Saturday, November28, 2020
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Marine Weather and Tides
Covenant Life, AK

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 8:10AMSunset 3:20PM Friday November 27, 2020 11:55 PM AKST (08:55 UTC) Moonrise 2:53PMMoonset 4:59AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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- 317 Pm Akst Fri Nov 27 2020
.small craft advisory Saturday...
Tonight..Light winds becoming S 20 kt. Seas building to 4 ft. Rain showers and snow showers.
Sat..SE wind 25 kt. Seas 5 ft. Rain and snow.
Sat night..SE wind 20 kt. Gusts to 35 kt. Seas 4 ft. Rain.
Sun..SE wind 20 kt. Gusts to 35 kt. Seas 4 ft. Rain and snow.
Sun night..SE wind 15 kt. Seas 3 ft.
Mon..SE wind 20 kt. Seas 4 ft.
Tue..SE wind 20 kt. Seas 4 ft.
Wed..S wind 15 kt becoming e. Seas 3 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 280008 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 308 PM AKST Fri Nov 27 2020

SHORT TERM. /Through Sun/ Very active short range period with a weak short wave tonight, and a storm force front for Sat that will linger in the southern panhandle into Sun night.

For tonight, The weak low that was forecast to affect the area this evening has ended up with a much further W and N track then was previously indicated (heading toward Prince William Sound rather then the further south and east track of previous forecasts). That has resulted in more showers expected overnight tonight as the weak front associated with it moves onshore overnight. Little wind and not much moisture so any rain and snow amounts will be somewhat low.

The next front is the major story, as that is rather strong. Little in the way of changes for this system, other then some headline updates and accounting for local effects. First the winter storm watches for the Haines and Klondike highways have been upgraded to warnings for Sat. Highest snow amounts will be on the Highways as the towns may start mixing with rain mid day limiting snow amounts in the towns. A winter weather advisory has also been issued for Hyder where 7 to 9 inches of snow could accumulate from Sat afternoon to Sun morning. As for the high wind watches, we have decided to cancel them as expected wind gusts are not expected to reach 60 mph at this time. However, widespread gusts of 45 to 50 mph will be likely for many areas on Sat.

Front moves through most of the panhandle by Sat night with showers showing up for much of the panhandle into Sun. The exception is the southern panhandle where the front hangs up through at least Sun night. So wet weather will continue for the south through that period. There is the possibility of a wave developing along the front and moving into the southern panhandle on Sun, but confidence is rather poor on that at this point.

LONG TERM. /Sunday through Friday night/ . The first of three strong fronts laden with a low of PW will be over Southeast Alaska at the start of this extended range forecast period. The others will impact the region on Monday night through Thursday morning and then Thursday night through Friday afternoon. Some locations may see a break from the relentless precipitation Sunday night and Monday morning but after that. anybody got an ark handy? The front that will being to affect SEAK Monday night has indications that it may be a training event with a wave working its way along the frontal boundary, causing it to waiver north and south across the Panhandle before giving way to the follow on low and associated front Thursday night. At present, locations north of Cape Ommaney and Frederick Sound will received the majority of this precipitation. Low level onshore flow and temperatures as well as mid and upper level thickness values all point to these fronts being predominantly rain makers (vice snow) for all of Southeast Alaska except possibly the far northern inner channels - Skagway, Haines, and the associated highways. By Tuesday night, the only potential left for snow will be at higher elevations along the highways.

The eastern Gulf and inner channels will get a break from the gales and small craft conditions that have been quite common for the past several days. until Monday night. At that time, the next high end gale force (possibly storm force) front will push across the eastern Gulf. Those winds winds may last as long as Wednesday night as wave rides north along the front and re-invigorates the front. At least one long range mode is suggesting that more high end gales are possible Thursday night, but we'll see what happens.

-Fritsch

AJK WATCHES/WARNINGS/ADVISORIES. PUBLIC . Strong Wind Saturday afternoon for AKZ025-026-028. Strong Wind from Saturday morning through Saturday afternoon for AKZ027. Strong Wind Saturday afternoon for AKZ024. Strong Wind from Saturday morning through Saturday afternoon for AKZ021-022. Strong Wind from Saturday morning through Saturday afternoon for AKZ023. Winter Weather Advisory from 3 PM Saturday to 5 AM AKST Sunday for AKZ029. Winter Storm Warning from 6 AM to 9 PM AKST Saturday for AKZ018- 019. Strong Wind Saturday afternoon for AKZ018. Strong Wind Saturday morning for AKZ017. MARINE . Storm Warning for PKZ042-043-051-052. Gale Warning for PKZ012-013-021-022-031>036-041. Small Craft Advisory for PKZ011-053.



EAL/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 mi90 min ESE 5.1 G 7 35°F
CSPA2 - Cape Spencer, AK 47 mi46 min SSE 17 G 19 38°F 1007.5 hPa
GEXA2 47 mi31 min SE 11 G 15 38°F 1005.9 hPa33°F
ELFA2 - 9452634 - Elfin Cove, AK 49 mi68 min 37°F 45°F1009.2 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------------------------------Calm----Calm----E10--Calm
1 day ago------------------------------E10--NW10--NW10--NW12--5
2 days ago--------------------------------------Calm--Calm--E10

Tide / Current Tables for Composite Island, Glacier Bay, Alaska
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Composite Island
Click for Map
Sat -- 12:19 AM AKST     15.19 feet High Tide
Sat -- 06:08 AM AKST     3.36 feet Low Tide
Sat -- 06:17 AM AKST     Moonset
Sat -- 08:28 AM AKST     Sunrise
Sat -- 12:10 PM AKST     17.51 feet High Tide
Sat -- 03:01 PM AKST     Moonrise
Sat -- 03:20 PM AKST     Sunset
Sat -- 06:42 PM AKST     -0.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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15.114.81310.274.53.44.16.51013.516.217.516.914.610.96.62.70.2-0.21.54.98.812.4

Tide / Current Tables for Muir Inlet, Glacier Bay, Alaska
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Muir Inlet
Click for Map
Sat -- 12:19 AM AKST     15.19 feet High Tide
Sat -- 06:10 AM AKST     3.36 feet Low Tide
Sat -- 06:16 AM AKST     Moonset
Sat -- 08:26 AM AKST     Sunrise
Sat -- 12:11 PM AKST     17.51 feet High Tide
Sat -- 02:59 PM AKST     Moonrise
Sat -- 03:18 PM AKST     Sunset
Sat -- 06:44 PM AKST     -0.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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15.114.813.110.37.14.63.446.49.913.516.217.516.914.6116.72.80.3-0.21.54.88.712.3

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
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.