Tuesday, December7, 2021
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Marine Weather and Tides
Garden City, ID

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 8:02AMSunset 5:09PM Monday December 6, 2021 11:40 PM MST (06:40 UTC) Moonrise 10:59AMMoonset 7:41PM Illumination 9% Phase: Waxing Crescent; Moon at 3 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Garden City, ID
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location: 43.68, -116.25     debug


Area Discussion for - Boise, ID
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FXUS65 KBOI 070338 AFDBOI

Area Forecast Discussion National Weather Service Boise ID 838 PM MST Mon Dec 6 2021

DISCUSSION. Snow and rain showers continue this evening, with some locations also starting to report some developing fog. Completed a quick update to move the onset of fog to an earlier time, but otherwise the forecast remains on track. Will continue to monitor in case showers linger longer than anticipated. Showers will continue to diminish through the overnight hours, with foggy conditions favored. Dry conditions then expected through Tuesday evening. Another system remains in the forecast for Wednesday.

AVIATION. Areas of MVFR/IFR in rain and snow. Decreasing showers overnight, becoming isolated. MVFR to LIFR in fog and stratus overnight, with mountains obscured. Improving conditions after 18Z/Tue, but areas of low stratus and mountain obscurations likely to linger. Surface winds: variable 10 kt or less. Winds aloft at 10kft MSL: NW 15-25 kt.

PREV DISCUSSION. SHORT TERM . Tonight through Wednesday night . An upper trough will continue to move through the region this afternoon with rain and snow tapering off by midnight. Webcams across the ski areas only showing around 1 to 2 inches of snow by this afternoon. Additional light snow accumulations possible mainly across the mountains of Idaho into the evening hours. Otherwise an upper ridge builds into the region bringing light winds overnight. These light winds in combination with the added surface moisture from todays system should help bring stratus and patchy fog to the lower elevations after midnight. Dry conditions expected Tuesday and early into Wednesday before the next system moves in Wednesday afternoon. As this system pushes into the region, snow levels expected to be 3-4,000 feet north of Boise and Burns and near 5500 feet along the Id/NV border area. Additional light snow accumulations possible with this system across the West Central Mtns of Idaho.

LONG TERM . Thursday through Monday . An active pattern will persist through the long term with a few upper level troughs affecting the region. Scattered snow showers will continue at higher elevations through Thursday and Friday. Snow levels will lower from 4000 feet MSL to around 2000 feet MSL. Precipitation will stay near the Central Mountains in ID and Baker County, OR, and south of the Snake River Plain, near the ID- NV border through Thursday evening. A minimal chance of precipitation in the valleys along the I-84 corridor is expected with this system. A ridge will build in Friday night, bringing dry conditions and above normal temperatures through Saturday afternoon. An atmospheric river will bring widespread high elevation snow and a valley rain-snow mix Saturday night into Monday afternoon. Snow levels will stay around 3000-4000 feet MSL through Monday. Minimal accumulations are expected with this system, although model uncertainty still remains with timing and location of precipitation.

BOI WATCHES/WARNINGS/ADVISORIES. ID . None. OR . None.



www.weather.gov/Boise www.facebook.com/NWSBoise www.twitter.com/NWSBoise

DISCUSSION . KB AVIATION . SH PREV SHORT TERM . CR PREV LONG TERM . SA


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boise Air Terminal, ID7 mi48 minWNW 50.50 miFog35°F33°F93%1018.5 hPa
Nampa Municipal Airport, ID16 mi46 minW 43.00 miFog/Mist34°F34°F100%1017.9 hPa
Caldwell - Caldwell Industrial Airport, ID21 mi45 minW 44.00 miFog/Mist33°F32°F96%1020.2 hPa

Link to 5 minute data for KBOI

Wind History from BOI (wind in knots)
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This dayE3E4SW6S4000SW3N30W4N4NE5E5SE6SE5E6SE40000NW5NW5
1 day agoNW5NW8SW4NW4W6NW3NW4W4NW6W8W8W9NW13
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NW15NW10NW8NW8W6SW400
2 days agoNW500NE5SE400NW3E400N4NW30E5W3E4S3000E3E60

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of PacificNorthwest    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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