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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 Wind Forecast

GFS 27km wind and atmospheric forecast data for Portland Harbour.

Thursday 5 November (Today)

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
15.4kts
20.6kts
100%
29%
39%
0.7mm
12.1°C
10°C
03:00
14.8kts
19.8kts
100%
81%
77%
0.5mm
12°C
6°C
06:00
14.7kts
19.2kts
100%
56%
68%
1mm
12°C
10°C
09:00
14.4kts
18.1kts
88%
34%
54%
0.2mm
12.3°C
10°C
12:00
14.2kts
15.1kts
88%
63%
35%
0.3mm
13.4°C
10°C
15:00
12.2kts
14.1kts
97%
73%
9%
0.2mm
12.8°C
10°C
18:00
10.5kts
12.7kts
99%
71%
5%
0.4mm
12.2°C
10°C
21:00
9.2kts
11.5kts
85%
12%
1%
0.1mm
10.9°C
7°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 Dir Cloud Mid High Rain Chill Temp
00:00
6.3kts
10.6kts
91%
13%
13%
0.5mm
11.6°C
10°C
03:00
4.5kts
8.3kts
93%
65%
27%
0.4mm
11.5°C
10°C
06:00
4.6kts
7.5kts
90%
48%
34%
1.2mm
11.1°C
9°C
09:00
3kts
6.9kts
79%
19%
23%
1mm
12.3°C
10°C
12:00
2.1kts
5.6kts
71%
10%
18%
1.4mm
13.8°C
11°C
15:00
1.3kts
5.2kts
53%
0%
3%
0.2mm
13.4°C
11°C
18:00
2kts
5kts
58%
0%
5%
0.3mm
11.4°C
10°C
21:00
1.4kts
4.2kts
56%
0%
4%
0.1mm
11.1°C
10°C

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

Saturday 7 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
2.2kts
4.2kts
45%
0%
2%
0.2mm
10.7°C
10°C
03:00
3.1kts
5.4kts
63%
0%
0%
0.4mm
10.7°C
9°C
06:00
3.3kts
4.5kts
57%
11%
0%
1.1mm
10.7°C
9°C
09:00
4.7kts
5.1kts
61%
77%
0%
0.5mm
12.2°C
10°C
12:00
4.9kts
5.2kts
62%
88%
0%
0.8mm
13°C
10°C
15:00
3.2kts
3.9kts
46%
79%
0%
0mm
13°C
11°C
18:00
1.3kts
2.7kts
44%
57%
0%
0.1mm
11.1°C
10°C
21:00
1kts
2.2kts
36%
6%
0%
0.1mm
10.4°C
9°C

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

Sunday 8 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
2.1kts
2.9kts
35%
9%
0%
0.2mm
10°C
9°C
03:00
3.3kts
3.7kts
15%
0%
0%
0.2mm
9.6°C
8°C
06:00
4.4kts
4kts
25%
0%
0%
0.4mm
9.3°C
8°C
09:00
5.8kts
5.7kts
15%
0%
0%
0mm
11.4°C
9°C
12:00
5.6kts
5.2kts
14%
0%
0%
0.1mm
14°C
11°C
15:00
5.6kts
5.5kts
17%
0%
0%
0mm
12.9°C
11°C
18:00
7.2kts
6.7kts
14%
0%
0%
0mm
9.9°C
7°C
21:00
7.7kts
7.5kts
4%
0%
0%
0mm
9.6°C
6°C

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

Monday 9 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
7.9kts
8.2kts
6%
0%
1%
0.1mm
9.4°C
6°C
03:00
7kts
7.8kts
8%
0%
11%
0mm
9.2°C
6°C
06:00
10.4kts
13kts
8%
0%
24%
0.1mm
9.6°C
5°C
09:00
13.4kts
18.5kts
31%
0%
41%
0mm
11.3°C
6°C
12:00
16.4kts
19.3kts
31%
0%
42%
0mm
13.3°C
11°C
15:00
18.4kts
21.6kts
33%
0%
43%
0mm
12.7°C
11°C
18:00
18kts
25.5kts
17%
0%
41%
0mm
10.5°C
6°C
21:00
19.3kts
27.2kts
0%
0%
14%
0mm
10.5°C
6°C

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

Tuesday 10 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
19.2kts
27kts
0%
0%
12%
0mm
10.3°C
5°C
03:00
20.1kts
28.2kts
0%
7%
46%
0mm
10.3°C
5°C
06:00
20.9kts
29.8kts
0%
32%
52%
0mm
10.3°C
5°C
09:00
21.3kts
29.7kts
0%
54%
88%
0mm
11.5°C
10°C
12:00
21.6kts
27.2kts
0%
50%
87%
0mm
13.4°C
11°C
15:00
19.9kts
25.6kts
0%
25%
55%
0mm
12.7°C
11°C
18:00
18.1kts
25.7kts
7%
53%
66%
0mm
11.2°C
10°C
21:00
18.4kts
25.8kts
44%
80%
85%
0mm
10.8°C
10°C

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

Wednesday 11 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
16.7kts
24kts
50%
73%
89%
0.1mm
10.6°C
6°C
03:00
15.6kts
22.7kts
56%
72%
85%
0mm
10.3°C
5°C
06:00
16.5kts
23.8kts
56%
73%
74%
0mm
10.2°C
5°C
09:00
16.8kts
23.9kts
59%
40%
49%
0mm
11.4°C
10°C
12:00
18.3kts
21.3kts
63%
23%
52%
0mm
13.7°C
12°C
15:00
17.4kts
21.8kts
65%
6%
71%
0mm
13°C
12°C
18:00
16.7kts
23.7kts
64%
4%
80%
0mm
11.3°C
10°C
21:00
15.9kts
23.7kts
68%
3%
99%
0mm
11.1°C
10°C

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

Thursday 12 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
15.5kts
22.7kts
71%
13%
99%
0.4mm
11.3°C
10°C
03:00
15kts
21.4kts
93%
48%
100%
0.4mm
12.2°C
11°C
06:00
14.6kts
20.9kts
95%
73%
100%
1.9mm
12.4°C
11°C
09:00
14.8kts
21.2kts
100%
92%
74%
1mm
12.6°C
12°C
12:00
13.8kts
19.4kts
99%
75%
54%
1.4mm
13.1°C
12°C
15:00
13.5kts
18.7kts
94%
6%
82%
0.4mm
13.2°C
12°C
18:00
13.7kts
19.3kts
93%
21%
91%
0.6mm
13.1°C
13°C
21:00
13kts
19.9kts
88%
91%
94%
0.3mm
13.2°C
13°C

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

Friday 13 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
14.7kts
22kts
94%
95%
97%
1.9mm
13.5°C
13°C
03:00
16kts
24.3kts
100%
96%
42%
3.6mm
13.7°C
13°C
06:00
12.4kts
19.8kts
100%
84%
41%
5.7mm
13.9°C
13°C
09:00
8.1kts
12.6kts
98%
23%
87%
0.4mm
14.3°C
14°C
12:00
7.3kts
9.9kts
99%
15%
75%
0.6mm
15.1°C
15°C
15:00
5.5kts
6.9kts
69%
5%
62%
0.2mm
14.7°C
15°C
18:00
3kts
3.7kts
52%
3%
38%
0.2mm
12.5°C
13°C
21:00
2.8kts
3.3kts
41%
0%
6%
0mm
12.2°C
13°C

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

Saturday 14 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
00:00
2.3kts
3.2kts
38%
0%
7%
0.1mm
12°C
12°C
03:00
4.8kts
5.3kts
46%
0%
6%
0mm
12.3°C
12°C
06:00
7kts
7.9kts
34%
0%
5%
0mm
12.2°C
12°C
09:00
8.2kts
10.3kts
33%
0%
0%
0mm
13.5°C
13°C
12:00
10.2kts
11.8kts
23%
0%
0%
0mm
14.6°C
13°C
15:00
10.7kts
13.1kts
0%
0%
0%
0mm
13.8°C
13°C
18:00
10.4kts
11.2kts
0%
0%
9%
0mm
11.5°C
11°C
21:00
6.8kts
8.1kts
65%
55%
60%
0.1mm
11.9°C
11°C

Sunrise: 07:21 / Sunset: 16:27 Twilight: 06:45 / 17:03

Sunday 15 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
09:00
4.5kts
6kts
100%
30%
82%
0.6mm
12.8°C
12°C
21:00
17.4kts
22kts
90%
47%
44%
0.3mm
11.3°C
5°C

Sunrise: 07:22 / Sunset: 16:26 Twilight: 06:46 / 17:01

Monday 16 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
09:00
17.2kts
23kts
71%
40%
77%
0mm
9.4°C
2°C
21:00
19.8kts
27.1kts
63%
0%
10%
0mm
7.7°C
-2°C

Sunrise: 07:24 / Sunset: 16:24 Twilight: 06:48 / 17:00

Tuesday 17 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
09:00
15.8kts
20.6kts
2%
0%
4%
0mm
6.9°C
-3°C
21:00
7.8kts
9.4kts
0%
0%
0%
0mm
6.3°C
-2°C

Sunrise: 07:26 / Sunset: 16:23 Twilight: 06:49 / 16:59

Wednesday 18 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
09:00
8.7kts
10.4kts
5%
0%
0%
0mm
7.6°C
2°C
21:00
9.9kts
11.9kts
4%
2%
29%
0mm
7.3°C
1°C

Sunrise: 07:27 / Sunset: 16:22 Twilight: 06:51 / 16:58

Thursday 19 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
09:00
13.1kts
19.8kts
76%
90%
78%
0.1mm
9.9°C
5°C
21:00
19.2kts
26.8kts
97%
21%
49%
0.1mm
11.6°C
11°C

Sunrise: 07:29 / Sunset: 16:21 Twilight: 06:52 / 16:57

Friday 20 November

Wind Gust Dir Cloud Mid High Rain Chill Temp
09:00
19.6kts
28.8kts
100%
42%
74%
0.9mm
13°C
12°C

Sunrise: 07:30 / Sunset: 16:19 Twilight: 06:54 / 16:56