Sunday, September19, 2021
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Marine Weather and Tides
Goodnews Bay, 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 7:35AMSunset 8:10PM Sunday September 19, 2021 6:34 AM AKDT (14:34 UTC) Moonrise 7:19PMMoonset 4:18AM Illumination 96% 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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7 Day Forecast for Marine Location Near Goodnews Bay, AK
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location: 59.32, -161.95     debug


Area Discussion for -
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FXAK69 PAFG 191049 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 249 AM AKDT Sun Sep 19 2021

SYNOPSIS. Winter decided to replace autumn in Alaska, as snow squalls are already impacting the Arctic Coast, and a winter storm is looking to impact the Gulf Coast to the Eastern AK Range over the next few days, including parts of Fortymile Uplands. Snow will be possible over pretty much the entire Interior as the cold front from the arctic shifts southeast. Yet another potential winter storm is shaping up possibly for the end of week, as well.

DISCUSSION.

Upper Levels and Analysis . A "multi-spoked" 507 dam 500 hpa arctic trough is anchoring the flow pattern over the Arctic Coast, which it has been doing for several weeks now since the beginning of August. There is a wrapped up cold air occlusion clearly visible on satellite imagery, currently located off the coast northwest of Utqiagvik. A front at the base of the larger arctic trough is moving east across the Western Brooks Range and Upper Koyukuk, bringing a current mix of rain and snow. Onshore flow is bringing light rain to the remainder of the West Coast. There is an occluded low across the North Pacific shifting northeast, and this will be a big player in the possible heavier snow for the Eastern AK Range and Fortymile the next few days.

Model Discussion . The models are now in very good agreement with the general synoptic pattern through Tuesday as a Gulf low phases with an arctic trough digging south across the Interior. There remains subtle differences between the models once the Gulf Low phases Monday night, with the general consensus being a bit less moisture than what some of the more aggressive models were showing the last 48 hours. With that said, it looks high confidence for several inches of snow over a long duration across parts of the Eastern Interior and Eastern Alaska Range.

Central and Eastern Interior . A second arctic front is currently stalled over the Upper Koyukuk Valley and lower Tanana Valley. This will remain in place as the low shifts northeast, with a mix of rain and snow, except higher elevation heavier snow along the Dalton Highway north of the Yukon River. That front will begin to shift southeast, bringing an end to accumulating snow along the Dalton as the front moves into the White Mountains and Tanana Valley, including Fairbanks. A mix of rain/snow may briefly turn to all snow with accumulations possible, although the movement of the front from the northwest will likely bring lesser amounts to Fairbanks proper, although there is a possibility of heavier band of snow towards Eielson to Salcha. Accumulating snow of 2-3" is expected across the Alaska Range Monday, with another potential 3-6" for the Eastern Alaska Range as the Gulf low shifts northeast Tuesday and Tuesday night. In addition, expect strong north winds through Isabel Pass which may result in significant visibility reductions from Trims Camp south. Areas from Delta Junction to the Fortymile should expect the potential for 2-6" over a couple days from Monday through Wednesday.

West Coast and Western Interior . A cold front is shifting southeast across the Seward Peninsula, with rain and snow showers to the north where there is stronger northwest winds. This pattern does not change over the next few days as northwest winds 15-30 mph will continue to batter the Chukchi Coast. Higher surf will also batter the northern Seward Peninsula and into Norton Sound. Northwest winds diminish Tuesday night. Snow accumulations will be light along the immediate coast given the still rather warm SSTs, with the better chances for accumulating snow over Interior Seward Peninsula and the higher elevations of the Selawik Peninsula to the Lisburne Peninsula.

North Slope and Brooks Range . West to northwest winds of 15-30 mph will continue to batter the western Arctic Coast from Point Barrow west, with snow squalls/blowing snow and rough surf up to 1 ft above the normal high tide line. Farther east, a cold front is tracking east, bringing snow to the Coast and Brooks Range, with this front expected to bring heavier accumulating snow to the Brooks Range including Atigun Pass, which will impact travel through today. Southwest winds will be blustery over the east Arctic behind the front, but the flow will be downslope enough that it will be much drier than over the west Arctic.

Extended Forecast Days 4-7 . Pattern looks very active in terms of wintery weather as a cold arctic trough remains entrenched and the North Pacific train of lows shifts through the Gulf after this first early week storm exits into the Yukon Wednesday. The next possible winter storm moves in late week and early weekend with the possibility of several inches of snow over some parts of the Interior and AK Range.

Coastal Hazard Potential Days 3 and 4 . None.

HYDROLOGY. No concerns.

AFG WATCHES/WARNINGS/ADVISORIES. Winter Weather Advisory for AKZ218-AKZ219.

Small Craft Advisory for PKZ210-PKZ215-PKZ220-PKZ225-PKZ230- PKZ235-PKZ240.



AHSENMACHER SEP 21


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for PAEH

Wind History from AEH (wind in knots)
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Tide / Current Tables for Carter Spit, Alaska
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Carter Spit
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Sun -- 02:45 AM AKDT     1.12 feet Low Tide
Sun -- 06:18 AM AKDT     Moonset
Sun -- 08:26 AM AKDT     Sunrise
Sun -- 08:45 AM AKDT     8.20 feet High Tide
Sun -- 02:50 PM AKDT     -0.02 feet Low Tide
Sun -- 08:54 PM AKDT     Sunset
Sun -- 09:19 PM AKDT     Moonrise
Sun -- 09:42 PM AKDT     9.74 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.43.11.51.21.93.55.26.87.98.27.46420.5-00.72.44.56.68.49.59.78.8

Tide / Current Tables for Goodnews Bay entrance, Alaska
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Goodnews Bay entrance
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Sun -- 02:13 AM AKDT     0.96 feet Low Tide
Sun -- 06:18 AM AKDT     Moonset
Sun -- 08:25 AM AKDT     6.36 feet High Tide
Sun -- 08:26 AM AKDT     Sunrise
Sun -- 02:17 PM AKDT     -0.02 feet Low Tide
Sun -- 08:53 PM AKDT     Sunset
Sun -- 09:17 PM AKDT     Moonrise
Sun -- 09:22 PM AKDT     7.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.41.811.22.13.34.65.76.36.25.442.40.900.21.12.64.25.76.97.57.46.4

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GEOS Local Image of Alaska    EDIT
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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