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MARINE WEATHER

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Marine Weather

Marine weather for Belfast

Lat: 54.61666, Lon: -5.90000

United Kingdom, Global Ports

DATE WIND WAVES SWELL WEATHER TEMPERATURE  
Date Local Time Dir Speed Gust Hsig Ht. Dir Height Period Icon Air Feels Like Cloud Precip RH Pressure Vis
Units =>degktsktsmdegmsecs °F°F%In%mbmiles
Wed 17
Oct
09:00

293°

11150.1N/A0.0N/A5046200.008710186
 12:00

311°

11150.1N/A0.0N/A535000.006710206
 15:00

314°

10120.1N/A0.0N/A5350240.006710226
 18:00

317°

9120.1N/A0.0N/A474420.007910256
 21:00

309°

9110.1N/A0.0N/A444100.008510276
Thu 18
Oct
00:00

298°

9110.1N/A0.0N/A423900.008910286
 03:00

300°

890.1N/A0.0N/A413800.009010286
 06:00

299°

670.1N/A0.0N/A413800.009010296
 09:00

290°

440.1N/A0.0N/A464500.008210296
 12:00

156°

350.0N/A0.0N/A515000.006910286
 15:00

175°

590.1N/A0.0N/A524900.007110276
 18:00

174°

7100.1N/A0.0N/A454200.008610266
 21:00

179°

9130.1N/A0.0N/A454100.008910266
The 7 day weather forecast summary for Belfast, United Kingdom, Global Ports:

Taking a look at the forecast over the coming week and the average daytime maximum will be around 12°C, with a high of 14°C expected on Sunday morning. The average minimum temperature for the week ahead will be around 7°C, dipping to its lowest on Thursday morning at 5°C. Sunday is expected to see the most precipitation with around 2mm, or about 0.1inches anticipated. The strongest wind will be felt on Sunday morning, coming from the northwest, and reaching around 20mph, that's about 32km/h.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure