Portland Harbour Wind & Weather Forecast | bigsalty.com (2025)

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Wednesday 10 July (Today) Today's tide data Tide chart for Weymouth Thursday 11 July (Tomorrow) Friday 12 July Saturday 13 July Sunday 14 July Monday 15 July Tuesday 16 July Wednesday 17 July Thursday 18 July

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GFS 50km atmospheric forecast data for Portland Harbour.

Wednesday 10 July (Today)

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	14kts	21.4kts	0.2mm	7%	15°C	15°C	● ● ●
04:00	13.4kts	20.3kts	0.1mm	6%	15°C	15°C	● ● ●
07:00	14.5kts	20.6kts	0.2mm	7%	16°C	15°C	● ● ●
10:00	14.2kts	19.8kts	0.1mm	8%	16°C	15°C	● ● ●
13:00	13.9kts	18.1kts	0.1mm	7%	17°C	16°C	● ● ●
16:00	16.5kts	20.8kts	0mm	0%	17°C	16°C	● ● ●
19:00	11.4kts	16.4kts	0mm	0%	16°C	16°C	● ● ●
22:00	8.6kts	11.8kts	0mm	0%	15°C	15°C	● ● ●

Sunrise: 05:08 / Sunset: 21:22 Twilight: 04:23 / 22:06

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Today's tide data

Time	Height (m)
03:10:01	L +0.49
04:44:01	H +0.59
06:17:53	L +0.49
10:34:46	H +1.72
15:11:49	L +0.63
17:39:41	H +0.87
18:10:08	L +0.87
22:30:43	H +1.98

Tide chart for Weymouth

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

Thursday 11 July (Tomorrow)

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	7kts	8.8kts	0mm	0%	15°C	14°C	● ● ●
04:00	4.9kts	6.1kts	0mm	0%	15°C	14°C	● ● ●
07:00	3.6kts	4.4kts	0mm	0%	15°C	14°C	● ● ●
10:00	3.2kts	3.3kts	0mm	0%	16°C	15°C	● ● ●
13:00	2.7kts	3kts	0mm	0%	18°C	16°C	● ● ●
16:00	2.2kts	3.6kts	0mm	0%	20°C	17°C	● ● ●
19:00	2.4kts	4.3kts	0.3mm	0%	17°C	16°C	● ● ●
22:00	7.6kts	11.2kts	1mm	7%	15°C	14°C	● ● ●

Sunrise: 05:09 / Sunset: 21:21 Twilight: 04:25 / 22:05

Friday 12 July

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	11.3kts	18.2kts	2.6mm	17%	15°C	14°C	● ● ●
04:00	16.2kts	23.2kts	2.2mm	55%	16°C	14°C	● ● ●
07:00	23.7kts	32.5kts	4.6mm	65%	15°C	13°C	● ● ●
10:00	22kts	30.1kts	9.6mm	87%	15°C	12°C	● ● ●
13:00	19.6kts	26.8kts	20.1mm	91%	15°C	12°C	● ● ●
16:00	14.4kts	20.9kts	3.7mm	51%	15°C	13°C	● ● ●
19:00	15.1kts	20.3kts	5.9mm	35%	15°C	13°C	● ● ●
22:00	14.1kts	17.7kts	0.9mm	47%	15°C	12°C	● ● ●

Sunrise: 05:10 / Sunset: 21:20 Twilight: 04:26 / 22:04

Saturday 13 July

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	13.3kts	18.8kts	1.9mm	60%	15°C	13°C	● ● ●
04:00	13kts	16.7kts	0.7mm	68%	15°C	13°C	● ● ●
07:00	11.3kts	15.7kts	1mm	43%	15°C	13°C	● ● ●
10:00	9.3kts	10.7kts	0mm	4%	16°C	14°C	● ● ●
13:00	5.2kts	6.1kts	0mm	8%	17°C	16°C	● ● ●
16:00	10.2kts	10.1kts	0.2mm	1%	18°C	16°C	● ● ●
19:00	10.1kts	10.8kts	0.3mm	0%	17°C	16°C	● ● ●
22:00	6.8kts	8.2kts	0mm	0%	15°C	15°C	● ● ●

Sunrise: 05:11 / Sunset: 21:20 Twilight: 04:27 / 22:03

Sunday 14 July

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	6.3kts	7.4kts	0mm	0%	15°C	15°C	● ● ●
04:00	4.8kts	5.8kts	0mm	0%	15°C	15°C	● ● ●
07:00	3.6kts	4.5kts	0mm	0%	15°C	15°C	● ● ●
10:00	5.8kts	6.3kts	0mm	3%	17°C	15°C	● ● ●
13:00	7.2kts	8.3kts	0mm	3%	17°C	16°C	● ● ●
16:00	2.9kts	3.9kts	0.1mm	3%	16°C	15°C	● ● ●
19:00	7.7kts	9kts	0.1mm	3%	16°C	16°C	● ● ●
22:00	10.7kts	14.8kts	0mm	0%	16°C	16°C	● ● ●

Sunrise: 05:12 / Sunset: 21:19 Twilight: 04:29 / 22:02

Monday 15 July

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	12.7kts	20.4kts	0mm	0%	16°C	16°C	● ● ●
04:00	13.1kts	19.3kts	0.3mm	1%	16°C	16°C	● ● ●
07:00	10.7kts	16.6kts	0.5mm	3%	16°C	16°C	● ● ●
10:00	10.3kts	16.1kts	1mm	5%	16°C	16°C	● ● ●
13:00	14.7kts	21.4kts	1.9mm	36%	16°C	16°C	● ● ●
16:00	11.3kts	18kts	0.2mm	11%	17°C	17°C	● ● ●
19:00	11.5kts	19.6kts	1.4mm	20%	16°C	16°C	● ● ●
22:00	15kts	22.7kts	0.1mm	11%	16°C	16°C	● ● ●

Sunrise: 05:13 / Sunset: 21:18 Twilight: 04:30 / 22:01

Tuesday 16 July

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	15kts	21.9kts	0.2mm	12%	16°C	16°C	● ● ●
04:00	12.3kts	18.9kts	0.1mm	18%	16°C	15°C	● ● ●
07:00	12.5kts	19.2kts	0.1mm	10%	16°C	15°C	● ● ●
10:00	14.7kts	20.3kts	0mm	3%	17°C	16°C	● ● ●
13:00	16.4kts	22.2kts	0.1mm	3%	17°C	16°C	● ● ●
16:00	15.7kts	22.5kts	0.2mm	5%	17°C	17°C	● ● ●
19:00	13.2kts	21.8kts	0.2mm	5%	16°C	16°C	● ● ●
22:00	14.7kts	24.4kts	0.3mm	32%	16°C	16°C	● ● ●

Sunrise: 05:14 / Sunset: 21:17 Twilight: 04:31 / 22:00

Wednesday 17 July

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	16.1kts	25.5kts	1.2mm	59%	16°C	16°C	● ● ●
04:00	15.1kts	22.7kts	1.9mm	82%	16°C	16°C	● ● ●
07:00	11.1kts	16kts	3.6mm	91%	16°C	16°C	● ● ●
10:00	8.7kts	11.4kts	0.5mm	95%	17°C	16°C	● ● ●
13:00	9.3kts	11.7kts	1.4mm	73%	17°C	17°C	● ● ●
16:00	12kts	16.2kts	0.6mm	39%	17°C	17°C	● ● ●
19:00	16.1kts	21.7kts	0.9mm	25%	17°C	16°C	● ● ●
22:00	10.7kts	14.1kts	0.2mm	4%	16°C	16°C	● ● ●

Sunrise: 05:15 / Sunset: 21:16 Twilight: 04:33 / 21:58

Thursday 18 July

	Wind	Gust	Rain	Cloud	Temp	Chill	[Wind rating]
01:00	10.4kts	13.6kts	0.2mm	2%	16°C	15°C	● ● ●
04:00	10.6kts	13.7kts	0mm	1%	15°C	15°C	● ● ●
07:00	8.4kts	11.3kts	0mm	1%	16°C	14°C	● ● ●
10:00	10.9kts	14.8kts	0mm	0%	16°C	16°C	● ● ●
13:00	12.4kts	15.7kts	0mm	0%	17°C	17°C	● ● ●
16:00	12.8kts	16.4kts	0mm	0%	17°C	18°C	● ● ●
19:00	13.3kts	17.9kts	0mm	0%	17°C	17°C	● ● ●
22:00	13.1kts	18.6kts	0mm	0%	16°C	15°C	● ● ●

Sunrise: 05:17 / Sunset: 21:15 Twilight: 04:34 / 21:57