Thursday, December13, 2018 L-36.com


Marine Weather and Tides
Mud Bay, AK

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 8:36AMSunset 3:08PM Thursday December 13, 2018 12:59 PM AKST (21:59 UTC) Moonrise 12:32PMMoonset 9:57PM 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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PKZ012 Northern Lynn Canal- 854 Am Akst Thu Dec 13 2018
Today..N wind 15 kt. Seas 3 ft.
Tonight..S wind 15 kt becoming N late. Seas 3 ft.
Fri..NE wind 15 kt. Seas 3 ft.
Fri night..SE wind 20 kt. Gusts to 35 kt. Seas 4 ft.
Sat..N gale to 35 kt. Seas 7 ft.
Sun..N wind 20 kt. Seas 4 ft.
Mon..N wind 15 kt. Seas 3 ft.


7 Day Forecast for Marine Location Near Mud Bay, AK
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location: 59.17, -135.4     debug


Area Discussion for -
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Fxak67 pajk 131629 cca
afdajk
southeast alaska forecast discussion... Corrected
national weather service juneau ak
554 am akst Thu dec 13 2018

Short term Active weather Thursday as a strong low moves east
across the panhandle and to canada. Expect the low to move through
the panhandle and pull away by Thursday night. A small trailing
wave trough will move across the northern gulf Thursday night while
a ridge of high pressure is built up over the gulf and pacific ahead
of the next large and strong low south of the aleutians.

The low today has some stronger shower activity which had
continued some lightning with the bigger cells. That should be going
away as cooler air moves into the lower levels around the low. The
line of bigger shower cells is expected to lift north to the north
central panhandle. The rain snow line should be just north of that
area as the northern inner channels stay northerly and try to filter
some cooler air in. Although when the rain increases could see that
pull snow down to the surface with snow melt cooling too. The back
side of the low complex should move into the panhandle through the
day with a strong westerly punch of surface wind. Rain or snow
should continue through the day.

On Friday most of the precipitation will have tapered off over the
land areas. The small exception being of west of yakutat, and that
area dries out by Friday night too. This will be in response to the
powerful low moving into the gulf by Saturday, more on that in the
long term period.

Long term Saturday through Thursday as of 10 pm Wednesday
long range period will start out stormy with a very large low over
the gulf and NE pac Sat that moves N and weakens sun. Model
agreement begins to break down after sun, but they show potential
for more strong systems affecting the area during mon-thu with
long wave trof setting up between 150 and 160w. Ended up using
the 18z GFS to handle sat, then went with mainly latest wpc from
sun onward.

Increased winds somewhat with the sat-sun system. Raised the max
wind band ahead of the occluded front to 55 kt (with the GFS model
suggesting 60-65 kt but it was strongest model) for Sat into sat
night. Raised pops to categorical for most areas ahead of the
front for Sat into sun. May still see some snow over mainly the n
half of the area as some colder air will be in place as initial
precip arrives sat, but a warm up from the S should occur sat
night into sun, diminishing the snow threat over the central area.

Still looks fairly mild with above average temps continuing into
at least early next week, and active pattern will keep precip
threat on the higher side as well, although the main precip threat
may end up over the S half of the area during early to middle of
next week. Wind will be the main hazard that will need to be
monitored with these systems, with a threat for accumulating snow
sat into Sat night over the N half.

Aviation Wind sheer is prevalent in the forecast today as a
strong low moves inland with gusty winds in the lower levels and
across the ridge tops. A brisk westerly wind will be moving in
behind the low to the coast through the morning. Cloud ceilings are
1000 to 3000 feet over the southern two thirds do to showers pushing
into the panhandle as well.

Ajk watches warnings advisories
Public... Strong wind until 3 pm akst this afternoon for akz026.

Strong wind until noon akst today for akz027.

Strong wind from noon akst today through this afternoon for
akz022.

Strong wind from noon today to 3 pm akst this afternoon for
akz023.

Strong wind from 3 pm akst this afternoon through this afternoon
for akz020.

Marine... Storm warning for pkz042.

Gale warning for pkz021-022-033-035-041-043-051.

Small craft advisory for pkz013-031-032-034-036-052.

Small craft advisory due to seas for pkz053.

Bezenek rwt
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HAXA2 5 mi38 min SW 6 G 8.9 30°F 990.9 hPa25°F
ERXA2 17 mi38 min NNW 9.9 G 14 27°F 992.8 hPa
EROA2 - Eldred Rock, AK 17 mi36 min N 9.9 G 13 34°F 989.6 hPa29°F
SKXA2 20 mi37 min NW 1 G 1.9 33°F 992.5 hPa25°F
SKTA2 - 9452400 - Skagway, AK 20 mi66 min 33°F 40°F992.1 hPa
LIXA2 47 mi38 min NW 7 G 16 29°F 991.7 hPa25°F
BLTA2 - Bartlet Cove AK 56 mi94 min W 1.9 G 4.1 34°F

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Haines - Haines Airport, AK8 mi66 minWNW 106.00 miLight Snow Fog/Mist29°F26°F89%992 hPa
Skagway, AK22 mi2.1 hrsVar 42.50 miLight Snow34°F25°F70%991.4 hPa

Wind History from AHN (wind in knots)
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Last 24hrE84CalmNW9NW10NW10NW13NW10NW9NW7NW7NW7NW10NW9NW9NW10NW9NW10NW10NW9W10W11W11W10
1 day ago6E10
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E9E9E9
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2 days agoE15
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E7E6NE6E4CalmE3E4E7

Tide / Current Tables for Pyramid Harbor, Chilkat Inlet, Lynn Canal, Alaska
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Pyramid Harbor
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Thu -- 04:47 AM AKST     13.98 feet High Tide
Thu -- 08:49 AM AKST     Sunrise
Thu -- 10:30 AM AKST     5.51 feet Low Tide
Thu -- 12:31 PM AKST     Moonrise
Thu -- 03:02 PM AKST     Sunset
Thu -- 04:18 PM AKST     13.89 feet High Tide
Thu -- 09:58 PM AKST     Moonset
Thu -- 10:53 PM AKST     2.19 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.76.69.51213.61413.111.396.95.75.76.98.911.112.913.813.612.29.97.14.52.72.2

Tide / Current Tables for Skagway, Alaska
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Skagway
Click for Map
Thu -- 04:55 AM AKST     13.69 feet High Tide
Thu -- 08:51 AM AKST     Sunrise
Thu -- 10:46 AM AKST     5.59 feet Low Tide
Thu -- 12:32 PM AKST     Moonrise
Thu -- 02:59 PM AKST     Sunset
Thu -- 04:33 PM AKST     13.67 feet High Tide
Thu -- 09:56 PM AKST     Moonset
Thu -- 11:02 PM AKST     2.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.468.911.413.113.71311.59.57.565.66.58.310.412.313.513.512.310.17.44.92.92.1

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 (16,3,4,5)
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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.