Saturday, February29, 2020
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Marine Weather and Tides
Covenant Life, AK

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 6:50AMSunset 5:29PM Saturday February 29, 2020 4:22 AM AKST (13:22 UTC) Moonrise 9:02AMMoonset 12:00AM Illumination 34% Phase: Waxing Crescent; Moon at 6 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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PKZ011 Glacier Bay- 357 Am Akst Sat Feb 29 2020
Today..NW wind 15 kt becoming se in the afternoon. Seas 3 ft.
Tonight..SE wind 20 kt. Gusts to 35 kt late. Seas 4 ft. Rain and snow.
Sun..SE wind 25 kt becoming sw in the afternoon. Seas 5 ft. Rain and snow in the morning, then rain showers in the afternoon.
Sun night..S wind 25 kt. Seas 5 ft. Snow showers.
Mon..SE wind 15 kt. Seas 4 ft then 2 ft or less.
Tue..SE wind 20 kt. Seas 4 ft.
Wed..NE wind 25 kt. Seas 5 ft.


7 Day Forecast for Marine Location Near Covenant Life, AK
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location: 58.88, -136.57     debug


Area Discussion for -
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FXAK67 PAJK 282355 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 255 PM AKST Fri Feb 28 2020

SHORT TERM. Showers tapering off from the west and northwest Friday night and early Saturday. A few potential breaks in the cloud cover for the southern and central panhandle combined with lighter winds may allow the formation of patchy fog. The northern portions should not to worry about that as a northerly pressure gradient develops increasing winds to 20 to 30 mph along Lynn Canal. Some cooler air will also spread out of the interior over the northern Lynn canal zones potentially as far south as Juneau. The southern extend will will not be that strong, and that brings us to the forecast issue of the shift.

Will it be enough for several inches of snow anticipated by the earlier issuance of the Winter Storm Watch. The more I was looking at situation, the stronger the belief that it may only be an advisory event of 4 to 6 inches. Will maintain the watch for now since its expected late Saturday night and later models solutions should fine tune to either more or less. Think the Yakutat Haines and Skagway Watches look a little more solid.

The southerly push Sunday, through Lynn Canal also looks impressive as well, and should do well the spread the lower level warmer temperatures into Haines valley, and around Skagway. The higher elevations of White Pass should maintain as snow. Winds speeds with this push could reach gusts of 60 mph or higher at the lower elevations. So may need to separate out the lower elevations to specify just wind issues for Skagway zone, while higher up the mountain, a blizzard warning may be more appropriate. So essentially just going to let the current situation go as is, though portions are looking like they may be better than earlier thought.

LONG TERM. /Sunday through Thursday night/ . This extended range forecast begins with the tail end of a snow event that may finally see seasonal snow totals rise to normal values for the first time in several years. The notable exception to this would be the far northern inner channels. Haines, Skagway, and both highways have seen more than their fair share of snow this season, and in particular, from the second half of January to the present. As the front responsible for this snow event pushes inland, the warm sector will follow and result in Sunday highs in the low to mid 40s. The precipitation will continue, but low elevation snowfall should end by mid morning Sunday. The remainder of this event will consist of rain, moderate to heavy at times, on top of the fresh snow north of Angoon and in Petersburg. For details on exactly how much your location may receive, check out the hourly weather forecast graph accessible from the point-and-click section of the NWS Juneau webpage.

The remainder of the extended range forecast will remain wet and/or snowy. After Sunday, daytime highs will gradually fall and overnight lows will support snow beginning Monday night. Long range models are indicating the next period of dry weather by Thursday night and possibly lasting into the next weekend.

AJK Watches/Warnings/Advisories. PUBLIC . Winter Storm Watch from Saturday evening through Sunday morning for AKZ019-025. Strong Wind from late tonight through Saturday morning for AKZ018-019. Winter Storm Watch from Saturday evening through Sunday afternoon for AKZ018. Winter Storm Watch from Saturday evening through Sunday morning for AKZ017. MARINE . Small Craft Advisory for PKZ012-013-022-041>043-051>053.



Bezenek/Fritsch

Visit us at http://www.weather.gov/Juneau


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BLTA2 - Bartlet Cove AK 47 mi57 min NNE 5.1 G 8 34°F
CSPA2 - Cape Spencer, AK 47 mi73 min NW 15 G 19 38°F 1012.5 hPa31°F
ELFA2 - 9452634 - Elfin Cove, AK 49 mi53 min 36°F 42°F1014.6 hPa

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for PAEL

Wind History from AEL (wind in knots)
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Last 24hr------------------------------5--SW8--W10------W10
1 day ago------------------------------E8--E9--Calm--5--4
2 days ago------------------------------Calm--Calm--5--E7--Calm

Tide / Current Tables for Composite Island, Glacier Bay, Alaska
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Composite Island
Click for Map
Sat -- 04:33 AM AKST     15.46 feet High Tide
Sat -- 07:03 AM AKST     Sunrise
Sat -- 09:01 AM AKST     Moonrise
Sat -- 11:04 AM AKST     2.10 feet Low Tide
Sat -- 04:58 PM AKST     13.27 feet High Tide
Sat -- 05:35 PM AKST     Sunset
Sat -- 11:00 PM AKST     3.59 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.47.410.713.615.215.31411.58.45.332.12.857.910.712.613.312.610.98.56.14.33.6

Tide / Current Tables for Muir Inlet, Glacier Bay, Alaska
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Muir Inlet
Click for Map
Sat -- 04:34 AM AKST     15.46 feet High Tide
Sat -- 07:01 AM AKST     Sunrise
Sat -- 08:59 AM AKST     Moonrise
Sat -- 11:06 AM AKST     2.10 feet Low Tide
Sat -- 04:59 PM AKST     13.27 feet High Tide
Sat -- 05:33 PM AKST     Sunset
Sat -- 11:02 PM AKST     3.59 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.37.310.713.515.215.31411.68.45.43.12.12.84.97.810.612.613.312.610.98.66.14.33.6

Weather Map
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wmap_P
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 (8,2,3,4)
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Ground Weather Radar Station Biorka Is., AK
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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.