Saturday, September23, 2017 L-36.com


Marine Weather and Tides
Sitka and, 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 6:45AMSunset 6:53PM Saturday September 23, 2017 4:35 AM AKDT (12:35 UTC) Moonrise 9:50AMMoonset 7:38PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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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PKZ032 Northern Chatham Strait- 414 Am Akdt Sat Sep 23 2017
Today..Light winds becoming se 10 kt. Seas 2 ft or less. Patchy fog early in the morning. Showers early in the morning. Rain in the afternoon.
Tonight..SE wind 15 kt. Seas 3 ft. Rain.
Sun..S wind 15 kt. Seas 3 ft.
Sun night..S wind 10 kt. Seas 2 ft or less. Areas of fog with visibility 1 nm or less.
Mon..Light winds. Seas 2 ft or less.
Tue..S wind 15 kt. Seas 3 ft.
Wed..SE wind 10 kt. Seas 3 ft.

7 Day Forecast for Marine Location Near Sitka and , AK
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location: 57.04, -135.39     debug


Area Discussion for -
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Fxak67 pajk 222246
afdajk
southeast alaska forecast discussion
national weather service juneau ak
246 pm akdt Fri sep 22 2017

Short term Friday afternoon through Saturday night ... A weak
weather system will bring more rain to the southern panhandle
tonight while scattered to numerous showers continue elsewhere. As
the weak weather system moves off to the northeast tomorrow,
showers will be replaced by rain from the next front that will
arrive Saturday afternoon. This rain will encompass the entire
panhandle by early Saturday night and become heavy at times.

Storm totals from late Saturday afternoon through early Sunday
morning are currently forecast to range from 0.5 inches to
slightly more than 1 inch.

No significant winds associated with the weak weather system
tonight apart from a southeasterly winds to 20 kt in clarence
strait. Am also seeing southerly winds to 20 kts over lynn canal
owing to a stiff southerly pressure gradient over the far northern
inner channels. Winds over the eastern gulf will form up out of
the southeast late tonight and increase to small craft intensity
by Saturday afternoon.

No significant changes to most aspects of the previous forecast.

Did update pop to slow down the weak weather system tonight and
fine tune the timing of the Saturday night front. Adjustments to
qpf for similar reasons using a blend of 12z nam12 and a the
latest forecast from rfc. Overall forecast confidence is average,
trending above average.

Long term Sunday to Friday strong southwest flow from the
central pacific is moving onshore the british columbia coast,
catching the southern part of the panhandle on the northern edge
of the stream. There should be a wave trough moving inland late
Saturday to early Sunday for the panhandle. Another system with a
closed low will move to the haida gwaii area late Sunday night and
is expected to have a significant moisture pool with it and larger
rainfall totals.

For mid week a more general broad low should be lifting into the
west central gulf of alaska and stalling which should result in
continued troughs and weak fronts lifting onshore across the
panhandle, with there clouds and rain.

Overall a wet pattern should be expected for southeast alaska next
week.

Models solutions at the later stages, day 6 period and onward are
still having some consistency issues and the solutions were
wildly different so an ensemble solution was favored. We did
adjust winds towards the wpc solution in line with neighboring
office. Not many other changes were made to the long term grids.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory for pkz042-043-051-052.

Fritsch voveris
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ITKA2 3 mi48 min 54°F 56°F1011.6 hPa
PLXA2 - 9451054 - Port Alexander, AK 67 mi54 min NNW 1.9 G 2.9 51°F 48°F1012.5 hPa
ELFA2 - 9452634 - Elfin Cove, AK 94 mi48 min 50°F 52°F1012.4 hPa

Wind History for Port Alexander, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sitka - Sitka Airport, AK3 mi43 minNW 48.00 miLight Rain Fog/Mist55°F54°F96%1011.3 hPa

Wind History from ASI (wind in knots)
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Last 24hrCalmSE3E5E4E7S5CalmSW5S6S7S8S6SW8SW7SW6CalmS7SW9S3CalmCalmE3CalmNW4
1 day agoE4E7E5CalmCalmNW3S4SW5W4SW5S4S5S5S6S13S6E5SE9SE8E3E9E7SE8Calm
2 days agoCalmCalmE5E3NW3CalmCalmSE4SE3W17NW15NW14NW9NW11NW12NW12NW6CalmCalmCalmCalmNE3CalmCalm

Tide / Current Tables for Dog Point, Lisianski Peninsula, Sitka Sound, Alaska
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Dog Point
Click for Map
Sat -- 03:16 AM AKDT     9.62 feet High Tide
Sat -- 06:49 AM AKDT     Sunrise
Sat -- 09:16 AM AKDT     1.31 feet Low Tide
Sat -- 10:49 AM AKDT     Moonrise
Sat -- 03:19 PM AKDT     10.24 feet High Tide
Sat -- 06:56 PM AKDT     Sunset
Sat -- 08:37 PM AKDT     Moonset
Sat -- 09:47 PM AKDT     0.23 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.36.78.69.69.3863.92.21.31.635.17.39.210.2108.76.64.120.60.31.1

Tide / Current Tables for Olga Point, Olga Strait, Sitka Sound, Alaska
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Olga Point
Click for Map
Sat -- 03:20 AM AKDT     9.52 feet High Tide
Sat -- 06:50 AM AKDT     Sunrise
Sat -- 09:30 AM AKDT     1.31 feet Low Tide
Sat -- 10:50 AM AKDT     Moonrise
Sat -- 03:23 PM AKDT     10.14 feet High Tide
Sat -- 06:57 PM AKDT     Sunset
Sat -- 08:38 PM AKDT     Moonset
Sat -- 10:01 PM AKDT     0.23 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.96.48.49.49.38.16.34.22.51.41.52.64.779109.98.86.84.52.30.80.20.8

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.