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Bordeaux Harbour
Bordeaux Harbour Picture by Peter Frankland
Today
High
15°
Low
12°
100%
F5
Tomorrow
High
14°
Low
12°
55%
F4
Mon, 8 Dec
High
14°
Low
12°
55%
F4
Tue, 9 Dec
High
15°
Low
11°
65%
F6
Wed, 10 Dec
High
13°
Low
10°
35%
F4
Thu, 11 Dec
High
12°
Low
9°
10%
F3
Fri, 12 Dec
High
12°
Low
9°
40%
F5
Morning, Today
High
15°
Cloudy with rain or drizzle, perhaps heavy with mist or hill fog patches at first.
100%
1
UV
F5
West to southwest fresh F5 to strong F6.
Sunrise 07:53
Afternoon
High
15°
Cloudy with patchy rain or drizzle, perhaps some brighter spells later.
70%
1
UV
F6
Southwest strong F6, occasionally strong F7 with gusts to 45mph.
Sunset 16:13
Night
Low
12°
Rather cloudy, some rain possible, mainly at first.
45%
F5
Southwest fresh F5, occasionally strong F6.
Waning Gibbous

Shipping Forecast

General Situation
At 18:00UTC low, 970mb, mid-Atlantic, expected 982mb, near Aberdeen by Monday, with associated fronts affecting the area at times.

11.4°C
Sea Temperature

Forecast from 00:00UTC Sunday to 00:00UTC Monday.
Wind
Southwest 4 to 5, increasing 6 to 7 with gusts to 45 kt by midday, decreasing 4 to 5 later.
Sea State
Rather rough to rough at first, increasing rough to very rough.
Weather
Rain or drizzle, heavy at times with mist patches.
Visibility
Moderate to good, occasionally poor.
Outlook from 00:00UTC Monday to 00:00UTC Tuesday.
Wind
Southwest 4 to 5, increasing 5 to 6 by dawn Monday, backing southerly 4 to 5 by dusk, then increasing 6 to 7 later.
Sea State
Rather rough to rough, decreasing moderate with a low to moderate swell.
Weather
Rain by dusk.
Visibility
Good, occasionally moderate to poor.

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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