Monday, June21, 2021
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Marine Weather and Tides
Chevak, 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 4:15AMSunset 11:46PM Sunday June 20, 2021 11:39 PM AKDT (07:39 UTC) Moonrise 4:08PMMoonset 1:00AM Illumination 86% Phase: Waxing Gibbous; Moon at 11 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 Chevak, AK
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location: 61.53, -165.6     debug


Area Discussion for -
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FXAK69 PAFG 202205 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 205 PM AKDT Sun Jun 20 2021

SYNOPSIS . An easterly wave disturbance is moving west across the Central/Western Interior, bringing rain showers and isolated thunderstorms, which will continue through this afternoon. More stable southerly flow will develop behind this system over the Eastern Interior today, with warmer temps and a break from thunderstorms, although showers will still be possible. Another easterly wave will bring rain to the Eastern Interior tonight and Monday.

DISCUSSION .

Upper Levels and Analysis . Models in good agreement through 60 hrs. We went will a blend for PoPs and QPF. Currently aloft there is an easterly wave that is tracking northwest across the Northern Interior. There is a ridge axis over the eastern Arctic with a 526 dam low moving into the Gulf of Alaska. Scattered to numerous rain showers are still occurring over parts of the Central and Western Interior. South flow aloft over the AK Range has kicked up gap winds through the passes. Southerly flow will become stronger over the Alaska Range Wednesday into Thursday.

Central and Eastern Interior . Showers and isolated thunderstorms will persist through the afternoon from the White Mountains north to the Upper Koyukuk Valley as an easterly wave stalls over this region. Some afternoon showers will also form over the Fortymile Uplands and Eastern AK Range. Tonight, another easterly wave will form over the Yukon and rotate into the Fortymile Uplands, upper Tanana Valley, and Eastern Alaska Range. This will bring showers and decent wetting rain to the area through Monday night. Rainfall amounts around 0.50-1" expected. Isolated thunderstorms will once again be possible, as well, across the White Mountains and Yukon Flats and west to the Ray Mountains and upper Koyukuk Monday. Tuesday and Wednesday will be drier and warmer with shower threats mainly over the AK Range and higher terrain northwest of Fairbanks. Temperatures back up to the low 80s by Wednesday.

West Coast and Western Interior . Showers and isolated thunderstorms will be active today and again on Tuesday as upper level shortwaves move over the area. Some locally heavy rain in thunderstorms is likely over the Interior, especially over the Upper Kobuk Valley where the surface low will track, with a slight chance for a thunderstorm as far west as the Selawik Valley and eastern Seward Peninsula.

North Slope and Brooks Range . Another active day of scattered to numerous showers and isolated thunderstorms over the Brooks Range with the instability axis from Ambler to Arctic Village. Thunderstorm potential will continue on Tuesday as well as upper level disturbances move in from the Southeast over the western Brooks Range. Stratus and fog will likely persist through most of Tue as the flow remains onshore.

Extended Forecast Days 4-7 . Beginning the extended period on Wednesday, there will be a broad low over the Gulf of North Pacific with a ridge of high pressure over the Yukon. South flow aloft will be on the increase, with warm temps over much of the Mainland, with some possible 80 degree readings. Several waves of energy aloft from the southern low will shift inland all the way through the weekend, with active weather inland and gradually cooling temps as the ridge aloft shifts east. Expect gusty south winds through the AK Range gaps to persist pretty much the entire extended period.

Coastal Hazard Potential Days 3 and 4 . None.

FIRE WEATHER . Active wet thunderstorms will shift from the Eastern Interior to predominantly the Western Interior today, and will also persist along the Brooks Range as an easterly wave tracks to the West Coast. These storms will be quite wet and may produce copious rainfall at times. The Eastern Interior will be much drier today and stable, as well as warmer, although there will be some afternoon mountain showers. Isolated thunderstorms threats will remain over the Yukon Flats and higher terrain as well as northwest of Beaver to the Upper Koyukuk. Slight chance of thunderstorms on Monday over the Central Interior.

Heavy rainfall is possible over the Fortymile and Eastern AK Range late tonight through Monday. Warmer and drier Tuesday and Wednesday. Southerly winds will ramp up in the Alaska Range on Wednesday pushing advisory level.

HYDROLOGY . Tonight, another easterly wave will form over the Yukon and rotate into the Fortymile Uplands, upper Tanana Valley, and Eastern Alaska Range. This will bring showers and decent wetting rain to the area through Monday night. Rainfall amounts around 0.50-1" expected. Currently no significant flooding is anticipated, but this will bring at least some minor rises across the Fortymile and Tetlin basins, and eventually down the Tanana River. For the latest river information go to www.weather.gov/aprfc.

AFG WATCHES/WARNINGS/ADVISORIES. Small Craft Advisory for PKZ220-PKZ225-PKZ230.

JUN 21


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Scammon Bay, AK22 mi44 minW 1010.00 miMostly Cloudy55°F55°F100%1009 hPa

Link to 5 minute data for PAVA

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Tide / Current Tables for Kokechik Bay, Cape Romanzof, Alaska
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Kokechik Bay
Click for Map
Mon -- 12:53 AM AKDT     Sunset
Mon -- 04:03 AM AKDT     Moonset
Mon -- 05:08 AM AKDT     2.22 feet Low Tide
Mon -- 05:17 AM AKDT     Sunrise
Mon -- 10:49 AM AKDT     6.12 feet High Tide
Mon -- 05:33 PM AKDT     -0.89 feet Low Tide
Mon -- 09:00 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.85.24.33.42.62.22.43.24.35.35.96.15.64.531.40.1-0.7-0.801.53.24.86

Tide / Current Tables for Cape Romanzof, Alaska
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Cape Romanzof
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Mon -- 12:55 AM AKDT     Sunset
Mon -- 04:03 AM AKDT     Moonset
Mon -- 04:43 AM AKDT     1.55 feet Low Tide
Mon -- 05:16 AM AKDT     Sunrise
Mon -- 11:12 AM AKDT     6.12 feet High Tide
Mon -- 05:08 PM AKDT     -0.62 feet Low Tide
Mon -- 09:02 PM AKDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.95.242.71.81.622.9455.86.15.84.73.11.40-0.6-0.40.51.83.34.75.8

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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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