Tuesday, March31, 2020
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Marine Weather and Tides
Excursion Inlet, 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 6:23AMSunset 7:39PM Tuesday March 31, 2020 10:30 AM AKDT (18:30 UTC) Moonrise 9:37AMMoonset 3:16AM Illumination 52% Phase: First Quarter Moon; Moon at 8 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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PKZ013 Southern Lynn Canal- 342 Am Akdt Tue Mar 31 2020
.gale warning through this afternoon...
Today..N wind 35 kt diminishing to 25 kt in the afternoon. Seas 6 ft. Freezing spray early in the morning.
Tonight..N wind 30 kt. Seas 6 ft. Freezing spray late.
Wed..N wind 30 kt diminishing to 20 kt in the afternoon. Seas 5 ft. Freezing spray in the morning.
Wed night..N wind 15 kt. Seas 3 ft.
Thu..N wind 15 kt. Seas 3 ft.
Fri..S wind 10 kt. Seas 2 ft or less.
Sat..NE wind 10 kt. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Excursion Inlet CDP, AK
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location: 58.42, -134.88     debug


Area Discussion for -
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FXAK67 PAJK 311629 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 539 AM AKDT Tue Mar 31 2020

SHORT TERM. The short term is shaping up to be a quiet one. Outflow winds are on the downward trend starting this morning. A few locations around downtown Juneau are still gusting to 60 mph. To account for this, extended the High Wind Warning until 10 AM today. All ingredients including cross barrier flow, critical level, and inversion look favorable for a few high wind gusts through the warning time. This being said, winds have been pulsating up and down all night and into early morning. With day break, some low level mixing should aid in a final push of high wind gusts through the morning. Late tonight, mtnwave guidance looks slightly marginal for an additional low end mountain wave. This could cause some gusty conditions to resurface for the downtown Juneau and Douglas area. For now, gusts to 40 mph are expected but observations will need to be monitored for any stronger developing winds.

Elsewhere, the overall trend is for winds to decrease through today. Gales force winds are still blowing through Lynn Canal but are expected to becoming small craft by this evening. Small crafts located through Cross Sounds, Stephens Passage, and Frederick Sound will also calm this evening. High pressure persists across NW Canada setting up a blocking pattern over SE Alaska. A surface ridge begins to form over the Gulf by Wednesday. These features will allow for continued offshore flow becoming along shore with light winds over the panhandle into late week.

Satellite imagery along with surface observations this morning are showing clear skies across the northern two thirds of the panhandle with only broken high clouds over the far southern portions. Skies will remain clear through late week. As they do so, temperatures look to remain cool. This morning, temps are ranging from mid teens across the north to low 30s across the far south. Through the day temps should warm up into the mid to low 30s as clear skies and higher sun angles help to warm things up slightly. Overall, although cool, a pleasant couple of days are locked in for SE Alaska.

LONG TERM. /Thursday through Tuesday as of 10 pm Monday/ . Blocking pattern over the western Gulf of Alaska to the interior of the state hangs on to through the week. The shifting of the long term model forecast Friday night an upper level low moves southeast through east central panhandle. This will spread some precipitation in on Friday.

The longer range also has a broad flat ridge as well, although there are issues as not all of the solutions agree as one of the operational solutions is out of phase. The broad flat ridge will keep chance of precipitation over the weekend, and into early next weekend. A second low drops into the northern gulf from southwestern Alaska early next week with another potential weather system to spread into the panhandle.

Confidence is lower as the long range pattern continues to shift from solution to solution.

AJK Watches/Warnings/Advisories. PUBLIC . High Wind Warning until 10 AM AKDT this morning for AKZ025. Strong Wind until 7 AM AKDT this morning for AKZ018. MARINE . Gale Warning for PKZ012-013. Small Craft Advisory for PKZ022-031-034-043.



CC/Bezenek

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PRTA2 - Point Retreat, AK 4 mi80 min NNE 15 G 23 28°F 1025.9 hPa11°F
PTLA2 8 mi28 min E 8.9 G 13 27°F 1024.5 hPa3°F
JNEA2 - 9452210 - Juneau, AK 26 mi48 min ENE 6 G 15 24°F 38°F1026.3 hPa
SDIA2 - South Douglas, AK 28 mi44 min ENE 17 G 20 26°F 1025.6 hPa7°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Juneau, Juneau International Airport, AK16 mi37 minSE 1010.00 miMostly Cloudy27°F0°F29%1026.1 hPa

Link to 5 minute data for PAJN

Wind History from AJN (wind in knots)
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E9E7E7E8E7SE8SE10E5SE9SE10
1 day agoE17
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2 days agoCalmSE7S7SE11SE7S8S7SE53CalmCalmE9E7E7E10E10
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Tide / Current Tables for Barlow Cove, Mansfield Peninsula, Lynn Canal, Alaska
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Barlow Cove
Click for Map
Tue -- 03:15 AM AKDT     Moonset
Tue -- 05:28 AM AKDT     13.00 feet High Tide
Tue -- 06:27 AM AKDT     Sunrise
Tue -- 09:37 AM AKDT     Moonrise
Tue -- 12:32 PM AKDT     1.83 feet Low Tide
Tue -- 06:50 PM AKDT     10.16 feet High Tide
Tue -- 07:40 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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56.17.91011.912.912.911.89.97.65.13.12234.86.98.79.810.29.78.87.66.5

Tide / Current Tables for Lincoln Island, Lynn Canal, Alaska
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Lincoln Island
Click for Map
Tue -- 03:17 AM AKDT     Moonset
Tue -- 05:38 AM AKDT     13.82 feet High Tide
Tue -- 06:27 AM AKDT     Sunrise
Tue -- 09:36 AM AKDT     Moonrise
Tue -- 12:39 PM AKDT     2.13 feet Low Tide
Tue -- 07:00 PM AKDT     11.03 feet High Tide
Tue -- 07:40 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.26.28.110.412.313.613.712.8118.55.93.72.42.23.257.29.210.61110.69.68.37.1

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
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.