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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.

Wednesday 28 October (Today)

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
9.2kts
19.4kts
3%
0%
3%
0mm
9°C
2.1m
12.5sec
1.7m
7.3sec
03:00
8.3kts
19.4kts
5%
3%
15%
0mm
8.7°C
2m
12.6sec
1.7m
9.8sec
06:00
8kts
18.6kts
5%
4%
32%
0mm
8.8°C
1.8m
12.6sec
1.8m
12.6sec
09:00
10.1kts
18kts
12%
6%
76%
0mm
12.7°C
1.7m
12.5sec
1.7m
12.5sec
12:00
12kts
14.4kts
15%
6%
59%
0.1mm
15.7°C
1.5m
12.4sec
1.5m
12.4sec
15:00
9.8kts
12.7kts
11%
20%
18%
0mm
14.5°C
1.4m
12.3sec
1.2m
8.2sec
18:00
5.9kts
7.7kts
15%
12%
49%
0mm
11°C
1.3m
12sec
0.4m
2.7sec
21:00
4.6kts
4.5kts
7%
50%
98%
0mm
10.2°C
1.1m
11.9sec
-1m
-1sec

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

°C

Today's tide data

Time Height (m)
05:23:50 L +0.79
12:07:50 H +4.93
17:46:26 L +0.74

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

Thursday 29 October (Tomorrow)

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
3.2kts
3.4kts
6%
61%
97%
0mm
10°C
1m
11.7sec
-1m
-1sec
03:00
2.4kts
2.6kts
3%
36%
100%
0mm
9.6°C
0.9m
11.5sec
-1m
-1sec
06:00
3kts
3.4kts
3%
51%
100%
0mm
10.2°C
0.8m
11.2sec
-1m
-1sec
09:00
4.6kts
6.9kts
17%
97%
90%
0mm
13.4°C
0.7m
11.1sec
0.2m
2sec
12:00
8kts
9.7kts
15%
70%
93%
0mm
16.1°C
0.7m
11.3sec
0.3m
2.7sec
15:00
7kts
9.7kts
9%
5%
100%
0mm
14.2°C
0.7m
11.5sec
0.4m
3sec
18:00
7.3kts
9.7kts
4%
4%
100%
0mm
10.5°C
0.7m
11.1sec
0.5m
3.1sec
21:00
6.9kts
7.8kts
0%
1%
100%
0mm
10.2°C
0.8m
10.9sec
0.6m
3.5sec

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
6.5kts
8kts
3%
1%
97%
0mm
10°C
0.8m
3.9sec
0.7m
3.9sec
03:00
5.7kts
6kts
0%
18%
60%
0mm
9.4°C
0.8m
4.4sec
0.6m
3.9sec
06:00
4.9kts
5.3kts
0%
21%
40%
0mm
8.9°C
0.7m
10.4sec
0.5m
3.8sec
09:00
6.6kts
11.5kts
0%
1%
35%
0mm
12.8°C
0.7m
12.5sec
0.5m
3.6sec
12:00
9.4kts
11.5kts
0%
0%
30%
0mm
16.1°C
0.8m
13.4sec
0.5m
3.5sec
15:00
6.7kts
8.8kts
0%
0%
7%
0mm
14.3°C
0.8m
13sec
0.5m
3.6sec
18:00
5.7kts
5.8kts
0%
0%
9%
0mm
9.5°C
0.8m
12.6sec
0.5m
3.7sec
21:00
6.6kts
6.9kts
0%
0%
10%
0mm
8.8°C
0.9m
12.2sec
0.6m
3.7sec

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
5.9kts
6.3kts
0%
0%
21%
0mm
8.2°C
1m
11.7sec
0.6m
3.9sec
03:00
4.6kts
5.4kts
0%
0%
22%
0mm
7.9°C
1m
11.3sec
0.6m
3.9sec
06:00
5.6kts
5.8kts
0%
0%
26%
0mm
7.9°C
0.9m
11.1sec
0.5m
3.8sec
09:00
6.2kts
9kts
0%
0%
44%
0mm
11.9°C
1m
11.1sec
0.5m
3.5sec
12:00
6.3kts
7.6kts
0%
0%
32%
0mm
16°C
1m
11.1sec
0.6m
3.6sec
15:00
5kts
6.1kts
0%
0%
80%
0mm
14.5°C
0.9m
11sec
0.5m
3.6sec
18:00
5.2kts
5.7kts
0%
0%
84%
0mm
9.4°C
0.9m
10.9sec
0.5m
3.5sec
21:00
5.7kts
6kts
0%
0%
78%
0mm
8.9°C
0.8m
10.8sec
0.5m
3.5sec

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
5.9kts
6.1kts
0%
0%
64%
0mm
8.4°C
0.8m
11.8sec
0.5m
3.6sec
03:00
6.6kts
7.1kts
0%
0%
54%
0mm
8.3°C
0.7m
11.7sec
0.5m
3.6sec
06:00
7.4kts
12kts
0%
0%
54%
0mm
8.1°C
0.7m
11.7sec
0.6m
3.5sec
09:00
9.1kts
16.1kts
0%
0%
44%
0mm
11.5°C
0.8m
4.8sec
0.7m
3.7sec
12:00
10.8kts
13.7kts
0%
0%
44%
0mm
15.3°C
0.9m
4sec
0.7m
4sec
15:00
10.6kts
15.6kts
0%
0%
57%
0mm
13.9°C
0.9m
4.1sec
0.8m
4.1sec
18:00
9.9kts
20kts
0%
0%
61%
0mm
10.2°C
1m
4.3sec
0.9m
4.3sec
21:00
12.1kts
21.7kts
5%
0%
29%
0mm
10.9°C
1.2m
4.7sec
1.1m
4.7sec

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
12.2kts
20.8kts
33%
0%
34%
0mm
11.3°C
1.4m
5.2sec
1.3m
5.2sec
03:00
12.7kts
22.9kts
28%
0%
49%
0.1mm
8.9°C
1.4m
5.5sec
1.4m
5.5sec
06:00
11.4kts
21.2kts
26%
0%
44%
0.1mm
8.2°C
1.6m
5.7sec
1.6m
5.7sec
09:00
12.4kts
20.8kts
18%
0%
6%
0mm
10.8°C
1.5m
5.7sec
1.5m
5.7sec
12:00
13.8kts
17kts
16%
0%
9%
0mm
14.4°C
1.5m
5.7sec
1.5m
5.7sec
15:00
11.1kts
15.3kts
2%
0%
4%
0mm
13.2°C
1.5m
5.8sec
1.5m
5.8sec
18:00
10.8kts
19.8kts
1%
0%
2%
0mm
9.2°C
1.5m
5.6sec
1.5m
5.6sec
21:00
10.4kts
20kts
5%
0%
0%
0mm
8.6°C
1.6m
5.8sec
1.6m
5.8sec

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

Tuesday 3 November

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
8.8kts
16.2kts
13%
0%
0%
0mm
8.2°C
1.6m
5.9sec
1.6m
5.9sec
03:00
8.2kts
14.4kts
25%
0%
0%
0mm
7.7°C
1.4m
5.7sec
1.4m
5.7sec
06:00
8.7kts
19kts
21%
0%
7%
0mm
7.6°C
1.1m
5.2sec
1.1m
5.2sec
09:00
10.4kts
20.3kts
0%
0%
12%
0mm
10.8°C
1m
4.8sec
1m
4.8sec
12:00
11.9kts
16.8kts
0%
0%
11%
0mm
14.9°C
0.9m
4.6sec
0.9m
4.6sec
15:00
10.9kts
17kts
1%
0%
25%
0mm
13.8°C
0.9m
4.7sec
0.9m
4.7sec
18:00
8.5kts
16.4kts
7%
0%
21%
0mm
9.9°C
1m
4.7sec
1m
4.7sec
21:00
8.6kts
17.4kts
22%
0%
9%
0mm
9.4°C
1.2m
5.4sec
1.2m
5.4sec

Sunrise: 06:58 / Sunset: 16:38 Twilight: 06:24 / 17:13

Wednesday 4 November

Wind Gust Dir Cloud Mid High Rain Temp Swell Period Dir Wave Period Dir
00:00
8.4kts
17.2kts
18%
0%
7%
0mm
8.9°C
1.2m
5.6sec
1.2m
5.6sec

Sunrise: 07:00 / Sunset: 16:37 Twilight: 06:25 / 17:11

Wind angle today

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