Friday, September25, 2020
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Marine Weather and Tides
Mud 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 6:49AMSunset 6:49PM Friday September 25, 2020 5:44 AM AKDT (13:44 UTC) Moonrise 4:49PMMoonset 10:53PM Illumination 58% Phase: Waxing Gibbous; 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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PKZ012 Northern Lynn Canal- 344 Am Akdt Fri Sep 25 2020
Today..Light winds becoming S 10 kt in the morning. Seas 2 ft or less.
Tonight..S wind 10 kt. Seas 2 ft or less.
Sat..S wind 10 kt. Seas building to 3 ft in the afternoon. Showers.
Sat night..SE wind 15 kt. Seas 3 ft. Rain.
Sun..S wind 25 kt. Seas 5 ft.
Mon..S wind 25 kt diminishing to 15 kt. Seas 4 ft.
Tue..SE wind 10 kt. Seas 2 ft or less.


7 Day Forecast for Marine Location Near Mud Bay, AK
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location: 59.17, -135.4     debug


Area Discussion for -
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FXAK67 PAJK 242235 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 235 PM AKDT Thu Sep 24 2020

SHORT TERM. Complex but fairly low impactful weather through the end of the week. Significant changes for the weekend with highly impactful storm system moving in.

The broad mid level low which has been situated over the AK Gulf the past days will finally pull back to the NW through Saturday. At the surface the complex series of low pressure systems that are continually rotating around each other will also pull the the NW. Through that time bands of showers still push over the AK Panhandle from south to north. Very difficult time tracking these bands as no one model or model run has fully captured the situation. Overall the southern areas getting majority of showers and higher rainfall amounts as many bands have some signs of shearing apart once they hit the northern areas. Not counting out breaks in precip and cloud cover, especially later on Saturday, which could result in some fog formation. Some 20 kt winds over the southern inner channels and coastal waters through Saturday but overall winds less than 15 kts. However do anticipate gustier winds near any shower activity.

Main change to the forecast . storm force low/front moves into the AK Gulf Saturday night into Sunday. Latest models runs in better agreement with gulf winds at least 50 kts. Stronger winds are possible. NE Panhandle coast gets first hit of stronger winds along the front with wind gusts over land at 40 mph. Secondary wrap aims next band of high winds at the central panhandle coast. Rain moves in from the SW late Saturday night into Sunday with heaviest rain over the southern panhandle. 12 hour rain totals upwards of 2 inches possible with atmospheric river setting up.

Better agreement between GFS/NAM for the Sunday system. 12z ECMWF fell more in line with other models but has been showing much larger run to run inconsistencies. Due to the better model alignment made the call for such a large change to the forecast. Will likely see higher QPF amounts added once more model runs come in as well as possible higher winds.

LONG TERM. Saturday through Wednesday . As of 10 PM Wed . Period begins with a deepening upper trough over AK pen with SW flow into the panhandle. Models continue to show some spread in strength and position with a low approaching the SE gulf Sun along with heavy rain for the first half of next week. Given the continued spread will need to continue monitoring guidance as this has the potential to push an AR and stronger winds to the gulf coast and S panhandle. Little change in the overall pattern through the period with long wave ridge anchored over W NA. This will maintain the active pattern through the extended with continued chances from precip but normal to above normal temps. Overall forecast confidence remains about average.

AJK Watches/Warnings/Advisories. PUBLIC . None. MARINE . Small Craft Advisory for PKZ041>043-051.



PRB/BC

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HAXA2 5 mi31 min E 5.1 G 7 48°F 989.5 hPa48°F
ERXA2 17 mi32 min NNE 6 G 8 48°F 988.1 hPa48°F
SKTA2 - 9452400 - Skagway, AK 20 mi62 min 48°F 49°F991.6 hPa
SKXA2 20 mi30 min NW 2.9 G 2.9 48°F 989.9 hPa48°F
LIXA2 47 mi31 min N 8.9 G 14 49°F 988.8 hPa47°F
BLTA2 - Bartlet Cove AK 56 mi78 min NNE 1 G 4.1 48°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Haines - Haines Airport, AK8 mi50 minE 410.00 miLight Rain49°F46°F93%991.6 hPa
Skagway, AK22 mi1.9 hrsN 010.00 miOvercast49°F48°F97%991.6 hPa

Link to 5 minute data for PAHN

Wind History from AHN (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmNW9NW9W6SE7E4SE5E4--E4--NE3E3E4E4E4E5E4E5E4
1 day agoNW14W11W10W12W12W10W8W5CalmW6NW7CalmSE5E5E4E5E3E4E4E4SE4E4E3NW4
2 days agoE4E6--SE5SE53SE5SE6SE65E4SE6SE4E4CalmCalmCalmNW8NW10NW14NW13
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Tide / Current Tables for Pyramid Harbor, Chilkat Inlet, Lynn Canal, Alaska
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Pyramid Harbor
Click for Map
Fri -- 02:23 AM AKDT     1.66 feet Low Tide
Fri -- 06:54 AM AKDT     Sunrise
Fri -- 09:10 AM AKDT     12.46 feet High Tide
Fri -- 02:44 PM AKDT     5.92 feet Low Tide
Fri -- 05:48 PM AKDT     Moonrise
Fri -- 06:50 PM AKDT     Sunset
Fri -- 08:50 PM AKDT     14.01 feet High Tide
Fri -- 11:53 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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52.91.81.93.25.37.81011.712.412.110.99.17.46.266.78.310.412.313.61413.211.4

Tide / Current Tables for Skagway, Alaska (2)
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Skagway
Click for Map
Fri -- 02:38 AM AKDT     1.86 feet Low Tide
Fri -- 06:54 AM AKDT     Sunrise
Fri -- 09:24 AM AKDT     12.86 feet High Tide
Fri -- 02:59 PM AKDT     6.12 feet Low Tide
Fri -- 05:51 PM AKDT     Moonrise
Fri -- 06:49 PM AKDT     Sunset
Fri -- 09:04 PM AKDT     14.41 feet High Tide
Fri -- 11:50 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.93.52.11.9357.59.911.812.812.711.69.986.66.16.78.110.212.213.814.413.912.3

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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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.