Monday, August21, 2017 L-36.com


Marine Weather and Tides
Ouzinkie, AK

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 6:25AMSunset 9:39PM Monday August 21, 2017 5:28 PM AKDT (01:28 UTC) Moonrise 4:41AMMoonset 7:46PM Illumination 0% Phase: New Moon; Moon at 29 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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PKZ137 Marmot Bay- 308 Pm Akdt Mon Aug 21 2017
Tonight..NW wind 20 kt. Seas 3 ft.
Tue..NW wind 15 kt. Seas 2 ft.
Tue night..W wind 15 kt. Seas 3 ft.
Wed..SW wind 10 kt. Seas 3 ft.
Wed night..SE wind 10 kt. Seas 3 ft.
Thu..Variable wind less than 10 kt. Seas 3 ft.
Fri..NE wind 10 kt. Seas 3 ft.
Sat..Variable wind less than 10 kt. Seas 2 ft.

7 Day Forecast for Marine Location Near Ouzinkie, AK
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location: 57.97, -152.58     debug


Area Discussion for -
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Fxak68 pafc 220114 cca
afdafc
southcentral and southwest alaska forecast discussion
national weather service anchorage ak
512 pm akdt Mon aug 21 2017

Analysis and upper levels
A cut off upper level low has developed in the gulf of alaska as
it breaks away from the upper level trough that remains over the
mainland part of the state. The upper level ridge is over the
central aleutians and protruding into the central bering sea. A
jet streak between the ridge and low is bringing increased
northwesterly winds aloft over the eastern bering sea, southwest
mainland alaska and the alaska peninsula.

The gulf coast and much of inland areas of southcentral alaska
remain under persistent shower activity today which should taper
off this evening to overnight as the upper level low moves east-
southeastward and the ridge moves eastward as well.

Model discussion
Models remain in fairly good agreement through the middle of the
week. The only real change to note is that they are slowing down
the arrival of the next batch of rain moving into the southern
mainland on Wednesday by six to twelve hours. Models also keep the
train of arctic troughs digging over the state as the continuing
pattern looks like the classic transition from late summer into
autumn.

Aviation
Panc...VFR conditions should prevail through the night as the
northeast winds today keep CIGS even higher during the periods of
rainfall. While winds may switch to more of a southeast direction
overnight, CIGS should remain above 5000 ft. A short drying trend
tomorrow will also meanVFR conditions and winds under 10 kt.

.Short term forecast southcentral alaska (days 1 through 3 tonight
through Thursday)...

rain will gradually break up across southcentral alaska this evening
through the overnight hours as the upper low marches eastward
across the southern gulf, pulling the surface low currently east
of kodiak island with it. Strong and gusty northwesterly winds
will linger through Tuesday along the alaska peninsula, shelikof
strait, and western gulf due to persistently tight pressure
gradients between the exiting low and the ridge building in.

Tuesday does not look quite as nice as previous forecasts indicated.

All guidance now indicates a short-wave digging down from the
northwest and crossing inland portions of southcentral Tuesday
afternoon through Tuesday night, with a weaker wave to follow
through Wednesday morning. This will hold in clouds over interior
areas of the susitna valley and copper river basin and produce
showers, especially across the northern to eastern copper river
basin. The best chance of seeing sunshine on Tuesday is the
western kenai peninsula up to anchorage where westerly downslope
flow will dominate south of the approaching short-wave.

The leading edge of a broad positively-tilted trough will approach
southcentral from the bering sea on Wednesday, leading to increasing
clouds and showers out ahead of it. This trough will quickly head
eastward for the gulf while another trough drops southward across
the bering sea, forcing the leading trough to become negatively
tilted and curve northward toward southcentral. All of this will
lead to another prolonged soaking rain across southcentral Wednesday
night through Thursday night - and likely beyond for at least a
portion of the region.

Short term forecast southwest alaska (days 1 and 2)
The bulk of the southwest mainland looks to remain dry through
Wednesday morning as weak ridging replaces the upper low
departing into the gulf. The exception will be across the northern
extent of the area as a trough moving across the northern half of
the state clips the delta region tonight and then the lower
kuskokwim valley on Tuesday, bringing a chance for some light
rain to these areas. There is also some fog potential across the
delta tonight as onshore flow helps to advect the marine layer
inland. The arrival of a front from the bering on Wednesday
afternoon will bring the next round of widespread rain to the
area, with rain then continuing into Thursday as yet another
arctic trough digs into the region.

Short term forecast bering sea aleutians (days 1 and 2)
Gusty northwest winds will begin to subside overnight along the
alaska peninsula as the upper low moves farther away from the
area. This will usher in a period of benign cloudy conditions
through Tuesday across the eastern half of the bering as high
pressure builds overhead. Farther west, a front will move over the
western half of the aleutian chain this evening and then slowly
push to the north and east through Wednesday, bringing rain and
small craft advisory level winds to much of the bering by
Wednesday evening. The parent low will push into the western
bering by Wednesday, keeping the rainy pattern going across the
western and central aleutians.

Long term forecast (days 4 through 7)
Beginning the extended period forecast Thursday night, the weather
pattern across the region will be dominated by a large trough over
the state, stretching from the arctic circle to the north pacific.

A highly amplified upper ridge will be in place over the western
bering, so this will be a rather slow moving pattern. As one may
expect, such amplified troughing will result in a continuation of
typical alaska early fall weather with clouds and rain impacting
most of southern alaska. On Friday and Saturday, the surface low
will move from eastern bristol bay to the gulf of alaska.

The forecast gets a little more tricky here as weak pieces of
shortwave energy will meander around the larger upper trough, so
it seems that there may be waves of rain instead of continuous
rainfall, but it will still be wetter than drier, especially
across southcentral and the gulf coast as southwest ak slowly
dries out Sunday.

By Monday, the pattern will become more dominated by a zonally
driven north pacific jet stream which will cross the southern
bering sea and eventually amplify as it moves south of the alaska
peninsula. This should result in a brief break in the weather
(note, rainfall) across southern alaska sometime early next week
before troughing over the north pacific moves back in sometime
Tuesday and Tuesday night. In other words, it seems that summer is
effectively over... Or... It is the beginning of the new season.

Afc watches warnings advisories
Public... None.

Marine... Gale 150.

Fire weather... None.

Synopsis and model discussion... Ez
southcentral alaska... Sb
southwest alaska bering sea aleutians... Cb
long term... Ja


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KDAA2 - 9457292- Kodiak Island, AK 17 mi47 min WNW 14 G 30 59°F 52°F1002.3 hPa
AMAA2 - East Amatuli Light, AK 73 mi29 min NW 9.9 G 16 55°F 1003 hPa (+1.0)51°F
46077 - Shelikof Strait, AK 85 mi39 min WSW 1.9 G 1.9 58°F 55°F3 ft1004.9 hPa (+0.6)46°F

Wind History for Kodiak Island, AK
(wind in knots)    EDIT      (on/off)   Help
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G8
NE3
G6

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kodiak, Kodiak Airport, AK15 mi36 minNW 13 G 2110.00 miOvercast60°F46°F62%1002.4 hPa

Wind History from ADQ (wind in knots)
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Last 24hrNW7W9NW10NW9NW9NW11NW7NW10NW13
G18
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G25
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1 day agoNE8NE6NE6NE6NE5NE8NE5CalmCalmSE3NE3NE3E3E5E4CalmCalmN3CalmNW44W7W9NW4
2 days agoW8NW10W8NW103NW4W4NW4W3W5W4W7W5W4CalmW3S3NE5NE5E5E6E5E8NE6

Tide / Current Tables for Kizhuyak Point, Alaska
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Kizhuyak Point
Click for Map
Mon -- 01:58 AM AKDT     10.48 feet High Tide
Mon -- 06:42 AM AKDT     Moonrise
Mon -- 06:48 AM AKDT     Sunrise
Mon -- 08:39 AM AKDT     -1.56 feet Low Tide
Mon -- 10:31 AM AKDT     New Moon
Mon -- 03:00 PM AKDT     8.77 feet High Tide
Mon -- 08:40 PM AKDT     0.84 feet Low Tide
Mon -- 09:37 PM AKDT     Sunset
Mon -- 09:45 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.39.910.59.98.25.52.60.2-1.3-1.5-0.41.64.26.68.28.88.26.74.52.41.10.91.93.8

Tide / Current Tables for Ouzinkie, Spruce Island, Alaska
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Ouzinkie
Click for Map
Mon -- 01:48 AM AKDT     10.08 feet High Tide
Mon -- 06:41 AM AKDT     Moonrise
Mon -- 06:47 AM AKDT     Sunrise
Mon -- 08:26 AM AKDT     -1.66 feet Low Tide
Mon -- 10:31 AM AKDT     New Moon
Mon -- 02:50 PM AKDT     8.37 feet High Tide
Mon -- 08:27 PM AKDT     0.74 feet Low Tide
Mon -- 09:36 PM AKDT     Sunset
Mon -- 09:45 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.39.710.19.37.44.71.9-0.4-1.5-1.5-0.21.94.46.688.47.763.91.90.90.92.14.1

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

GOES Local Image of Alaska    EDIT
Geos

Ground Weather Radar Station Kenai, AK
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weather_mapweather_map weather_map

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Disclaimer:
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 numerious 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.