Sunday, December17, 2017 L-36.com


Marine Weather and Tides
Saxman, 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 8:50AMSunset 4:11PM Sunday December 17, 2017 5:40 AM PST (13:40 UTC) Moonrise 8:15AMMoonset 4:29PM Illumination 1% Phase: Waning Crescent; 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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PKZ036 Clarence Strait- 426 Am Akst Sun Dec 17 2017
Today..SW wind 10 kt. Seas 3 ft, except 6 ft near ocean entrances. Scattered rain showers early in the morning, then rain and snow showers.
Tonight..SE wind 15 kt. Seas 3 ft, except 5 ft near ocean entrances. Scattered rain and snow showers in the evening, then rain and snow showers late.
Mon..SE wind 20 kt. Seas 4 ft. Rain and snow showers.
Mon night..N wind 20 kt. Seas 4 ft. Scattered rain and snow showers.
Tue..NW wind 20 kt. Seas 4 ft.
Wed..NW wind 10 kt becoming se. Seas 2 ft or less.
Thu..SE wind 15 kt. Seas 3 ft.

7 Day Forecast for Marine Location Near Saxman, AK
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location: 55.33, -131.63     debug


Area Discussion for -
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Fxak67 pajk 162341
afdajk
southeast alaska forecast discussion
national weather service juneau ak
241 pm akst Sat dec 16 2017

Short term Saturday through Monday as of 1 pm Saturday
the weather front affecting the panhandle has pushed through the
northern panhandle and has almost made its way through the
southern panhandle. Behind the front widespread shower activity
is expected through the evening. An area of interest is the far
northern gulf and the eastern gulf over the next 24 hours where
steeper lapse rates (faster cooling with height) will create a
more unstable atmosphere and allow for a chance of thunderstorms
in those areas. Sunday night through Monday a surface low will
track southeast through the gulf acting to keep the panhandle wet.

Shower activity will diminish Monday from north to south as the
low tracks southeast. Surface high pressure builds over the gulf
and panhandle behind this system which will act to dry southeast
alaska out as Monday progresses.

Winds are primarily a concern this evening as mainly over the
northern panhandle and with tip jets near cross sound and cape
decision. Strongest winds will be near skagway and gales will be
present in northern lynn canal and near cross sound.

The seasonably warm above freezing temperatures decrease through
the short term. However, with the coolest temperatures being
Monday not much snow is expected across southeast alaska since
this will be the drying day for the panhandle.

Not many significant changes were made in the short term. Primary
guidance was a blend of the GFS and ECMWF with some input from the
namnest and arw to handle the shower activity behind the front.

Pop was increased to allow for more widespread shower activity
this evening. Confidence is above average in the short term.

Long term Monday through Friday as of 10pm Friday
yet another anomalously strong upper ridge continues to be
advertised by both operational models and their ensembles to
rapidly build over the gulf of alaska next week. Cool upper trough
over the northern gulf early on Monday will quickly be shunted off
to the southeast ahead of this building ridge. Lingering shower
activity on Monday will likely be in the form of snow even to sea
level for the northern and interior inner channels from haines
and juneau as far south as petersburg. Only light precip amounts
are expected and this will primarily be a case of the cold air
chasing the moisture so any snow accumulations would be minor.

Still looks like a very brief offshore flow even late Monday into
Tuesday. Northerly winds will develop over the northern inner
channels on Monday as the weak low offshore slides to the south.

Light northerly flow through the low levels will promote at least
some clearing by Monday night and Tuesday although will need to
watch for fog in places that are sheltered from the wind as the
ground will be saturated.

Low level flow becomes more nw'ly on Tuesday night into Wednesday
which is not necessarily a clear sky direction at times. Could see
some low level moisture and stratocumulus try to make a return
along the outer coast, however Wednesday should be another dry
day.

Upper ridge begins to shift east by late week with a series of
storm systems and their associated deep plumes of moisture riding
up the west side. At this time it appears the ridge will hold
strong enough to keep the deep fetch of moisture mainly to our
west, with only weakening fronts approaching from the west by
Thursday Friday. Unfortunately for snow lovers, we are hard
pressed to find any significant hope for snow in the future as
freezing levels rise to around 5 kft by late week under the strong
ridging aloft.

Aviation as of 130 pm Saturday most of the panhandle is
behind the front besides the far southeast panhandle. Shower
activity will be widespread behind this system through tonight.

This will keep conditions primarily MVFR; however, as stronger
showers pass through expect short periods of ifr conditions. In
addition to the lower ceilings and visibilities associated with
showers, westerly low level windshear will exists over much of the
panhandle through tomorrow morning. Shower activity will begin to
diminish late tomorrow.

Ajk watches warnings advisories
Public... Winter storm warning until 3 pm akst this afternoon for akz018.

Strong wind from 6 pm akst this evening through late tonight for
akz018.

Marine... Gale warning for pkz012-022.

Small craft advisory for pkz013-021-031-032-034-036-041>043-051-
052.

Small craft advisory due to seas for pkz053.

Jb del
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KECA2 - 9450460 - Ketchikan, AK 0 mi41 min Calm G 1.9 39°F 45°F1012.2 hPa
LCNA2 - Lincoln Rock, AK 75 mi31 min SW 4.1 G 5.1 41°F 1009.2 hPa35°F
46145 - Central Dixon Entrance Buoy 79 mi41 min W 7.8 G 12 44°F 46°F8 ft1012.7 hPa (+1.0)

Wind History for Ketchikan, AK
(wind in knots)    EDIT      (on/off)   Help
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SE14
G23
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G27
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G11
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SE13
G18
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SE7
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E6
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G10
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G8

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ketchikan, Ketchikan International Airport, AK4 mi48 minSE 310.00 miOvercast39°F37°F93%1012.1 hPa
Annette Island Airport, AK20 mi1.8 hrsN 010.00 miPartly Cloudy38°F35°F89%1012 hPa
Metlakatla, Metlakatla Seaplane Base, AK23 mi1.7 hrsSSE 610.00 miFair40°F35°F83%1011.4 hPa

Wind History from AKT (wind in knots)
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Last 24hrSE16
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SE22SE17SE13SE7SE8CalmNW7W5Calm6NW7NW93CalmS3S4SE3
1 day agoSE5S3SE4S7S3SE4SE3SE5SE3SE3SE3SE4S3S4S7S6SE8S7S6SE14SE13
G23
SE13
G20
SE16SE18
G21
2 days agoSE16
G23
SE18
G25
SE14
G22
SE19
G30
SE17SE18
G28
SE11SE7SE10SE3SE6SE4SE6SE3S3SE4S4S7S5S5SE5S5SE5SE7

Tide / Current Tables for Ketchikan, Tongass Narrows, Alaska
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Ketchikan
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Sun -- 12:13 AM AKST     14.40 feet High Tide
Sun -- 05:45 AM AKST     3.78 feet Low Tide
Sun -- 07:14 AM AKST     Moonrise
Sun -- 08:09 AM AKST     Sunrise
Sun -- 11:49 AM AKST     16.71 feet High Tide
Sun -- 03:16 PM AKST     Sunset
Sun -- 03:30 PM AKST     Moonset
Sun -- 06:23 PM AKST     -0.75 feet Low Tide
Sun -- 09:31 PM AKST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
14.413.911.99.16.24.33.85.17.7111416.116.715.412.58.64.41.1-0.6-0.41.74.98.611.9

Tide / Current Tables for Coon Island, George Inlet, Revillagigedo Channel, Alaska
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Coon Island
Click for Map
Sun -- 12:05 AM AKST     14.30 feet High Tide
Sun -- 05:37 AM AKST     3.78 feet Low Tide
Sun -- 07:14 AM AKST     Moonrise
Sun -- 08:09 AM AKST     Sunrise
Sun -- 11:41 AM AKST     16.61 feet High Tide
Sun -- 03:14 PM AKST     Sunset
Sun -- 03:29 PM AKST     Moonset
Sun -- 06:15 PM AKST     -0.75 feet Low Tide
Sun -- 09:31 PM AKST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
14.313.611.58.65.94.13.95.48.111.314.316.216.5151283.90.8-0.7-0.225.4912.2

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

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for (8,2,3,4)
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Ground Weather Radar Station Biorka Is., 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.