Tuesday, January19, 2021
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Marine Weather and Tides
Platinum, 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 9:45AMSunset 4:35PM Tuesday January 19, 2021 9:33 AM AKST (18:33 UTC) Moonrise 11:46AMMoonset 12:00AM Illumination 38% Phase: Waxing Crescent; Moon at 6 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 Platinum, AK
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location: 59.05, -161.82     debug


Area Discussion for -
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FXAK69 PAFG 191352 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 452 AM AKST Tue Jan 19 2021

SYNOPSIS. Snow showers are beginning to move into the Fairbanks area and spreading across portions of the Central and Eastern Interior this morning. Snow accumulations of 1 to 2 inches expected across the Interior with this event through this afternoon. Snow continuing across the Western Interior and into Kotzebue Sound. Conditions have deteriorated across Kotzebue Sound with reduced visibilities in snow and blowing snow, with these conditions continuing through this morning. Attention is beginning to focus on a winter storm set to impact the West Coast and the Western Interior beginning tomorrow afternoon. Winter Storm Watches have been issued for what looks like a long duration event that could last into the weekend.

DISCUSSION. In the upper levels, a trough centered across the Interior is turning flow to more of a west to southwest direction as the trough continues to lift to the northeast this morning. This change in flow is causing snow to spread across the Interior this morning, as opposed to being chinooked out as was the case the last several days. Another shortwave will move across the West Coast and then the Interior tomorrow morning and lifting northeast as ridging builds across the Interior into Thursday. A longwave trough in the Bering Sea will strengthen and send a strong trough across the West Coast and portions of the Western Interior on Thursday, with southerly flow being the predominant direction of flow for that region going into Friday. This feature will be the focal point for the next set of hazardous weather that will impact the West Coast into Norton Sound and portions of the Western Interior beginning Wednesday night.

At 850 mb, southerly flow that brought very warm temperatures near 0C into the Interior will give way to colder Arctic air digging in from the west, resulting in a rapid cool down today. Temperatures will remain around the -10C to -15C range ahead of the next surge of warm air associated with the strong upper level feature in the Bering Sea beginning Wednesday night. This feature will bring widespread warming across the state generally anywhere from -5C to -8C, with warmer temperatures near 0C across portions of the West Coast and Western Interior going into Friday.

At the surface, broad low pressure across the Interior is spreading snow across the Western Interior east across Fairbanks and to the Canadian border this morning. This low will move east, with snow tapering off this afternoon and into the overnight hours. Surface low pressure over the YK Delta this afternoon will increase chances for snow for portions of the West Coast and Western Interior south of the Seward Peninsula Wednesday morning. The next strong winter storm will move into the Bering Sea Wednesday morning and move northeast to the West Coast by Wednesday evening. This low will continue to move north through the Bering Strait by Thursday morning ahead of a second low in the Bering Sea that will swing a front across the West Coast and Western Interior beginning Friday morning. Model consensus is good for the low tracking through the Bering Strait, but details on the second round of winter weather across the West Coast will need to be monitored further for finer details as this event extends into the weekend.

Central and Eastern Interior . Radar is showing snow beginning to spread across the Central and Eastern Interior this morning. Light snow is expected to persist into the afternoon hours for most areas, with snow accumulations of 1 to 2 inches. As conditions clear tonight, chances for snow will remain low going into Friday. Gusty south winds through Alaska Range passes cannot be ruled out at times through the short term. Temperatures are expected to cool for most areas as southerly flow weakens today and remains west to southwest flow through Thursday.

North Slope and Brooks Range . Stronger east winds are resulting in more widespread visibility reductions than was seen over the previous few days. These conditions are expected to persist into the afternoon, as winds are expected to slowly subside. A weather front is expected to lift north of the Brooks Range, resulting in increasing chances for snow, with 1 to 2 inches of accumulation possible through tonight. Temperatures expected to remain above the climatological norms going into Friday.

West Coast and Western Interior . Active weather will be the theme for this region going into the weekend. Light snow is currently extending from the Western Interior and into Kotzebue Sound. Windy conditions through Kotzebue Sound has resulted in reduced visibilities with a Winter Weather Advisory in effect until noon today. Chances of snow increase again as a weak front moves into the southern portions of the West Coast and Western Interior tonight and into tomorrow. A strong surface low will track north along the West Coast beginning tomorrow night. Snow, blowing snow, and warming temperatures above freezing is expected to cause a wide variety of issues for the West Coast and Western Interior going into the weekend.

Coastal Hazard Potential Days 3 and 4 . None.

AFG WATCHES/WARNINGS/ADVISORIES. Winter Weather Advisory for AKZ209-AKZ216-AKZ226.

Winter Storm Watch for AKZ211-AKZ212-AKZ213-AKZ214.

Brisk Wind Advisory for PKZ215-PKZ220-PKZ230-PKZ235-PKZ240- PKZ245.

JAN 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 Goodnews Bay entrance, Alaska
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Goodnews Bay entrance
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Tue -- 12:54 AM AKST     Moonset
Tue -- 02:09 AM AKST     5.73 feet High Tide
Tue -- 07:33 AM AKST     0.87 feet Low Tide
Tue -- 10:20 AM AKST     Sunrise
Tue -- 12:45 PM AKST     Moonrise
Tue -- 02:22 PM AKST     7.14 feet High Tide
Tue -- 05:36 PM AKST     Sunset
Tue -- 08:25 PM AKST     0.54 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.55.45.75.54.63.3210.91.62.84.25.56.67.176.14.73.11.50.60.71.42.4

Tide / Current Tables for Carter Spit, Alaska
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Carter Spit
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Tue -- 12:55 AM AKST     Moonset
Tue -- 02:29 AM AKST     7.39 feet High Tide
Tue -- 08:06 AM AKST     1.01 feet Low Tide
Tue -- 10:22 AM AKST     Sunrise
Tue -- 12:45 PM AKST     Moonrise
Tue -- 02:42 PM AKST     9.21 feet High Tide
Tue -- 05:35 PM AKST     Sunset
Tue -- 08:58 PM AKST     0.63 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.26.67.37.36.453.31.811.42.74.56.4899.28.46.94.92.81.20.61.12.4

Weather Map
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wmap_P
GEOS Local Image of Alaska    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




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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.