Wednesday, June28, 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 3:52AMSunset 10:09PM Wednesday June 28, 2017 6:09 PM AKDT (02:09 UTC) Moonrise 9:26AMMoonset 11:30PM Illumination 25% Phase: Waxing Crescent; Moon at 5 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- 341 Pm Akdt Wed Jun 28 2017
Tonight..S wind 10 kt. Seas 2 ft or less.
Thu..S wind 10 kt. Seas 2 ft or less.
Thu night..S wind 10 kt. Seas 2 ft or less. Rain late.
Fri..S wind 10 kt. Seas 2 ft or less. Rain.
Fri night..S wind 10 kt. Seas 2 ft or less. Rain.
Sat..S wind 10 kt. Seas 2 ft or less.
Sun..S wind 15 kt. Seas 3 ft.
Mon..S wind 15 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 282230
afdajk
southeast alaska forecast discussion
national weather service juneau ak
230 pm akdt Wed jun 28 2017

Short term Wednesday night through Friday night... A high
pressure system over the eastern gulf will move inland tonight
and exit the region. A low pressure system developing across the
northeast pacific will move north into the southwest gulf Thursday
night. A front associated with the low pressure system will move
into the eastern gulf Thursday night. Showers are likely across
the northern portions of the panhandle tonight. Rain chances will
increase on Thursday across most of the panhandle as the low
pressure system advances northward and the frontal boundary moves
into the eastern gulf. Temperature values Thursday will continue
similar to temperatures which occurred over the past few days
across southeast alaska. Cloudy to mostly cloudy skies will
prevail across the region with a few breaks occurring across the
southern areas of the panhandle tonight and Thursday.

Into Fri another short wave will be riding north along the front
bringing another round of rain to most of the panhandle. Timing has
most of the rain coming for Fri night. This feature is also bringing
some wind into the area but nothing more then 15 to 20 mph and
mostly for the southern panhandle and outer coast with 25 kt winds
for the near coastal waters of the gulf. Increased winds in these
areas as a result. GFS and NAM were main models of choice for the
short range period.

Long term Saturday through Tuesday... As of 1030 pm tues... We
continue to see an upper level ridge with an associated high
pressure at the surface progress east out of the area during the
early weekend timeframe. Precipitation chances will increase as
we move into the weekend, which is in line with the approach of a
surface front, the increasing onshore flow, and plentiful moisture
available. Winds were increased for the post-frontal time period
for northern lynn canal late Sunday. Additional shortwaves moving
out of the parent upper level low situated over the gulf will
impact the area Sunday through the rest of the time period of
interest and will continue the likely pops trend, with a possible
drier period beginning Tuesday. We'll continue to monitor
developments for next week.

We strengthened Friday's front by nudging to the nam GFS and made
minor adjustments to the period beyond with wpc guidance. But
overall, few changes were needed. Overall confidence is average.

Ajk watches warnings advisories
Public... None.

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

Small craft advisory due to seas for pkz041.

Bm eal voveris
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ITKA2 3 mi52 min 59°F 52°F1020.2 hPa
PLXA2 - 9451054 - Port Alexander, AK 67 mi52 min Calm G 5.1
ELFA2 - 9452634 - Elfin Cove, AK 94 mi52 min 56°F 53°F1020.9 hPa

Wind History for Port Alexander, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sitka - Sitka Airport, AK3 mi77 minSW 810.00 miMostly Cloudy57°F48°F72%1020.2 hPa

Wind History from ASI (wind in knots)
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Last 24hrNW4CalmN4NE3E4E4E3E4NE3CalmE3CalmCalmW3W5CalmCalmS3W9SW7W7SW7SW8W5
1 day agoW13W12W10W8NW6NW5NW3W6W7NW7NW6NW4NW3W4W8W5SW6W5SW4CalmSW6SW7SW9W5
2 days agoSW8SW8NW8NW8NW4CalmCalmCalmW6NW8W9W6W5W6W7SW6W6W9W13W15W13NW10W9W12

Tide / Current Tables for Dog Point, Lisianski Peninsula, Sitka Sound, Alaska
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Dog Point
Click for Map
Wed -- 12:07 AM AKDT     Moonset
Wed -- 04:09 AM AKDT     Sunrise
Wed -- 04:11 AM AKDT     9.92 feet High Tide
Wed -- 10:25 AM AKDT     Moonrise
Wed -- 10:54 AM AKDT     -1.43 feet Low Tide
Wed -- 05:28 PM AKDT     9.34 feet High Tide
Wed -- 10:00 PM AKDT     Sunset
Wed -- 11:23 PM AKDT     2.28 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.55.37.49.19.99.58.15.83.10.7-0.9-1.4-0.71.13.66.18.19.29.28.26.54.73.22.4

Tide / Current Tables for Olga Point, Olga Strait, Sitka Sound, Alaska
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Olga Point
Click for Map
Wed -- 12:08 AM AKDT     Moonset
Wed -- 04:08 AM AKDT     Sunrise
Wed -- 04:15 AM AKDT     9.82 feet High Tide
Wed -- 10:26 AM AKDT     Moonrise
Wed -- 11:08 AM AKDT     -1.43 feet Low Tide
Wed -- 05:32 PM AKDT     9.24 feet High Tide
Wed -- 10:01 PM AKDT     Sunset
Wed -- 11:37 PM AKDT     2.28 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.257.18.99.89.58.263.51.1-0.7-1.4-10.73.15.77.99.19.18.26.74.93.42.5

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 (22,6,7,8)
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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.