96%
98%
32%
0.3mm
14.4°C
1.3m
10.9sec
1.3m
10.9sec
12:00
6.9kts
12.6kts
98%
98%
27%
1.6mm
14.1°C
1.1m
10.8sec
1.2m
10.8sec
15:00
11.1kts
18.2kts
100%
100%
43%
2mm
12.7°C
1.1m
10.6sec
0.5m
3.2sec
18:00
8.6kts
16.5kts
95%
99%
66%
2.4mm
11.9°C
1.1m
10.5sec
0.8m
3.9sec
21:00
10.2kts
20.3kts
7%
23%
1%
0mm
9.7°C
1.1m
10.4sec
0.9m
4sec

Sunrise: 06:53 / Sunset: 16:44 Twilight: 06:19 / 17:18

Sunday 1 November

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
10kts
21.2kts
3%
11%
1%
0mm
8.7°C
1.1m
7.1sec
0.9m
4.2sec
03:00
7.9kts
17.3kts
0%
0%
1%
0mm
7.9°C
1m
6.9sec
0.7m
3.8sec
06:00
6.9kts
11.4kts
0%
0%
0%
0mm
7.3°C
0.8m
9.8sec
0.6m
3.4sec
09:00
8.3kts
14.4kts
0%
0%
0%
0mm
10.5°C
0.8m
9.7sec
0.6m
3.3sec
12:00
9.4kts
11.4kts
0%
0%
0%
0mm
13.7°C
0.7m
9.6sec
0.5m
3.1sec
15:00
7.3kts
9.4kts
0%
0%
0%
0mm
12.3°C
0.6m
9.4sec
0.4m
2.9sec
18:00
6.4kts
6.3kts
0%
0%
0%
0mm
8°C
0.6m
9.1sec
0.4m
2.7sec
21:00
5.4kts
5.6kts
0%
0%
0%
0mm
7.3°C
0.6m
10sec
0.5m
3.1sec

Sunrise: 06:55 / Sunset: 16:42 Twilight: 06:20 / 17:16

Monday 2 November

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
5.2kts
5.5kts
0%
0%
0%
0mm
6.8°C
0.6m
10.3sec
0.4m
3.2sec

Sunrise: 06:57 / Sunset: 16:40 Twilight: 06:22 / 17:15

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