Tuesday, January19, 2021
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Marine Weather and Tides
Hobart Bay, 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 8:23AMSunset 3:53PM Tuesday January 19, 2021 8:30 AM AKST (17:30 UTC) Moonrise 11:53AMMoonset 12:00AM Illumination 38% 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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PKZ034 Frederick Sound- 414 Am Akst Tue Jan 19 2021
Today..SW wind 20 kt. Seas 4 ft. Rain early in the morning.
Tonight..S wind 15 kt. Seas 3 ft. Patchy fog.
Wed..S wind 10 kt. Seas 2 ft or less. Patchy fog in the morning.
Wed night..N wind 15 kt. Seas 3 ft. Patchy fog.
Thu..N wind 10 kt. Seas 2 ft or less.
Fri..NE wind 10 kt becoming se. Seas 2 ft or less.
Sat..SE wind 10 kt becoming w. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Hobart Bay, AK
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location: 57.22, -133.5     debug


Area Discussion for -
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FXAK67 PAJK 191549 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 649 AM AKST Tue Jan 19 2021

SHORT TERM. /Tuesday through Wednesday/ The short term will seem relatively benign compared to the record rainfall and high winds associated with yesterday's intense, quick moving atmospheric river. Juneau Airport set a daily rainfall record for January 18th of 1.95 inches. Winds gusted in excess of 60 mph along the NE Gulf coast and over 50 mph throughout the northern Panhandle. The front continues to push east this morning with onshore westerly flow moving in behind it. Winds are expected to diminish throughout the day with the exception of Lynn Canal and Skagway where southerly winds will stay elevated through tonight. Rain has transitioned to showers within the westerly regime which will keep many areas wet through the day, especially along windward facing slopes. Cold air advection moving in aloft (850 mb temps dropping to -7C) will cause P-type issues with snow likely mixing in under heavier showers. Little to no accumulations expected as surface temps should be above freezing. A weak ridge building over the eastern gulf and Panhandle will cause showers to diminish in coverage and intensity by tonight.

The synoptic weather pattern begins to change this week as upper level ridging builds over Alaska influencing the overall storm track. The ridge axis sets up over the western portion of the state putting Southeast Alaska in a northwest flow regime. This type of pattern is usually much drier for this area than flow out of the south or west. A weak system pushes SE through the Gulf on Wednesday with scattered showers expected during the day. Precip amounts will be light with only 0.10 to 0.25 inches expected along the outer Coast and around Juneau. With 850mb temps around -6C to -7C and 1000-850mb thickness values right around 1290m, expect a mix of rain and snow for many areas. Little snow accumulation expected as surface temperatures should be just above freezing during the day. Northwesterly flow sets up as this weak system departs the area allowing showers to diminish and clouds to break up Wednesday night.

Juneau, Sitka, Petersburg, and Ketchikan have all had at least a trace of precipitation or more everyday this month. With a ridge continuing to build over the area on Thursday, many places across Southeast Alaska may experience their first dry (and sunny) day of the year!

LONG TERM. /Thursday through Tuesday as of 10 pm Monday/ The upper level pattern in the extended range continues to herald changes to the ongoing pattern. Most notably, more frequent ridging across the Gulf of Alaska and the Panhandle will bring chances for drier weather back to the area. Thursday and much of Friday in particular will likely see clearing skies and numerous breaks in the clouds as synoptic scale flow moves away from the onshore regime which has helped bring precip to the region.

Unfortunately, this initial ridge will be pushed out as upper level trough advances across the gulf, heralding the return of precipitation by Friday night into Saturday. It continues to look like the accompanying system will be weaker than some of the more recent systems which have impacted the area. The rain will not last and ensembles remain in fair agreement that this system will have departed by the latter half of Sunday. Behind it, there are some indications that pressure gradient forces driven by a rebuilding ridge over the area could create an outflow event, but confidence remains low. Should such an outflow event occur, it would usher in cooler temperatures across much of the area. Ensembles also continue to hint at a broad trough dipping into the area for the latter half of the week, but this far out it remains difficult to discern specifics.

AJK WATCHES/WARNINGS/ADVISORIES. PUBLIC . Strong Wind through this afternoon for AKZ018. MARINE . Gale Warning for PKZ042-043. Small Craft Advisory for PKZ012-013-022-031-041-051>053.



CM/GFS

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FFIA2 - Five Finger, AK 8 mi31 min SSW 20 G 21 37°F 1012.6 hPa (+2.6)
SDIA2 - South Douglas, AK 87 mi25 min ENE 4.1 G 4.1 39°F 1009.7 hPa34°F
JNEA2 - 9452210 - Juneau, AK 89 mi43 min E 1 G 5.1 36°F 40°F1010.2 hPa

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kake - Kake Airport, AK29 mi35 minN 010.00 miOvercast35°F33°F93%1016.2 hPa

Link to 5 minute data for PAFE

Wind History from AFE (wind in knots)
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E10SE7S54S44S334Calm
1 day agoSE66SE7E7E6SE11SE7E6E5E6E5E8E7E7E6E6--E7E7E8E6E9E8E8
2 days agoE9
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Tide / Current Tables for Cleveland Passage, Whitney Island, Alaska
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Cleveland Passage
Click for Map
Tue -- 05:16 AM AKST     13.75 feet High Tide
Tue -- 08:16 AM AKST     Sunrise
Tue -- 10:52 AM AKST     Moonrise
Tue -- 11:25 AM AKST     3.84 feet Low Tide
Tue -- 03:54 PM AKST     Sunset
Tue -- 05:17 PM AKST     11.76 feet High Tide
Tue -- 11:27 PM AKST     3.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.74.97.810.612.713.713.4129.77.25.1445.37.29.210.911.711.510.38.36.14.33.2

Tide / Current Tables for Port Houghton, Robert Islands, Stephens Passage, Alaska
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Port Houghton
Click for Map
Tue -- 04:56 AM AKST     14.15 feet High Tide
Tue -- 08:16 AM AKST     Sunrise
Tue -- 10:52 AM AKST     Moonrise
Tue -- 11:05 AM AKST     3.84 feet Low Tide
Tue -- 03:53 PM AKST     Sunset
Tue -- 04:57 PM AKST     12.16 feet High Tide
Tue -- 11:07 PM AKST     3.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.46911.713.514.113.411.696.54.63.84.468.110.211.612.211.6107.85.63.83.1

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




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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.