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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 Weather Forecast

GFS 0.5° atmospheric and GFSWave 0.25° marine forecast data for Calshot.

Sunday 25 October (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
06:00
25.1kts
38.1kts
4.1m
9.1sec
-1mm
-1%
11°C
10°C
  • ●
  • ●
  • ●
09:00
25.9kts
38.6kts
3.9m
9sec
0mm
4%
13°C
11°C
  • ●
  • ●
  • ●
12:00
24.9kts
36.6kts
3.7m
8.8sec
0mm
2%
14°C
12°C
  • ●
  • ●
  • ●
15:00
23.5kts
34kts
3.4m
8.4sec
0mm
0%
13°C
12°C
  • ●
  • ●
  • ●
18:00
17.4kts
27.1kts
2.8m
7.9sec
0mm
0%
11°C
10°C
  • ●
  • ●
  • ●
21:00
15.8kts
26.6kts
2.3m
7.2sec
0mm
0%
11°C
10°C
  • ●
  • ●
  • ●

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 Swell Period Rain Cloud Temp Chill [Wind rating]
00:00
13.8kts
23.2kts
2.1m
6.6sec
0mm
0%
12°C
11°C
  • ●
  • ●
  • ●
03:00
9.7kts
14.7kts
1.8m
6.5sec
0mm
2%
10°C
10°C
  • ●
  • ●
  • ●
06:00
14.5kts
22.6kts
1.7m
5.9sec
0.4mm
5%
13°C
11°C
  • ●
  • ●
  • ●
09:00
18.8kts
27.4kts
2m
5.9sec
2.2mm
68%
13°C
12°C
  • ●
  • ●
  • ●
12:00
23.7kts
36kts
2.6m
6.8sec
4.4mm
84%
15°C
14°C
  • ●
  • ●
  • ●
15:00
20.2kts
30.8kts
2.7m
7.3sec
0.2mm
83%
16°C
16°C
  • ●
  • ●
  • ●
18:00
18.7kts
29.8kts
2.7m
7.8sec
0.4mm
72%
15°C
16°C
  • ●
  • ●
  • ●
21:00
19.8kts
31.9kts
2.5m
7.9sec
0.2mm
44%
15°C
16°C
  • ●
  • ●
  • ●

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

Tuesday 27 October

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
00:00
22.7kts
34.5kts
2.7m
7.9sec
0.2mm
54%
15°C
15°C
  • ●
  • ●
  • ●
03:00
23.5kts
37.2kts
3m
8.3sec
0.2mm
74%
15°C
16°C
  • ●
  • ●
  • ●
06:00
25.8kts
39.6kts
3.4m
8.4sec
0.3mm
55%
15°C
15°C
  • ●
  • ●
  • ●
09:00
19kts
29.7kts
3.4m
9.2sec
2.4mm
63%
15°C
14°C
  • ●
  • ●
  • ●
12:00
17.8kts
24.2kts
3.1m
11.8sec
2.7mm
43%
15°C
14°C
  • ●
  • ●
  • ●
15:00
15.2kts
21kts
2.7m
12.3sec
0.1mm
0%
14°C
13°C
  • ●
  • ●
  • ●
18:00
11.5kts
18.5kts
2.4m
12.3sec
0.2mm
0%
11°C
11°C
  • ●
  • ●
  • ●
21:00
11.2kts
20.3kts
2.2m
12.2sec
0mm
0%
11°C
10°C
  • ●
  • ●
  • ●

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

Wednesday 28 October

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
00:00
10.4kts
18.8kts
2.1m
12.1sec
0mm
0%
10°C
10°C
  • ●
  • ●
  • ●
03:00
8.3kts
12.1kts
1.9m
12.4sec
0mm
0%
10°C
7°C
  • ●
  • ●
  • ●
06:00
8.4kts
12.1kts
1.7m
12.5sec
0mm
0%
10°C
7°C
  • ●
  • ●
  • ●
09:00
7.8kts
14kts
1.6m
12.6sec
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●
12:00
10.4kts
12.7kts
1.4m
12.5sec
0mm
0%
15°C
14°C
  • ●
  • ●
  • ●
15:00
9.1kts
12kts
1.3m
12.4sec
0.1mm
7%
14°C
14°C
  • ●
  • ●
  • ●
18:00
5.5kts
5.6kts
1.1m
12.2sec
0.1mm
4%
12°C
12°C
  • ●
  • ●
  • ●
21:00
3.7kts
3.6kts
1m
11.9sec
0mm
2%
11°C
11°C
  • ●
  • ●
  • ●

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

Thursday 29 October

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
00:00
4.7kts
5kts
0.9m
11.7sec
0.1mm
6%
11°C
11°C
  • ●
  • ●
  • ●
03:00
4.9kts
5.3kts
0.9m
11.5sec
0mm
41%
12°C
11°C
  • ●
  • ●
  • ●
06:00
7kts
7.1kts
0.9m
11.3sec
0mm
35%
11°C
11°C
  • ●
  • ●
  • ●
09:00
8.8kts
14.8kts
0.9m
11.8sec
0mm
5%
14°C
12°C
  • ●
  • ●
  • ●
12:00
10.9kts
12.9kts
0.9m
11.7sec
0mm
5%
16°C
14°C
  • ●
  • ●
  • ●
15:00
10kts
12.8kts
0.9m
6.3sec
0mm
4%
14°C
13°C
  • ●
  • ●
  • ●
18:00
8.8kts
14.2kts
0.8m
3.8sec
0mm
2%
11°C
11°C
  • ●
  • ●
  • ●
21:00
8.4kts
10.6kts
0.8m
3.8sec
0mm
0%
11°C
11°C
  • ●
  • ●
  • ●

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

Friday 30 October

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
00:00
7.5kts
8.6kts
0.8m
3.9sec
0mm
0%
11°C
11°C
  • ●
  • ●
  • ●
03:00
7.5kts
8.7kts
0.8m
3.9sec
0mm
0%
11°C
11°C
  • ●
  • ●
  • ●
06:00
7.6kts
9.6kts
0.8m
3.8sec
0mm
0%
11°C
11°C
  • ●
  • ●
  • ●
09:00
10.1kts
16.4kts
0.8m
4.2sec
0mm
0%
14°C
13°C
  • ●
  • ●
  • ●
12:00
12.9kts
16.6kts
0.9m
12.4sec
0mm
0%
16°C
14°C
  • ●
  • ●
  • ●
15:00
10.7kts
15.9kts
1m
11.6sec
0mm
0%
14°C
14°C
  • ●
  • ●
  • ●
18:00
10.3kts
16.8kts
1.1m
10.9sec
0mm
8%
14°C
14°C
  • ●
  • ●
  • ●
21:00
11.5kts
19.5kts
1.2m
10.6sec
0mm
65%
14°C
14°C
  • ●
  • ●
  • ●

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

Saturday 31 October

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
00:00
13.6kts
25.2kts
1.5m
10.4sec
0mm
43%
14°C
14°C
  • ●
  • ●
  • ●
03:00
17.4kts
29kts
1.9m
6sec
0.1mm
2%
14°C
14°C
  • ●
  • ●
  • ●
06:00
15.7kts
25kts
2.5m
7.1sec
0.2mm
25%
13°C
13°C
  • ●
  • ●
  • ●
09:00
16.6kts
21.8kts
2.4m
8.1sec
0mm
52%
14°C
13°C
  • ●
  • ●
  • ●
12:00
17.3kts
22.7kts
2.3m
10.3sec
0.1mm
39%
15°C
13°C
  • ●
  • ●
  • ●
15:00
13.5kts
19.2kts
2.1m
10.6sec
0mm
1%
14°C
13°C
  • ●
  • ●
  • ●
18:00
9.6kts
15kts
1.9m
11sec
0mm
1%
11°C
10°C
  • ●
  • ●
  • ●
21:00
10kts
18.5kts
1.7m
11.1sec
0mm
0%
10°C
6°C
  • ●
  • ●
  • ●

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

Sunday 1 November

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
00:00
9.2kts
17.6kts
1.5m
10.8sec
0mm
0%
9°C
5°C
  • ●
  • ●
  • ●
03:00
7.2kts
9.4kts
1.2m
10.2sec
0mm
0%
9°C
5°C
  • ●
  • ●
  • ●
06:00
5.9kts
6.9kts
1m
9.7sec
0mm
0%
8°C
5°C
  • ●
  • ●
  • ●
09:00
5.2kts
7.5kts
0.8m
9.5sec
0mm
0%
11°C
8°C
  • ●
  • ●
  • ●
12:00
4.2kts
4.7kts
0.7m
9.4sec
0mm
0%
14°C
11°C
  • ●
  • ●
  • ●
15:00
3kts
3.9kts
0.6m
9.1sec
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●
18:00
3.3kts
3.7kts
0.6m
9sec
0mm
0%
9°C
9°C
  • ●
  • ●
  • ●

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

Wind angle today

Explore other spots in a w wind direction.