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Weather Forecasts

Today
High
11°
Low
9°
40%
F4
Tomorrow
High
12°
Low
9°
60%
F4
Sun, 22 Feb
High
11°
Low
9°
45%
F5
Mon, 23 Feb
High
11°
Low
9°
20%
F4
Tue, 24 Feb
High
12°
Low
9°
20%
F5
Wed, 25 Feb
High
10°
Low
8°
45%
F4
Thu, 26 Feb
High
10°
Low
8°
45%
F4
Morning
Sunrise 07:12
Max
11°
40%
F4
Rather cloudy, a little rain possible from late morning. Wind southwest moderate F4, perhaps fresh F5 later.
UV 1
Afternoon
Sunset 17:38
Max
11°
55%
F6
Mainly cloudy with a brief spell of patchy rain. Wind southwest fresh F5 to strong F6.
UV 1
Night
Waxing Crescent
Min
9°
40%
F5
Rather cloudy with a little patchy drizzle likely at times. Perhaps some mist or fog patches later. Wind west to southwest fresh F5, occasionally moderate F4 later.

Shipping Forecast

General Situation
At 18:00UTC low 995mb, sea area Bailey, expected 994mb, sea area North Utsire by Saturday. Associated fronts affecting the area at times.

Forecast from 00:00UTC Friday to 00:00UTC Saturday.
Wind
Northwest 4 to 5, locally 3, backing west to southwest towards dawn, increasing 5 to 6 in the northwest of the area from late morning, generally decreasing 4 to 5 later.
Sea State
Rather rough to rough, occasionally very rough in the west, decreasing slight to moderate with a moderate swell later.
Weather
Isolated showers. Patchy rain likely during the afternoon.
Visibility
Good, occasionally moderate.
Outlook from 00:00UTC Saturday to 00:00UTC Sunday.
Wind
West to southwest 4 to 5, locally 6 at times.
Sea State
Slight to moderate with a low swell, soon increasing rather rough to rough in the northwest of the area.
Weather
Patchy rain and drizzle, mist and fog patches.
Visibility
Good to moderate, locally poor or very 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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