MARINE WEATHER

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Marine Weather

Marine weather for Sitka

Lat: 57.05000, Lon: -135.33330

United States of America, 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
Thu 23
May
01:00

92°

12131.2

200°

1.26.74240930.18910105
 04:00

100°

9111.1

200°

0.96.24240980.19310084
 07:00

137°

12200.8

200°

0.66.742401000.19210085
 10:00

170°

15181.1

200°

0.88.744421000.09210091
 13:00

281°

17241.9

200°

1.79.745421000.09510101
 16:00

278°

18230.9

210°

0.115.146421000.09510121
 19:00

277°

14140.4

210°

0.18.244421000.09310141
 22:00

332°

550.5

200°

0.47.44343440.09210143
Fri 24
May
01:00

284°

250.4

200°

0.47.84040350.09110146
 04:00

332°

340.5

200°

0.57.84040540.09010156
 07:00

292°

220.5

200°

0.58.04242120.08210146
 10:00

307°

260.5

200°

0.58.1474690.07210136
 13:00

294°

690.5

200°

0.58.34845460.07010136
 16:00

289°

780.5

200°

0.58.3484550.06910126
 19:00

267°

680.5

200°

0.58.3464450.07210116
 22:00

233°

680.6

200°

0.58.2424180.08710106
The 7 day weather forecast summary for Sitka, United States of America, Global Ports:

Taking a look at the forecast over the coming week and the average daytime maximum will be around 9°C, with a high of 10°C expected on Wednesday morning. The average minimum temperature for the week ahead will be around 5°C, dipping to its lowest on Friday morning at 4°C. Monday is expected to see the most precipitation with around 8mm, or about 0.3inches anticipated. The strongest wind will be felt on Monday morning, coming from the southeast, and reaching around 22mph, that's about 36km/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