Thursday, June4, 2020
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Marine Weather and Tides
Boise City, ID

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:02AMSunset 9:23PM Thursday June 4, 2020 9:43 PM MDT (03:43 UTC) Moonrise 7:23PMMoonset 4:24AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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 Boise City, ID
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location: 43.6, -116.25     debug


Area Discussion for - Boise, ID
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FXUS65 KBOI 050301 AFDBOI

Area Forecast Discussion National Weather Service Boise ID 901 PM MDT Thu Jun 4 2020

DISCUSSION. Showers and thunderstorms continue to impact southeast Oregon this evening, with some activity starting to trail into extreme southwestern Idaho. Additional activity is favored, with more thunderstorms moving into the forecast area over the next hour or two. Activity is expected to weaken tonight ahead of the approaching area of low pressure scheduled to make a larger impact on the area Friday and Saturday. Will continue to evaluate storm progression this evening to ensure forecast remains generally on track. Forecast otherwise remains on track with hot temperatures anticipated across the valleys tomorrow.

AVIATION. VFR. Isolated thunderstorms across extreme SE Oregon tonight, then clearing. Showers and thunderstorms redeveloping across region after 21z/Fri near KTWF KJER and near KBKE KBNO. Storms may contain hail on Fri afternoon. Surface winds: variable 5-10kt becoming SW-SE 15-25kt on Fri afternoon. Gusty erratic winds in vicinity of t-storms up to 45kt. Winds aloft to 10kft MSL: SW 15-25kt.

Weekend Outlook . Intermittent showers expected Saturday, with widespread mountain obscuration and MVFR/IFR conditions developing by Saturday night. Snow levels drop to 5000-7000 feet MSL by Sunday with widespread precipitation and continued flight restrictions.

PREV DISCUSSION. SHORT TERM . Tonight through Saturday night . An isolated shower or thunderstorm is possible this evening in southern Malheur County. Otherwise, it will be mostly clear and mild. Our upper level flow will back to southwesterly tonight and remain that way until Saturday evening, as a strong upper low approaches from the northwest. This low will help bring moist and unstable air into the region tomorrow, setting the stage for showers and thunderstorms tomorrow from the late afternoon into the overnight hours. Some of these showers/storms will have strong gusty winds, with gusts to 50 mph possible. Temps will be hot tomorrow, with readings 15-20 degrees above normal. A cold front will move through Friday night into Saturday as the upper low gets close, and this will dramatically lower temps. Saturday's highs will be 25 to 30 degrees lower than Friday, resulting in readings 10-15 degrees below normal. Showers and thunderstorms will become numerous along and behind the front, with everyone likely to see precip Saturday. Showers, and isolated thunderstorms on the Idaho side, will continue Sat night as low temps fall to around 10 degrees below normal. Snow levels will fall to around 6000 feet in eastern Oregon late Saturday night, allowing snow to accumulate above around 6500 feet. Up to 2 inches are possible above 7500 feet by 6 am Sunday.

LONG TERM . Sunday through Thursday . The upper low is centered just to our west to begin this period brining widespread showers to the area. Afternoon thunderstorms can be expected Sunday with lingering instability associated with this low. Showers linger in the higher elevations Monday as this low exits the region. A second weaker trough pushes through Tuesday bringing showers to our northern zones. The GFS after this wants to bring another short wave through the region Wednesday afternoon while the ECMWF and Canadian both hold off until the next upper level trough to begin next weekend. Left in the mention of showers for the northern zones through Wednesday to account for this with a slight risk of thunderstorms for the higher elevations. Shower chances begin to increase throughout the day Thursday as our next upper level low starts to drop south from off the British Columbia coastline. Temperatures stay below normal through the weekend with Sunday still on track for lower valleys to experience up to 20 degrees below normal for high temperatures. A steady increase will follow with temperatures back above normal by Thursday.

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



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

DISCUSSION . KB AVIATION . KA PREV SHORT TERM . SP PREV LONG TERM . JC


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boise Air Terminal, ID2 mi51 minWNW 410.00 miFair77°F33°F20%1007 hPa
Nampa Municipal Airport, ID15 mi49 minNNW 310.00 miFair77°F35°F22%1009.5 hPa
Caldwell - Caldwell Industrial Airport, ID21 mi48 minN 010.00 miFair76°F44°F32%1007.4 hPa

Link to 5 minute data for KBOI

Wind History from BOI (wind in knots)
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Last 24hrW3CalmE6SE5CalmSW4S4N3NW6NW4NW7W10W10W10W12
G18
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1 day agoN4SE7SE6E6NW5SW4SE5S3W5W36W63NW6NW7NW9N6NW11
G14
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2 days agoNW3CalmSW3CalmCalmS4SE6SE3SE4S5CalmSE3SW3NW6535--45--NW5NW5N3

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: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Boise, ID (23,6,7,8)
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Ground Weather Radar Station Boise, ID
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.