Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
Kake, AK

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 5:13AMSunset 8:37PM Wednesday April 25, 2018 10:10 AM AKDT (18:10 UTC) Moonrise 2:57PMMoonset 4:31AM Illumination 79% Phase: Waxing Gibbous; Moon at 10 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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PKZ034 Frederick Sound- 825 Am Akdt Wed Apr 25 2018
Today..S wind 10 kt. Seas 2 ft or less.
Tonight..S wind 10 kt in the evening becoming light. Seas 2 ft or less.
Thu..NW wind 10 kt. Seas 2 ft or less.
Thu night..N wind 15 kt. Seas 3 ft.
Fri..NE wind 20 kt. Seas 4 ft.
Sat..NE wind 25 kt. Seas 5 ft.
Sun..W wind 15 kt. Seas 3 ft.

7 Day Forecast for Marine Location Near Kake, AK
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location: 56.82, -133.78     debug


Area Discussion for -
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Fxak67 pajk 251335
afdajk
southeast alaska forecast discussion
national weather service juneau ak
535 am akdt Wed apr 25 2018

Short term As of 430 am Wednesday, a pattern change will occur
over the next 48 hours. A weather front continues to track
eastward across the northeast gulf coast this morning. This front
will dissipate as it pushes east through Thursday morning.

Precipitation associated with the front will spread over the
majority of the northern panhandle today (north for fredrick
sound)
tomorrow will follow a drying trend over the northern panhandle
(with the southern panhandle remaining dry) as the front
dissipates and high pressure builds over gulf and panhandle.

Additionally the winds will diminish significantly as the surface
pressure gradient over the panhandle minimizes.

Some adjustments were made to the inherited short term forecast.

Winds were diminished as whole, especially, late tonight and
tomorrow as high pressure builds over the eastern gulf and
panhandle. These winds may need to be adjust downward more to
allow more light winds to be present over the inner channels this
evening and tomorrow. Slight temperature adjustments were made to
increase lows where more cloud cover is present overnight and
decrease lows where less cloud cover is expected. Primary guidance
was a blend of 00z canadian and 06 gfs. Forecast confidence
remains above average in the short term.

Long term Friday through Wednesday ... A large surface high
will be centered south of the aleutians at the start of this long
range forecast period. Prominent ridge axis extends northeast
diagonally across the gulf. Farther north, a low near the bering
strait will be pushing a front east across the southern portion of
the state and along the northern periphery of the surface ridge.

Models are currently in significantly better agreement with this
set-up and changes were made in the extended forecast to reflect
this. Main change has been to increase the likelihood of rain from
Friday onward. The front referenced above will not make much
eastward progress beyond CAPE fairweather. However, a second
frontal feature will cross the central gulf beginning Saturday and
arrive along the central southern outer coast by Sunday morning.

A third front will cross the gulf on Sunday and spread rain across
all of the panhandle Sunday night.

With the increases to pop and based on model spectrum spreads,
decided to diminish daytime highs slightly. Overnight lows were
adjusted up even less. Net effect will be a diminished diurnal
range over the coming week.

Blended gfs, ecmwf, and the canadian nh for pressure through
Sunday night. Used canadian nh winds as a foundation through
Friday night, then primarily gfs. Preferred the SREF pop field
early on, but then favored the upper level pattern depicted in gfs
for the second and third fronts and how they interact with the
surface ridge.

Forecast confidence in a continued wet pattern for the upcoming
week remains lower than average but is increasing.

Aviation The worst conditions associated with the weather front
over the northern panhandle have passed as a whole; however,
marginal vrf conditions are still expected this morning over
portions of the northern panhandle. Gusty winds remain near
northern lynn canal this morning; they will diminish through the
afternoon hours.

Rgb satellite imagery this morning has been able to identify fog
over the southern panhandle with klawock currently being impacted.

Fog is expected to diminish quickly after sunrise leading to
favorable flight conditions by late morning south of fredrick
sound. As the front dissipates and the high builds fog will be a
possibility once again over the southern panhandle during the
late evening hours through Thursday morning.

Marine Winds over the next 24 hours will diminish significantly
over the gulf and inner channels as a surface ridge of high
pressure builds over the gulf and panhandle. Between late tonight
and tomorrow expect many of the inner channels winds to become
light and variable as the pressure gradient minimizes.

Ajk watches warnings advisories
Public... Strong wind until 4 pm akdt this afternoon for akz018.

Marine... Small craft advisory for pkz012-013-043-051.

Small craft advisory due to seas for pkz041-042-052-053.

Jb fritsch
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FFIA2 - Five Finger, AK 32 mi70 min S 9.9 G 14 43°F 1028.5 hPa (+0.4)
PGXA2 46 mi17 min SE 22 G 30 41°F 1026.2 hPa35°F
PLXA2 - 9451054 - Port Alexander, AK 61 mi40 min S 1 G 2.9 43°F 44°F1029.1 hPa

Wind History for Port Alexander, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kake - Kake Airport, AK14 mi74 minSE 710.00 miOvercast43°F37°F80%1031.3 hPa

Wind History from AFE (wind in knots)
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Last 24hrSE8SE7SE8SE7S5S6SE6SE5SE5SE3--SE4E5--E5E6E8E5E7SE8--SE7SE7SE7
1 day agoE11
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2 days agoE11
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G22

Tide / Current Tables for Entrance Island, Keku Strait, Alaska (sub)
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Entrance Island
Click for Map
Wed -- 04:26 AM AKDT     3.40 feet Low Tide
Wed -- 04:31 AM AKDT     Moonset
Wed -- 05:21 AM AKDT     Sunrise
Wed -- 10:24 AM AKDT     13.02 feet High Tide
Wed -- 02:57 PM AKDT     Moonrise
Wed -- 04:51 PM AKDT     0.40 feet Low Tide
Wed -- 08:25 PM AKDT     Sunset
Wed -- 11:10 PM AKDT     13.95 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
11.18.96.64.63.53.64.97.19.611.712.912.811.38.85.72.910.41.53.97.110.412.813.9

Tide / Current Tables for Hamilton Bay, Kupreanof Island, Keku Strait, Alaska
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Hamilton Bay
Click for Map
Wed -- 03:59 AM AKDT     3.40 feet Low Tide
Wed -- 04:31 AM AKDT     Moonset
Wed -- 05:21 AM AKDT     Sunrise
Wed -- 10:05 AM AKDT     12.12 feet High Tide
Wed -- 02:57 PM AKDT     Moonrise
Wed -- 04:24 PM AKDT     0.40 feet Low Tide
Wed -- 08:26 PM AKDT     Sunset
Wed -- 10:51 PM AKDT     13.05 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
9.77.65.53.93.445.57.69.711.412.111.69.87.14.21.80.50.72.24.87.910.612.513

Weather Map and Satellite Images
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wmap_P
GOES Local Image of PacificNorthwest    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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Wind Forecast for (14,3,4,5)
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Ground Weather Radar Station Biorka Is., AK
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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.