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Bordeaux Harbour
Bordeaux Harbour • Picture by Peter Frankland
Today
High
10°
Low
10°
100%
F6
Tomorrow
High
11°
Low
8°
35%
F4
Tue, 13 Jan
High
11°
Low
7°
65%
F5
Wed, 14 Jan
High
11°
Low
7°
40%
F3
Thu, 15 Jan
High
11°
Low
7°
55%
F4
Fri, 16 Jan
High
11°
Low
7°
45%
F3
Sat, 17 Jan
High
11°
Low
7°
45%
F3
Morning
Sunrise 08:04
Max
10°
100%
F6
Cloudy with occasional rain and drizzle. Wind south to southeast fresh F5 to strong F6, perhaps occasionally strong F7 with gusts to 45mph.
UV 1
Afternoon
Sunset 16:33
Max
10°
85%
F6
Cloudy with some patchy rain or drizzle, perhaps heavy and misty around dusk. Wind south to southeast fresh F5 to strong F6, perhaps occasionally strong F7 with gusts to 45mph.
UV 1
Night
Last Quarter
Min
10°
100%
F5
Cloudy with rain at times, perhaps occasionally heavy, with a risk of mist or hill fog. Some clear spells after midnight. Wind south fresh F5 to strong F6, perhaps occasionally strong F7 with gusts to 45mph, veering southwest moderate F4 to fresh F5 towards midnight.

Shipping Forecast

General Situation
At 18:00UTC low, 984mb, mid-Atlantic, expected 962mb Hebrides by Monday, with associated fronts affecting the area for a time.

10.0°C
Sea Temperature

Forecast from 00:00UTC Sunday to 00:00UTC Monday.
Wind
South to southeast 4 to 5, increasing 6 to 7 by dawn, with gusts to 45kt by midday, perhaps occasionally gale 8 mid-Channel for a time, veering southwest 4 to 6 later.
Sea State
Slight with a low swell, increasing moderate to rather rough around dawn, further increasing rough in the north of the area by midday.
Weather
Rain and drizzle by dawn, perhaps locally heavy with a risk of mist or fog patches later.
Visibility
Good, occasionally moderate, perhaps locally poor or very poor later.
Outlook from 00:00UTC Monday to 00:00UTC Tuesday.
Wind
South to southwest 4 to 6, decreasing 3 to 5 later.
Sea State
Slight to moderate with a low to moderate swell in the southeast of the area, rather rough to rough in the northwest.
Weather
Rain and drizzle by dawn, mainly in the southeast of the area, with a risk of mist or fog patches, clearing by afternoon. Isolated showers, mainly in the northwest.
Visibility
Good, occasionally moderate, perhaps locally poor or very poor for a time.

Understanding the Forecast

The wind speed is given in the Beaufort Scale on an 8 point compass with a variability of +-45°. Terms commonly used in association with the wind and other parts of the forecast include:

Veering - a change of wind in the clockwise sense (up to 180°)
Backing – a change of wind in the anticlockwise sense (up to 180°)
At first – within the first 12 hours
Later – within the latter 12 hours
Occasional/occasionally – lasts less than half the time (location or time specific)
At times – non-persistent (lasts more than half the forecast period)
For a time – a transient state

Waves or sea state is the forecast of the mean of the largest 7% of combined wind and swell waves. Wind waves are locally produced waves; swell waves are produced by distant strong winds. Sea state descriptions equate to the following wave heights:

Description

Height

Smooth

< 0.5m

Slight

0.5 - 1.25m

Moderate

1.25 - 2.5m

Rough

2.5 - 4.0m

Very Rough

4.0 - 6.0m

High

6.0 - 9.0m

Very High

9.0 - 14.0m

Phenomenal

> 14m

Visibility measurements equate to the following distances in nautical miles and kilometers:

Description

Distance N.Mi

Distance Km

Good

> 5 n.mi

> 10 km

Moderate

2 - 5 n.mi

3.7 - 9 km

Poor

0.6 - 2 n.mi

1.0 - 3.7 km

Very Poor

< 0.6 n.mi

< 1000 m

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