Sunday, April5, 2020
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Marine Weather and Tides
Juneau, 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 6:09AMSunset 7:51PM Sunday April 5, 2020 10:57 AM AKDT (18:57 UTC) Moonrise 4:16PMMoonset 6:14AM Illumination 95% 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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PKZ032 Northern Chatham Strait- 400 Am Akdt Sun Apr 5 2020
Today..N wind 10 kt early in the morning becoming light. Seas 2 ft or less.
Tonight..S wind 15 kt. Seas 3 ft.
Mon..S wind 20 kt. Gusts to 35 kt. Seas 4 ft.
Mon night..SW wind 20 kt. Seas 4 ft.
Tue..S wind 10 kt. Seas building to 3 ft.
Wed..S wind 20 kt. Seas 4 ft.
Thu..S wind 15 kt becoming n. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Juneau, AK
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location: 58.07, -134.64     debug


Area Discussion for -
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FXAK67 PAJK 051345 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 545 AM AKDT Sun Apr 5 2020

SHORT TERM. A fair portion of the panhandle starts the early Sunday timeframe with mostly clear skies. Clouds are moving into the western half of the Northeast gulf coast as the upper trough moves east into the panhandle late Sunday and early Monday morning. Expect the clouds to quickly increase and scattered showers to form mainly across the northern half of the panhandle by Sunday evening. The showers will spread southeast to the southern panhandle by Monday morning. The P-type is also going to create forecast issues as well. The general column of air over the panhandle is looking to cool enough that except for the southern and some of the central sections that the precipitation will likely fall as snow or perhaps a mix. Accumulations will be none to very minor.

Cold pool of air behind the upper trough causing the clouds and showers for the panhandle on Monday that will drop the temperatures around in the lower atmosphere 2 - 3 degrees C, which should push the Monday night lows into 20s to lower 30s, which is cooler than previous forecast. The cold pool spreading in is also destabilizing the mid levels along the panhandle coast leading to the slight chance that thunderstorms could develop as showers spread onshore the panhandle.

Precipitation begins to taper off Monday night with a chance of lingering showers for the southern half of the panhandle. Expect to see a ridge axis move into the eastern Gulf of Alaska by late Monday night which helps to suppress the showers, however the ridge is short lived as it is being moved through by the Tuesday system inbound to the gulf.

LONG TERM. Tuesday through Saturday . As of 10 PM Sat . The long term forecast begins with winds and showers diminishing in the wake of Monday's system. Models in fair agreement with another, stronger, low moving into the gulf Tue night into Wed. Although operational models continue to show spread on the exact track of the low pressure center, ensembles and atmospheric river tools give confidence in an impactful precipitation event for SE AK for mid week. Precip will begin in the N gulf coast late Tue night and advect S through Wed with near gales to gales over the gulf and SCA likely over the inner channels. Main impact will be precip as IVT values of 300-500 kg/m/s, 3-4 standard deviations above normal, take aim at the panhandle Wed morning. This deep, 400-500hPA, moisture combined with favorable SE low level flow will result in heavy precip rates through the event. There will be a 6-12 hour period of heavy precip as ingredients align. Although WAA associated with this system will raise snow levels, precip will likely start as snow. Depending on the track of the low, the N gulf coast could see significant accumulations if WAA pushes further E. Meanwhile, precip onset during the early morning, with colder temperatures and thickness values supportive of snow, the N central panhandle could see moderate accumulations before transitioning to rain. Precip chances will diminish Thu with models in fair agreement on upper ridge building over the W gulf maintaining dry and cool weather in NWly flow pattern into next weekend.

AJK Watches/Warnings/Advisories. PUBLIC . None. MARINE . Gale Warning for PKZ051-052. Small Craft Advisory for PKZ012-013-021-022-041>043-053.



Bezenek/BC

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SCXA2 9 mi25 min ESE 8 G 9.9 35°F 1008.3 hPa
AJXA2 20 mi25 min SE 8.9 G 12 34°F 1010.6 hPa21°F
PTLA2 20 mi25 min SSE 2.9 G 4.1 38°F 1009.9 hPa28°F
JMLA2 20 mi25 min ESE 12 G 15 35°F 1010.5 hPa22°F
JNEA2 - 9452210 - Juneau, AK 20 mi57 min SE 7 G 7 34°F 41°F1011.6 hPa (-0.8)
SDIA2 - South Douglas, AK 20 mi31 min SE 6 G 7 36°F 1010.5 hPa29°F
MVXA2 20 mi25 min SSE 7 G 9.9 40°F 1011.1 hPa24°F
MXXA2 20 mi25 min SE 6 G 8.9 36°F 1008.7 hPa22°F
JLXA2 20 mi24 min SE 5.1 G 11 38°F 1009.8 hPa21°F
NKXA2 21 mi25 min SW 2.9 G 8 37°F 1009.8 hPa31°F
MRNA2 22 mi25 min ESE 5.1 G 7 36°F 1009 hPa20°F
RIXA2 23 mi25 min S 2.9 G 5.1 37°F 1008.9 hPa32°F
PAXA2 25 mi24 min ENE 8 G 12 33°F 1009.1 hPa22°F
PBPA2 - Point Bishop, AK 28 mi47 min NE 6 G 12 34°F 1011.5 hPa23°F
PRTA2 - Point Retreat, AK 29 mi47 min S 1 G 5.1 38°F 1011.5 hPa29°F
SISA2 - Sisters Island, AK 34 mi35 min WSW 1 G 5.1 38°F
TKEA2 - Tenakee Springs, AK 37 mi25 min NNE 1 G 2.9 39°F 1010.3 hPa27°F
LIXA2 39 mi25 min SSE 2.9 G 6 38°F 1009.1 hPa30°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Juneau, Juneau International Airport, AK22 mi64 minN 010.00 miA Few Clouds36°F21°F55%1011.4 hPa

Link to 5 minute data for PAJN

Wind History from AJN (wind in knots)
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Last 24hrSW7SW10SW10SW9SW9SW8SW8SW8SW5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoSE11SE9E13
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SE11E11E12E11E9E10NE5CalmCalmCalmCalmCalmCalmCalmCalmE3CalmSE3E3SW3W3
2 days agoSE13SE13SE14SE12------E8E6E4E4SE3CalmCalmCalmCalmCalmCalmCalmCalmCalmE8E7SE14

Tide / Current Tables for Fritz Cove, Douglas Island, Alaska
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Fritz Cove
Click for Map
Sun -- 05:53 AM AKDT     1.95 feet Low Tide
Sun -- 06:12 AM AKDT     Sunrise
Sun -- 06:14 AM AKDT     Moonset
Sun -- 11:53 AM AKDT     16.10 feet High Tide
Sun -- 04:15 PM AKDT     Moonrise
Sun -- 06:18 PM AKDT     -1.65 feet Low Tide
Sun -- 07:50 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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14.913.911.58.252.723.15.99.51315.316.11512.28.23.80.3-1.5-1.11.75.810.414.1

Tide / Current Tables for Funter, Funter Bay, Lynn Canal, Alaska
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Funter
Click for Map
Sun -- 05:49 AM AKDT     2.05 feet Low Tide
Sun -- 06:13 AM AKDT     Sunrise
Sun -- 06:15 AM AKDT     Moonset
Sun -- 11:54 AM AKDT     15.30 feet High Tide
Sun -- 04:16 PM AKDT     Moonrise
Sun -- 06:14 PM AKDT     -1.55 feet Low Tide
Sun -- 07:51 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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14.113.110.97.84.82.72.13.35.99.212.414.615.314.211.57.73.50.1-1.5-0.91.75.79.913.5

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 (14,3,4,5)
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Ground Weather Radar Station Biorka Is., AK
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weather_mapweather_map weather_map

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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.