To customise your experience, sign in or sign up:

Remember me

Search for a spot name or postcode..

Calshot Weather Forecast

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

Friday 11 September (Today)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
07:00
6.6kts
8.7kts
1.4m
6.3sec
-1mm
-1%
15°C
15°C
  • ●
  • ●
  • ●
10:00
8kts
9.8kts
1.2m
6.3sec
0mm
2%
20°C
17°C
  • ●
  • ●
  • ●
13:00
7.1kts
8.3kts
1m
8.6sec
0.1mm
3%
23°C
20°C
  • ●
  • ●
  • ●
16:00
6.9kts
8.7kts
0.8m
8.8sec
0mm
0%
23°C
21°C
  • ●
  • ●
  • ●
19:00
7.3kts
11.1kts
0.8m
8.8sec
0mm
0%
19°C
18°C
  • ●
  • ●
  • ●
22:00
6.3kts
6.9kts
0.7m
8.7sec
0mm
0%
15°C
16°C
  • ●
  • ●
  • ●

Sunrise: 06:33 / Sunset: 19:30 Twilight: 05:59 / 20:04

°C

more >>

Today's tide data

Time Height (m)
05:17:43 L +0.71
12:21:26 H +4.82
17:37:34 L +0.83
00:30:49 H +4.74

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

Saturday 12 September (Tomorrow)

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
5.2kts
5.4kts
0.7m
8.8sec
0mm
0%
14°C
14°C
  • ●
  • ●
  • ●
04:00
4.2kts
4.7kts
0.6m
8.5sec
0mm
0%
14°C
13°C
  • ●
  • ●
  • ●
07:00
6kts
8.4kts
0.6m
8.4sec
0mm
0%
14°C
13°C
  • ●
  • ●
  • ●
10:00
10.7kts
14.1kts
0.7m
8.2sec
0mm
0%
20°C
17°C
  • ●
  • ●
  • ●
13:00
13.8kts
16.1kts
0.8m
5.4sec
0mm
0%
23°C
20°C
  • ●
  • ●
  • ●
16:00
15.6kts
18.2kts
1m
4.2sec
0mm
0%
22°C
20°C
  • ●
  • ●
  • ●
19:00
13.6kts
19.8kts
1.1m
4.6sec
0mm
0%
18°C
18°C
  • ●
  • ●
  • ●
22:00
12.2kts
21kts
1.1m
4.7sec
0mm
0%
17°C
17°C
  • ●
  • ●
  • ●

Sunrise: 06:34 / Sunset: 19:28 Twilight: 06:01 / 20:01

Sunday 13 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
11.9kts
22.6kts
1.1m
4.8sec
0.3mm
1%
18°C
17°C
  • ●
  • ●
  • ●
04:00
11.9kts
21.9kts
1.1m
4.9sec
0.5mm
33%
18°C
17°C
  • ●
  • ●
  • ●
07:00
11.7kts
19.2kts
1.2m
5.1sec
2.4mm
62%
18°C
17°C
  • ●
  • ●
  • ●
10:00
12.3kts
16.8kts
1.1m
5.2sec
1mm
42%
20°C
19°C
  • ●
  • ●
  • ●
13:00
10.8kts
13.6kts
1m
5.2sec
1mm
23%
24°C
21°C
  • ●
  • ●
  • ●
16:00
11.1kts
14kts
0.9m
5.2sec
0mm
0%
24°C
22°C
  • ●
  • ●
  • ●
19:00
8.8kts
14.4kts
0.9m
5sec
0mm
0%
19°C
19°C
  • ●
  • ●
  • ●
22:00
5.9kts
7.9kts
0.8m
4.6sec
0mm
0%
16°C
17°C
  • ●
  • ●
  • ●

Sunrise: 06:36 / Sunset: 19:26 Twilight: 06:02 / 19:59

Monday 14 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
5.6kts
8.6kts
0.7m
4.6sec
0mm
0%
16°C
16°C
  • ●
  • ●
  • ●
04:00
5.6kts
7.2kts
0.6m
6.9sec
0mm
0%
15°C
15°C
  • ●
  • ●
  • ●
07:00
4.4kts
5.6kts
0.6m
9.5sec
0mm
0%
16°C
16°C
  • ●
  • ●
  • ●
10:00
7kts
10.5kts
0.5m
9.4sec
0mm
24%
20°C
19°C
  • ●
  • ●
  • ●
13:00
9.3kts
12.8kts
0.5m
9.2sec
0mm
49%
23°C
21°C
  • ●
  • ●
  • ●
16:00
9.6kts
14.1kts
0.6m
9.1sec
0.2mm
33%
22°C
21°C
  • ●
  • ●
  • ●
19:00
9.2kts
14.8kts
0.6m
9sec
0.2mm
22%
20°C
20°C
  • ●
  • ●
  • ●
22:00
7kts
12.8kts
0.5m
8.9sec
0mm
0%
18°C
18°C
  • ●
  • ●
  • ●

Sunrise: 06:37 / Sunset: 19:23 Twilight: 06:04 / 19:57

Tuesday 15 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
6.6kts
13.2kts
0.5m
8.8sec
0mm
1%
17°C
17°C
  • ●
  • ●
  • ●
04:00
5.6kts
11.2kts
0.4m
8.6sec
0mm
7%
17°C
17°C
  • ●
  • ●
  • ●
07:00
4.5kts
8kts
0.4m
8.5sec
0.7mm
9%
18°C
18°C
  • ●
  • ●
  • ●
10:00
6.3kts
9.8kts
0.4m
8.5sec
1.7mm
23%
19°C
18°C
  • ●
  • ●
  • ●
13:00
5.1kts
7.6kts
0.4m
8.4sec
2.3mm
40%
21°C
19°C
  • ●
  • ●
  • ●
16:00
9.4kts
12.8kts
0.4m
8.4sec
0.8mm
38%
20°C
19°C
  • ●
  • ●
  • ●
19:00
10.9kts
19.6kts
0.8m
3.6sec
1.1mm
27%
17°C
16°C
  • ●
  • ●
  • ●
22:00
11.1kts
20.2kts
0.9m
3.8sec
0mm
2%
14°C
14°C
  • ●
  • ●
  • ●

Sunrise: 06:39 / Sunset: 19:21 Twilight: 06:06 / 19:54

Wednesday 16 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
9.4kts
17.6kts
1.1m
4.7sec
0mm
1%
13°C
12°C
  • ●
  • ●
  • ●
04:00
9.5kts
18.5kts
1m
4.2sec
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●
07:00
10.1kts
20.5kts
0.9m
3.9sec
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●
10:00
12.2kts
14.7kts
0.9m
3.8sec
0mm
0%
17°C
14°C
  • ●
  • ●
  • ●
13:00
10.5kts
12.2kts
0.8m
4.3sec
0mm
1%
20°C
16°C
  • ●
  • ●
  • ●
16:00
10.2kts
12.2kts
0.8m
4.3sec
0mm
0%
20°C
17°C
  • ●
  • ●
  • ●
19:00
11.4kts
15.3kts
1m
4.4sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●
22:00
9.6kts
16.8kts
0.8m
4.2sec
0mm
0%
14°C
13°C
  • ●
  • ●
  • ●

Sunrise: 06:40 / Sunset: 19:19 Twilight: 06:07 / 19:52

Thursday 17 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
11.2kts
18.9kts
1m
4.5sec
0mm
0%
15°C
13°C
  • ●
  • ●
  • ●
04:00
13.8kts
22kts
1.3m
5.1sec
0mm
32%
15°C
14°C
  • ●
  • ●
  • ●
07:00
15kts
23.2kts
1.6m
5.6sec
0.4mm
53%
16°C
15°C
  • ●
  • ●
  • ●
10:00
15kts
20.9kts
1.8m
6.1sec
0.8mm
96%
17°C
16°C
  • ●
  • ●
  • ●
13:00
16.8kts
20.3kts
1.8m
6.4sec
1.2mm
82%
21°C
18°C
  • ●
  • ●
  • ●
16:00
17.3kts
20.4kts
1.6m
6.3sec
0mm
0%
20°C
18°C
  • ●
  • ●
  • ●
19:00
13.7kts
18.3kts
1.5m
6.2sec
0mm
0%
16°C
16°C
  • ●
  • ●
  • ●
22:00
10.2kts
15.5kts
1.4m
6sec
0mm
0%
13°C
12°C
  • ●
  • ●
  • ●

Sunrise: 06:42 / Sunset: 19:17 Twilight: 06:09 / 19:50

Friday 18 September

Wind Gust Swell Period Rain Cloud Temp Chill [Wind rating]
01:00
7.8kts
11.1kts
1.2m
5.9sec
0mm
0%
12°C
11°C
  • ●
  • ●
  • ●
04:00
8.5kts
14.9kts
1m
5.8sec
0mm
0%
12°C
11°C
  • ●
  • ●
  • ●
07:00
7.7kts
13.5kts
1m
5.4sec
0mm
0%
12°C
11°C
  • ●
  • ●
  • ●
10:00
10kts
12.9kts
0.9m
4.8sec
0mm
0%
18°C
14°C
  • ●
  • ●
  • ●
13:00
11.3kts
12.4kts
0.8m
4.2sec
0mm
0%
21°C
17°C
  • ●
  • ●
  • ●
16:00
12.5kts
13.8kts
0.8m
4sec
0mm
0%
20°C
18°C
  • ●
  • ●
  • ●
19:00
9.9kts
14.2kts
0.8m
4sec
0mm
0%
16°C
15°C
  • ●
  • ●
  • ●

Sunrise: 06:43 / Sunset: 19:14 Twilight: 06:10 / 19:47

Wind angle today

Explore other spots in a w wind direction.

w locations >>
© Bigsalty Weather 2026 About Bigsalty · Contact us · Advertise with us · Terms & Conditions · Privacy Policy (GDPR)