MARINE WEATHER

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Marine Weather

Marine weather for Attu

Lat: 67.95000, Lon: -53.73333

Greenland, 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
Sat 18
May
01:00

341°

62-999.0N/A0.0N/A271900.07410286
 04:00

331°

43-999.0N/A0.0N/A262000.07410276
 07:00

101°

53-999.0N/A0.0N/A261940.07710276
 10:00

43°

52-999.0N/A0.0N/A292140.08010286
 13:00

10°

82-999.0N/A0.0N/A312230.07510286
 16:00

359°

82-999.0N/A0.0N/A312310.07310276
 19:00

347°

72-999.0N/A0.0N/A292220.07410276
 22:00

350°

32-999.0N/A0.0N/A282250.07410266
Sun 19
May
01:00

50°

22-999.0N/A0.0N/A282550.07410256
 04:00

80°

32-999.0N/A0.0N/A262260.07810256
 07:00

103°

32-999.0N/A0.0N/A262250.08010256
 10:00

90°

32-999.0N/A0.0N/A302740.07810246
 13:00

45°

22-999.0N/A0.0N/A343120.07310246
 16:00

16°

42-999.0N/A0.0N/A353020.07010236
 19:00

12°

62-999.0N/A0.0N/A322620.06910236
 22:00

19°

62-999.0N/A0.0N/A292110.07210236
The 7 day weather forecast summary for Attu, Greenland, Global Ports:

Taking a look at the forecast over the coming week and the average daytime maximum will be around 1°C, with a high of 3°C expected on Wednesday morning. The average minimum temperature for the week ahead will be around -2°C, dipping to its lowest on Saturday morning at -4°C. There is no significant precipitation forecast for the period. The strongest wind will be felt on Wednesday morning, coming from the north, and reaching around 11mph, that's about 18km/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