Sunday, September23, 2018

Marine Weather and Tides
Nunam Iqua, AK

Version 3.4
What's New / NOTES
9/17/2018 XTide broke when 1and1 "upgraded" my server. It has been esculated. I am sorry for the problem.

Sunrise 7:47AMSunset 7:55PM Sunday September 23, 2018 12:25 PM AKDT (20:25 UTC) Moonrise 7:16PMMoonset 4:36AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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 Nunam Iqua, AK
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location: 62.62, -164.85     debug

Area Discussion for -
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Fxak69 pafg 231146
northern alaska forecast discussion
national weather service fairbanks ak
346 am akdt Sun sep 23 2018

An unsettled and wet pattern will continue across the area, mostly
south of the brooks range, into the middle of next week. An upper
level ridge progged to build over the west coast Thursday and
interior alaska Friday will bring a period drier weather. Moist
southerly flow will redevelop over the west coast by the beginning
of next week, while the interior remains dry. Wind advisory for
eastern alaska range has been issued for gusty southerly gap winds
Monday and a high wind watch issued for the tanana valley between
dot lake and tanancross. The 23 00z model solutions are in good
agreement through Tuesday afternoon before solutions start to
differ with the shift in the synoptic pattern towards an upper
level ridge that will build over northern alaska late this week
into next weekend.

Aloft... At 500 mb, a slow moving 530 dam currently centered near
arctic village will continue its slow trek east eventually moving
into northwest canada 100 miles south of mackenzie bay by midnight
tonight. A 534 dam low currently centered over the yukon delta
will meander north into norton sound and weaken through this
evening. A strong shortwave originating from the northern pacific
ocean will quickly move northeast and deepen to a 536 dam low over
bristol bay by midnight tonight and then will move northeast over
the alaska range and then into the eastern interior by Monday
evening. Southwest flow with multiple weak shortwave following
quick moving low will persist over the south of the brooks range
through late Tuesday before a strong shortwave moves out of the
eastern bering sea and southeast over the southwest into the gulf
of alaska by late Wednesday night. A second shortwave will drop
south from the arctic over utqiagvik Wednesday afternoon and
southeast towards the southeast interior and the southeast
panhandle through Thursday night. Upper level ridge will build
over the west coast Thursday and then over interior alaska by

At the surface, a 990 mb low is currently centered near mountain
village with a trough extending east over the interior with
another extending north over the seward peninsula and chukchi
sea. This low will move north into norton sound by Monday morning,
then pinwheel around back over the yukon delta by Tuesday morning
and then north and weaken along the eastern norton sound coast
Wednesday. A broad trough encompassing the entire area associated
with this low center will weaken into Wednesday morning as it sits
over the area. A 1005 mb low 275 miles south of unalaska will
move northeast and deepen to be a 990 mb low over bristol bay by
Monday morning, and then continue northeast to be 100 miles east
of fort yukon at 1006 mb by Tuesday morning. Surface high pressure
will persist over the arctic coast and arctic ocean through
Wednesday afternoon before building south into interior alaska
through Thursday.

Eastern and central interior... Numerous to widespread showers will
continue across the area through early this evening before
tapering off as the low over the eastern brooks range moves into
western canada and south to southwest flow over the alaska range
develops. Strong gusty gap winds will increase in alaska range
passes after midnight tonight, peaking late Monday morning and
afternoon along the parks highway and then Monday afternoon and
evening along the richardson highway. As the flow becomes
southwest Monday afternoon and evening, strong southwest winds are
possible along the alaska highway between dot lake and tanacross.

A wind advisory has been issued for zone 226 and will be in
effect from 4 am Monday morning through 7 am Tuesday with a high
wind watch in effect for the alaska highway between dot lake and
tanacross in zone 224 from noon Monday through 7 am Tuesday. The
next round of precipitation will move north Monday afternoon with
the area immediately north of the alaska range downsloped before
the flow becomes southwest allowing rain to spread over the area
Monday night into Tuesday. Chances for showers will continue
through Wednesday night before tapering off as an upper level
ridge builds over the area. Dry, but cloudy conditions will
prevail for Thursday and Friday.

West coast and western interior... Unsettled, showery pattern will
continue across the area through Tuesday before shower coverage
decreases Tuesday night as an upper level ridge builds north. Dry,
but cloudy conditions will prevail through late Thursday before
moist southerly flow develops over the bering sea and west coast
Friday into next weekend; however, the western interior will
remain dry through next weekend. Winds will remain generally light
and under 10 mph, except over saint lawrence island and the bering
strait where north winds 15 to 25 mph will persist into Monday.

North slope and brooks range... Light snow will continue over the
eastern brooks range and north slope from the dalton highway east
today and then will taper off this evening. Additional snowfall
accumulations of around 2 inches. Areas of fog and stratus with
ceilings between 1000 to 3000 feet will persist along the coast as
high pressure remains anchored offshore. Light easterly winds will
prevail, except west of utqiagvik where winds will increase
tonight and flirt with small craft advisory values by Monday
morning and then will persist into Tuesday morning.

Coastal hazard potential days 3 and 4... The models
are hinting at an active pattern along the west coast for late
next week into next weekend. It is too far out to single out any
specific impacts; however we will have to continue to watch the

Hydrology Rainfall across the west coast and the interior
will cause some rises in rivers; however, no issues are expected
at the moment.

Afg watches warnings advisories
High wind watch for akz224.

Wind advisory for akz226.

Lth sep 18

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Emmonak, Emmonak Airport, AK21 mi30 minNNW 1010.00 miOvercast50°F48°F93%1001.5 hPa

Wind History from AEM (wind in knots)
Last 24hrE10
1 day agoE14E13
2 days agoW5SW5W8W9W7W7W6W7--SW3S4S3S6SE4S5S4SE6SE6SE9SE10SE10SE9SE11--

Tide / Current Tables for Kwikluak Pass, Yukon River, Bering Sea, Alaska
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Tide / Current data from XTide NOT FOR NAVIGATION
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Tide / Current Tables for Black, Black River, Bering Sea, Alaska
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Tide / Current data from XTide NOT FOR NAVIGATION
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Weather Map and Satellite Images
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GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Nome, AK
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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 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 numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at 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.