Monday, October18, 2021
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Marine Weather and Tides
Angoon, AK

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:39AMSunset 5:45PM Monday October 18, 2021 12:59 PM AKDT (20:59 UTC) Moonrise 5:47PMMoonset 4:57AM 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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PKZ034 Frederick Sound- 651 Am Akdt Mon Oct 18 2021
Today..E wind 15 kt increasing to 20 kt in the morning. Gusts to 35 kt. Seas 3 ft building to 4 ft in the morning.
Tonight..E wind 20 kt. Gusts to 35 kt in the evening. Seas 4 ft.
Tue..E wind 20 kt. Gusts to 35 kt out of interior passes. Seas 4 ft.
Tue night..E wind 20 kt. Seas 4 ft.
Wed..E wind 15 kt. Seas subsiding to 2 ft or less.
Thu..NE wind 15 kt. Seas 3 ft.
Fri..NE wind 20 kt becoming se. Seas 4 ft.


7 Day Forecast for Marine Location Near Angoon, AK
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location: 57.31, -134.13     debug


Area Discussion for -
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FXAK67 PAJK 181402 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 602 AM AKDT Mon Oct 18 2021

SHORT TERM. After an absolutely pleasant weekend for the bulk of the citizens of SEAK, we will be returning to the cloudy conditions that are more typical. A ridge of high pressure is currently in place over the region and is blocking the eastward advance of a very deep low pressure system in the Gulf. While some cloud cover will be able to advect overhead, precip will be limited to coastal areas Monday, and even then PoPs are limited to the 20s until Monday night. More significant to Monday will be that the winds will be picking up along coastal areas, mainly Baranof and POW Islands, as a result of a very strong pressure gradient around the low. Expected wind gusts in locations such as Sitka and Hydaburg could be in excess of 40 mph.

Monday night into Tuesday, the ridge holds strong so the low begins to move a bit north. This should allow for chances for precip to extend a bit further into the inner channels but really should not impact areas further east such as Juneau and Ketchikan. Up to the point of the northward turn, rainfall totals will have been rather unimpressive, however this movement will direct the moisture plume directly at Yakutat. While not a great amount by southeast Alaska standards, rainfall totals around an inch appear to be plausible from early Tuesday morning through Tuesday night. The main push of the front eastward really won't be until after the conclusion of this forecast period, however could potentially see the beginnings of it happening late Tuesday night as another low begins moving into the Gulf from the South. The benefit of this ridge stalling the front out is that it will provide time for the parent low to weaken, reducing the speed of the winds before it can push further inland.

Because of the increasing cloud cover, temperatures should be moderated and there should be a slight warming trend. This will be particularly noticeable at night as below freezing temperatures are not anticipated at sea level locations as has been routine the past couple of evenings.

LONG TERM. /Wednesday through Sunday/ . A fresh round of energy from the southern Bering Sea splashing east across the Aleutian Chain into the western Gulf of Alaska should provide sufficient momentum to push rainfall from the stalled eastern gulf front into the Panhandle Wednesday. With a strong front stuck in the eastern gulf for days, the southeasterlies ahead of the system will have long ago driven out any signs of an early season polar air mass as 850 temperatures largely rise above 0 C. Thus, this precipitation will fall as rain across Panhandle sea level communities. An extended breezy period should persist into most of Wednesday, but as the front pushes in, strength falls markedly, and thus by Wednesday night winds ease briefly.

With a complex upper low positioned in the Gulf for the foreseeable future and periodic intrusions of storm inducing colder air from the Bering and moisture-amping typhoon-fed north Pacific storms, the pattern becomes ripe for the possibility of a series of storms riding northward into the southeast gulf. How strong winds will be, how many storms will arrive, where and when exactly will they impact are all subject to debate. While this pattern possesses impactful wind potential, models sadly and notoriously struggle with specifics for various reasons. Ensembles tend to agree of the threat of wind from Baranof to the southern Inner Channels including Prince of Wales, especially the ECMWF Extreme Forecast Index during this time period, mainly Thursday through the weekend. We elected to alert partners/public days ahead with a Special Weather Statement for wind impacting transportation and causing power outages. Currently we barely mention gales for the southeast gulf, but this can be ramped up later as confidence increases. The operational GFS pushes 50 plus knots of winds at various points late this week. We also acknowledged the outside chance that one such system (suggested by the NAM) could develop on Wednesday. But the most likely time will be Thursday into Sunday. However, the period could last into early next week.

While not the main focus, the pattern also tends to favor the highest probability and amounts of rain along the coast and in the south with much lighter amounts and lower chances in the north. With the focus of lower pressure deep in the central and southeastern gulf, winds will largely stay northerly. However, given warmer temperatures in western Canada, we do not expect typically strong outflow in response to the storms from the south.

AJK WATCHES/WARNINGS/ADVISORIES. PUBLIC . Strong Wind from this afternoon through late tonight for AKZ027. Strong Wind from 1 PM AKDT this afternoon through late tonight for AKZ023. MARINE . Gale Warning for PKZ022-041>043-051-052-310. Small Craft Advisory for PKZ021-033-035-036-053.



JDR/JWA

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 27 mi59 min NE 17G18 42°F 1007.9 hPa (+0.5)
PGXA2 33 mi26 min SE 12G22 46°F 35°F
MIXA2 40 mi26 min WNW 1.9G4.1 40°F 33°F
TKEA2 - Tenakee Springs, AK 66 mi27 min E 12G23 47°F 1006 hPa27°F
SDIA2 - South Douglas, AK 68 mi31 min SW 1.9G1.9 44°F 1008.9 hPa35°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kake - Kake Airport, AK25 mi63 minE 710.00 miOvercast46°F26°F46%1010.3 hPa

Link to 5 minute data for PAFE

Wind History from AFE (wind in knots)
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Last 24hrW30000--E7E8E7E5NE4E6E5E5E50E5E7E8E9E6E7E5E7
1 day agoNE5W4NE5E30NE3NE5NE6NE6NE6NE5NE6NE5NE3E6E5NE3NE3NE4NE3E4NE3SE3S3
2 days ago----SE9SE7E5E5E6E5E7E6NE3NE6NE6NE4E7NE63NE6E3NE4E40NE7NE5

Tide / Current Tables for Cannery Cove, Pybus Bay, Alaska
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Cannery Cove
Click for Map
Mon -- 12:12 AM AKDT     14.62 feet High Tide
Mon -- 04:57 AM AKDT     Moonset
Mon -- 06:19 AM AKDT     0.26 feet Low Tide
Mon -- 07:37 AM AKDT     Sunrise
Mon -- 12:39 PM AKDT     15.70 feet High Tide
Mon -- 05:44 PM AKDT     Sunset
Mon -- 05:46 PM AKDT     Moonrise
Mon -- 06:44 PM AKDT     0.40 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Eliza Harbor, Admiralty Island, Alaska
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Eliza Harbor
Click for Map
Mon -- 12:14 AM AKDT     14.13 feet High Tide
Mon -- 04:58 AM AKDT     Moonset
Mon -- 06:21 AM AKDT     0.25 feet Low Tide
Mon -- 07:38 AM AKDT     Sunrise
Mon -- 12:41 PM AKDT     15.17 feet High Tide
Mon -- 05:45 PM AKDT     Sunset
Mon -- 05:47 PM AKDT     Moonrise
Mon -- 06:46 PM AKDT     0.39 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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