Thursday, October21, 2021
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Marine Weather and Tides
Hooper 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 8:57AMSunset 6:30PM Thursday October 21, 2021 12:26 PM AKDT (20:26 UTC) Moonrise 4:56PMMoonset 8:29AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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 Hooper Bay, AK
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location: 61.82, -166.08     debug


Area Discussion for -
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FXAK69 PAFG 211328 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 528 AM AKDT Thu Oct 21 2021

SYNOPSIS. Conditions have quieted down over the forecast area, but a strong low moving through the southern Bering Sea will bring increasing winds to the West Coast and adjacent coastal waters. Winds will increase overnight with strong winds persisting into Sunday before they diminish. A low will develop in the Yukon Territory and move northwest into the Arctic Saturday with strong onshore flow and increasing chances of snow. Winds near Alaska Range passes increasing this morning and gusting into the 50 mph range will diminish this evening, otherwise pleasant conditions will continue into the weekend.

DISCUSSION.

Models . 21/00Z solutions are in good agreement, but there are still some differences in strength and location of the low that will be moving near the Pribilofs today and the Alaska Peninsula tonight. The differences in the strength of the low will impact the winds in the Northeast Bering Sea, so will lean on a bit stronger winds to compensate. The location will not have as much impact. Will be using a blend for all but the winds through the short term.

Aloft . At 500 hpa . Ridging continues to push into the Eastern Interior as a shortwave moving though the south flow has moved over the Gulf of Alaska coast this morning. Ridging that was along 73N had drifted north of 77N. Troughing continues to the west as it extends from a 497 dam low 300 nm west of St Matthew Island over St Lawrence Island then southeast over Kodiak City. A weak shortwave is over the southern Chukchi Sea and Kotzebue Sound. A 510 dam low has developed along a shortwave swinging around the low and is 200 nm north of Adak with a shortwave extending southeast over Atka. Thursday afternoon Ridging will continue to push west into the Central and Eastern Interior as a weak shortwave with a 531 dam center moves north over the AlCan to the Eastern Brooks Range. The shortwave that was over the gulf coast will move over the Alaska Range, and another shortwave will move over the northern gulf. The trough to the west will continue to weaken as the low remains 300 nm west of St Matthew Island as it weakens to 501 dam. The trough will extend northeast over the southern Chukchi Sea to Kotzebue Sound then southeast over the Kenai Peninsula. The low that was north of Adak will deepen rapidly and move over the Pribilofs at 498 dam with a shortwave extending east over Port Heiden, then south over the Pacific. Friday morning ridging will be pushing west over the state to the Bering Strait, while troughing associated with the low west of St Matthew Island will be just offshore in the Arctic and the low will be drifting north over Chukotka, a shortwave will move north over the Alaska Range with a 521 dam low over Minchumina, and the low over the Pribilofs will be moving southeast over the Alaska Peninsula just north of Cold Bay. Troughing will extend east over 55N At 850 hpa. -10C isotherm lies north and west of mainland Alaska, while a dome of warm air around 0C remains over the Central and Eastern Interior, Eastern Brooks Range, and the Eastern Arctic Coast. A strong push of warm air north into mainland will see temperatures rise to range from +1C to -7C with the coldest temperatures over the Northwest Arctic Coast and Chukchi Sea.

Surface . A 987 mb low on the Chukotsk Peninsula will move north to Wrangel Island Friday morning as troughing extending to the northeast over the Arctic Coast slides north offshore. has moved to 100 nm west of Gambell and the weather front has moved to the coast as it extends from St Lawrence Island to Cape Romanzof to Cold Bay. The low will move southeast to Cape Romanzof this afternoon as the front stalls from the Bering Strait to King Salmon. Leeside troughing has developed north of the Alaska and Brooks Ranges and will persist as high pressure builds west into the Copper River Basin, the Upper Tanana Valley, the Upper Yukon Flats, along the south slopes of the Eastern Brooks Range, and across the Arctic along 75N. Strong pressure gradients developing across the Alaska and Brooks Ranges, in the Upper Tanana Valley, and over the Arctic Coast and offshore waters. As the low fills the pressure pattern over the state will weaken and the gradients will relax Wednesday in the Interior, while in the Arctic the strong gradient will move north of 75N as a trough of low pressure moves offshore. Weak high pressure over the Interior will hold on as a 1004 mb high develops near Old Crow YT, and high pressure will continue to push into the Eastern Interior. A strong 950 mb low will move into the Central Bering Sea Wednesday, and into the Eastern Bering Sea Thursday.

Arctic Coast and Brooks Range . Generally cloudy with east winds to 15 mph, except for variable winds west of Wainwright. Increasing chance of snow tonight. Highs generally in the 20s to lower 30s, with lows in the teens and 20s.

West Coast and Western Interior . Some lingering showers, but they will diminish through the day. Mostly cloudy with some clearing later today. Winds variable to 15 mph diminishing this afternoon except for the Lower Yukon Delta where winds will increase this afternoon from the northeast and east to 20 to 30 mph and gusty. The stronger winds will spread north later in the evening and overnight. Winds turning from the north Friday over the water will bring some elevated surf to St Lawrence Island. High temperatures in the 30s and lower 40s, while lows will be in the teens and 20s.

Central and Eastern Interior . Gap winds near the Alaska Range passes kicking up to around 50 mph this morning will diminish later today. A mix of clouds and sun today. Winds becoming light and variable as you move away from the Alaska Range. Lows in the teens and 20s above with highs in the mid 20s to lower 40s.

Coastal Hazard Potential Days 3 and 4 . None.

Extended forecast for days 4 to 7 . Low pressure off the Arctic Coast, and low pressure in the Gulf of Alaska, with weak high pressure between the ranges through the extended periods. Cloudy with flurries in the Arctic, snow showers along the West Coast with north winds, and generally pleasant weather in the Interior. Temperatures will be cooling.

AFG WATCHES/WARNINGS/ADVISORIES.

Wind Advisory for AKZ226.

Heavy Freezing Spray Warning for PKZ500.

Small Craft Advisory for PKZ200-PKZ210-PKZ220.



SDB OCT 21


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for PACZ

Wind History from ACZ (wind in knots)
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Last 24hr--------------------------------------------S19
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1 day ago--SW5SW5W4SW4SW300N60NE30000N4SE40------------
2 days ago--N18N17N18NE16NE17NE15NE16NE15NE15NE15NE13NE14NE14NE9NE7NE10NE9SW3SW30SW4SW5SW6

Tide / Current Tables for Cape Romanzof, Alaska
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Cape Romanzof
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Thu -- 03:32 AM AKDT     5.29 feet High Tide
Thu -- 08:57 AM AKDT     0.43 feet Low Tide
Thu -- 10:05 AM AKDT     Sunrise
Thu -- 11:29 AM AKDT     Moonset
Thu -- 04:31 PM AKDT     6.04 feet High Tide
Thu -- 07:30 PM AKDT     Sunset
Thu -- 07:55 PM AKDT     Moonrise
Thu -- 09:41 PM AKDT     1.53 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 Kokechik Bay, Cape Romanzof, Alaska
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Kokechik Bay
Click for Map
Thu -- 03:09 AM AKDT     5.29 feet High Tide
Thu -- 09:22 AM AKDT     0.61 feet Low Tide
Thu -- 10:05 AM AKDT     Sunrise
Thu -- 11:28 AM AKDT     Moonset
Thu -- 04:08 PM AKDT     6.04 feet High Tide
Thu -- 07:30 PM AKDT     Sunset
Thu -- 07:55 PM AKDT     Moonrise
Thu -- 10:06 PM AKDT     2.18 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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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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