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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.

Portland Harbour Weather Forecast

GFS 50km atmospheric forecast data for Portland Harbour.

Thursday 5 November (Today)

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
18.8kts
22.6kts
0.5mm
48%
14°C
10°C
  • ●
  • ●
  • ●
03:00
17.6kts
21.3kts
0.4mm
64%
14°C
6°C
  • ●
  • ●
  • ●
06:00
19.4kts
22.1kts
0.9mm
65%
14°C
10°C
  • ●
  • ●
  • ●
09:00
17.5kts
19.8kts
0.3mm
84%
14°C
10°C
  • ●
  • ●
  • ●
12:00
17.2kts
18.1kts
0.4mm
86%
14°C
10°C
  • ●
  • ●
  • ●
15:00
15.1kts
16.3kts
0.2mm
75%
14°C
10°C
  • ●
  • ●
  • ●
18:00
13kts
14.9kts
0.3mm
60%
14°C
10°C
  • ●
  • ●
  • ●
21:00
12.2kts
14.2kts
0.1mm
41%
13°C
10°C
  • ●
  • ●
  • ●

Sunrise: 07:06 / Sunset: 16:40 Twilight: 06:31 / 17:15

Today's tide data

Time Height (m)
03:46:16 H +1.78
07:59:28 L +0.97
09:39:50 H +1.05
11:23:13 L +0.96
15:44:41 H +1.91
20:43:08 L +0.71
21:59:20 H +0.76
23:48:27 L +0.64

Tide chart for Weymouth

Bigsalty Tide Charts

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

Friday 6 November (Tomorrow)

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
13.1kts
14.6kts
0.6mm
58%
14°C
10°C
  • ●
  • ●
  • ●
03:00
12.2kts
13.6kts
0.5mm
22%
14°C
10°C
  • ●
  • ●
  • ●
06:00
12.4kts
14.2kts
1.4mm
18%
13°C
10°C
  • ●
  • ●
  • ●
09:00
10.7kts
12.2kts
1.1mm
28%
14°C
10°C
  • ●
  • ●
  • ●
12:00
7.5kts
8.4kts
1.9mm
15%
14°C
12°C
  • ●
  • ●
  • ●
15:00
4.5kts
5.1kts
0.6mm
0%
14°C
12°C
  • ●
  • ●
  • ●
18:00
2.1kts
3.7kts
1.3mm
1%
14°C
11°C
  • ●
  • ●
  • ●
21:00
2.1kts
3.1kts
0.3mm
4%
14°C
11°C
  • ●
  • ●
  • ●

Sunrise: 07:07 / Sunset: 16:39 Twilight: 06:32 / 17:13

Saturday 7 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
3.6kts
4kts
0.3mm
2%
13°C
11°C
  • ●
  • ●
  • ●
03:00
6.5kts
5.9kts
0.2mm
0%
13°C
10°C
  • ●
  • ●
  • ●
06:00
5.4kts
5.2kts
0.5mm
0%
13°C
9°C
  • ●
  • ●
  • ●
09:00
4.3kts
4.3kts
0.2mm
0%
14°C
10°C
  • ●
  • ●
  • ●
12:00
4.1kts
4.2kts
0.3mm
0%
14°C
10°C
  • ●
  • ●
  • ●
15:00
4.3kts
4.6kts
0.2mm
0%
14°C
11°C
  • ●
  • ●
  • ●
18:00
3.1kts
2.9kts
0.3mm
0%
13°C
10°C
  • ●
  • ●
  • ●
21:00
1.7kts
1.4kts
0.1mm
0%
13°C
10°C
  • ●
  • ●
  • ●

Sunrise: 07:09 / Sunset: 16:37 Twilight: 06:34 / 17:12

Sunday 8 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
2.1kts
1.7kts
0.3mm
0%
13°C
10°C
  • ●
  • ●
  • ●
03:00
4.2kts
3.2kts
0.2mm
0%
13°C
9°C
  • ●
  • ●
  • ●
06:00
6.9kts
6.6kts
0.3mm
0%
13°C
6°C
  • ●
  • ●
  • ●
09:00
6.8kts
6.9kts
0mm
0%
13°C
6°C
  • ●
  • ●
  • ●
12:00
5.7kts
5.4kts
0mm
0%
14°C
10°C
  • ●
  • ●
  • ●
15:00
6.4kts
6.2kts
0mm
3%
14°C
10°C
  • ●
  • ●
  • ●
18:00
8.4kts
8.3kts
0mm
2%
13°C
10°C
  • ●
  • ●
  • ●
21:00
9.9kts
10.3kts
0mm
5%
13°C
10°C
  • ●
  • ●
  • ●

Sunrise: 07:11 / Sunset: 16:35 Twilight: 06:36 / 17:11

Monday 9 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
11.1kts
11.7kts
0.1mm
8%
13°C
10°C
  • ●
  • ●
  • ●
03:00
11.1kts
13.4kts
0.1mm
12%
13°C
10°C
  • ●
  • ●
  • ●
06:00
12.8kts
15.5kts
0.2mm
11%
13°C
10°C
  • ●
  • ●
  • ●
09:00
15.5kts
17.7kts
0.1mm
7%
13°C
11°C
  • ●
  • ●
  • ●
12:00
18.6kts
19.8kts
0.1mm
6%
14°C
11°C
  • ●
  • ●
  • ●
15:00
21.3kts
23kts
0mm
1%
14°C
11°C
  • ●
  • ●
  • ●
18:00
22.4kts
26.2kts
0mm
1%
13°C
11°C
  • ●
  • ●
  • ●
21:00
23.5kts
27.9kts
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●

Sunrise: 07:12 / Sunset: 16:34 Twilight: 06:37 / 17:09

Tuesday 10 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
23.3kts
27.4kts
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●
03:00
23.6kts
28.3kts
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●
06:00
24.4kts
30.2kts
0mm
0%
13°C
10°C
  • ●
  • ●
  • ●
09:00
24.8kts
30.1kts
0mm
7%
13°C
11°C
  • ●
  • ●
  • ●
12:00
24.9kts
28.8kts
0mm
4%
14°C
11°C
  • ●
  • ●
  • ●
15:00
23.7kts
27.6kts
0mm
0%
14°C
12°C
  • ●
  • ●
  • ●
18:00
22.7kts
26.9kts
0mm
0%
13°C
11°C
  • ●
  • ●
  • ●
21:00
22.2kts
26.4kts
0mm
3%
13°C
11°C
  • ●
  • ●
  • ●

Sunrise: 07:14 / Sunset: 16:32 Twilight: 06:39 / 17:08

Wednesday 11 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
21.2kts
24.8kts
0mm
10%
13°C
11°C
  • ●
  • ●
  • ●
03:00
19.9kts
23.2kts
0mm
38%
13°C
11°C
  • ●
  • ●
  • ●
06:00
21.4kts
24.6kts
0mm
58%
13°C
11°C
  • ●
  • ●
  • ●
09:00
21.2kts
24.4kts
0mm
81%
13°C
11°C
  • ●
  • ●
  • ●
12:00
21kts
23.2kts
0mm
79%
14°C
12°C
  • ●
  • ●
  • ●
15:00
21kts
23.6kts
0mm
84%
14°C
12°C
  • ●
  • ●
  • ●
18:00
21kts
24.3kts
0mm
85%
13°C
12°C
  • ●
  • ●
  • ●
21:00
20kts
23.6kts
0mm
77%
13°C
12°C
  • ●
  • ●
  • ●

Sunrise: 07:16 / Sunset: 16:31 Twilight: 06:40 / 17:06

Thursday 12 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
20.2kts
24kts
0.2mm
57%
13°C
12°C
  • ●
  • ●
  • ●
03:00
19.5kts
22.4kts
0.2mm
69%
14°C
12°C
  • ●
  • ●
  • ●
06:00
18.9kts
22.2kts
1.2mm
78%
14°C
12°C
  • ●
  • ●
  • ●
09:00
18kts
21kts
2.3mm
94%
14°C
12°C
  • ●
  • ●
  • ●
12:00
15.6kts
18.1kts
3.3mm
95%
14°C
13°C
  • ●
  • ●
  • ●
15:00
15kts
18.6kts
0.6mm
96%
14°C
13°C
  • ●
  • ●
  • ●
18:00
15.4kts
19.2kts
1.3mm
97%
14°C
13°C
  • ●
  • ●
  • ●
21:00
14.7kts
18.9kts
0.2mm
97%
14°C
13°C
  • ●
  • ●
  • ●

Sunrise: 07:17 / Sunset: 16:30 Twilight: 06:42 / 17:05

Friday 13 November

Wind Gust Rain Cloud Temp Chill [Wind rating]
00:00
17.5kts
23.3kts
1.7mm
96%
14°C
13°C
  • ●
  • ●
  • ●
03:00
19kts
24.8kts
4.1mm
100%
14°C
13°C
  • ●
  • ●
  • ●
06:00
14kts
20.2kts
6.3mm
100%
14°C
14°C
  • ●
  • ●
  • ●
09:00
7.3kts
9.7kts
0.5mm
97%
14°C
14°C
  • ●
  • ●
  • ●
12:00
8kts
10kts
0.6mm
67%
15°C
14°C
  • ●
  • ●
  • ●
15:00
5.9kts
6.7kts
0.1mm
8%
14°C
15°C
  • ●
  • ●
  • ●
18:00
3.2kts
3.7kts
0.2mm
6%
14°C
14°C
  • ●
  • ●
  • ●
21:00
3.4kts
3.9kts
0.1mm
7%
14°C
14°C
  • ●
  • ●
  • ●

Sunrise: 07:19 / Sunset: 16:28 Twilight: 06:43 / 17:04