Saturday, March25, 2017

Marine Weather and Tides
Bethel, AK

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:37AMSunset 8:32PM Saturday March 25, 2017 5:41 AM AKDT (13:41 UTC) Moonrise 6:12AMMoonset 4:11PM Illumination 4% Phase: Waning Crescent; Moon at 28 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 Bethel, AK
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location: 60.8, -161.75     debug

Area Discussion for -
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Fxak69 pafg 242131
northern alaska forecast discussion
national weather service fairbanks ak
131 pm akdt Fri mar 24 2017

Models... Big changes in guidance since yesterdays (23/12z)
solutions. Short term guidance remains similar to yesterday, but
beyond Sunday there are big changes as they spin some
precipitation north into the central and eastern interior. The gfs
is much more aggressive at this time in bringing the snow into
the area and keeping it around. Big picture the models are still
reorienting the longwave trough over the eastern bering sea and
chukchi sea midweek. The 24/12z solutions initialized well with
the 24/18z surface analysis. Precipitation guidance continues to
be lacking with the GFS providing too much coverage in the short
term. The SREF solution has been performing well with the
precipitation the last week so we will continue to use it for the
first 48 hours.

Aloft... At 500 hpa... Long wave trough persists over the eastern
half of the state through Saturday then starts retrograding to the
west, but not as far as previous solutions, and will settle over
the west coast/western interior midweek. A 481 dam low near 80n
180 will move east to 80n 140w by Sunday morning, then southeast
to banks island by Monday night. A shortwave associated with the
low will move over the western arctic Saturday afternoon and
continues east across the arctic over canadian waters by Monday
morning. A 515 dam low will develop over the copper river basin
Saturday morning and slowly drift southeast to be over cook inlet
by Monday morning at 513 dam, then moves west. Ridging over the
eastern bering sea will persist into Sunday, then the 533 dam high
over the central bering sea is cutoff from the north pacific
ridge and drifts west. A weak ridge with 518 dam heights will
build over the chukchi sea late Sunday and move east over the
arctic coast to mackenzie bay by Tuesday morning. At 850
hpa... Weak warm air advection continues, with temperatures around
-15 warming to around -10 by Wednesday.

Surface... Ridging persists from siberia over the chukotsk
peninsula to the seward peninsula and then east over the brooks
range persists, but will weaken tonight. A 993 mb low in the high
arctic will slowly move east to the high canadian arctic with a
broad area of lower pressure remaining over the arctic east of the
dateline. A 1000 mb low will develop in the northern gulf of
alaska and dissipate Saturday night. A 1024 mb high will develop
over siberia and move over the chukchi sea by Sunday morning with
ridging extending east over the arctic coast. A 985 mb low will
move out of the northeast pacific Sunday into the southeast gulf
of alaska and move to the northern gulf by Tuesday morning as it
weakens to 994 mb. A 965 mb low south of the western aleutians
will persist with a 978 mb low moving to the central aleutians by
Sunday morning the lows then merging into a single low over the
central aleutians Monday.

Arctic coast and brooks range... High pressure will continue to
hold over interior alaska and this is producing a fairly zonal
flow across the arctic through Saturday when a stronger high will
develop over the chukchi sea and push the low pressure to the east
a bit. For tonight flurries or some light snow, but not much
accumulation. As the high builds over the chukchi sea the flurries
will end over the northwest coast and be mainly east of barrow on
Sunday. Winds mainly west at 10 to 20 mph. East of deadhorse
expect some gusty winds to 35 mph at times with blowing snow.

West coast and western interior... Npp-viirs sport 24 hour
microphysics rgb at 24/1535z shows quite a bit of stratus over the
chukchi sea, kotzebue sound, and the eastern bering sea. Does not
appear to be dissipating very fast under the ridge, so not
expecting much change tonight. A few flurries and periods of
stratus and fog for the coastal areas, but difficult to say just
where the stratus will be of significant impact. Do not expect any
snow accumulation. Winds 5 to 15 mph from the northeast to east
and that may help push the stratus offshore south of the bering
strait, while creating problems north of the bering strait along
the seward peninsula coast.

Central and eastern interior... Mainly clear with the exception of
the upper tanana valley where it will be mostly cloudy with some
light snow or a few flurries through late Saturday before ending.

No significant accumulation is expected. Temperatures will
continue to be cool at night falling to -10 to -30, then
recovering during the day to 10 to 25. Winds will continue to be
light and variable.

Afg watches/warnings/advisories
Brisk wind advisory for pkz230-pkz235.

Sdb mar 17

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bethel, Bethel Airport, AK3 mi49 minNNE 1010.00 miFair4°F0°F83%1011.2 hPa

Wind History from ABE (wind in knots)
Last 24hrN8N9N9N8N9N11N11N12N13N14N16N15N14N14N11N13N13N12N10N13N10N11N11N10
2 days agoN7N7N6N6NE10N8N9N11N12N13N15N10N9NW8NW10NW7NW9NW8NW9NW8NW9NW9NW8NW8

Tide / Current Tables for Bethel, Alaska
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Sat -- 02:58 AM AKDT     2.29 feet High Tide
Sat -- 08:11 AM AKDT     Moonrise
Sat -- 08:31 AM AKDT     Sunrise
Sat -- 11:27 AM AKDT     0.30 feet Low Tide
Sat -- 03:53 PM AKDT     2.75 feet High Tide
Sat -- 06:11 PM AKDT     Moonset
Sat -- 09:15 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Apokak Creek entrance, Alaska
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Apokak Creek entrance
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Sat -- 05:26 AM AKDT     0.37 feet Low Tide
Sat -- 08:11 AM AKDT     Moonrise
Sat -- 08:33 AM AKDT     Sunrise
Sat -- 11:15 AM AKDT     10.26 feet High Tide
Sat -- 06:13 PM AKDT     0.98 feet Low Tide
Sat -- 06:14 PM AKDT     Moonset
Sat -- 09:16 PM AKDT     Sunset
Sat -- 11:12 PM AKDT     8.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
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Weather Map
IR Satellite Image from GEOS

GOES Local Image of Alaska    EDIT

Ground Weather Radar Station Bethel, AK
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weather_mapweather_map weather_map

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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.