Saturday, April21, 2018 L-36.com


Marine Weather and Tides
Loring, 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 6:13AMSunset 8:52PM Saturday April 21, 2018 12:31 AM PDT (07:31 UTC) Moonrise 9:44AMMoonset 1:50AM Illumination 34% 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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PKZ036 Clarence Strait- 345 Pm Akdt Fri Apr 20 2018
.small craft advisory through this evening...
Tonight..SE wind 25 kt becoming nw 15 kt late. Seas 7 ft, except 10 ft near ocean entrances. Rain in the evening.
Sat..SE wind 10 kt. Seas building to 3 ft in the afternoon.
Sat night..SE wind 20 kt. Seas 4 ft. Rain showers late.
Sun..SE wind 25 kt. Seas 6 ft. Rain.
Sun night..SE wind 25 kt. Seas 6 ft. Rain.
Mon..SE wind 20 kt. Seas 7 ft.
Tue..S wind 20 kt. Seas 4 ft.
Wed..S wind 15 kt. Seas 3 ft.

7 Day Forecast for Marine Location Near Loring, AK
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location: 55.97, -131.52     debug


Area Discussion for -
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Fxak67 pajk 202307
afdajk
southeast alaska forecast discussion
national weather service juneau ak
307 pm akdt Fri apr 20 2018

Short term A shortwave that developed over haida gwaii this
morning has moved over the southern panhandle and will diminish
into this evening. Satellite imagery was showing the trough
becoming negatively tilted (strengthening) about mid-morning.

Some areas such as ketchikan, elfin cove, annette, metlakatla, and
yakutat experienced some on and off showers throughout the day
today and a few brief gusts in ketchikan.

The northern and central panhandle will remain relatively dry
over the next two days, being under the left exit region of the
jet (some clearing expected but scattered showers in the
afternoon due to daytime heating). There will be breaks in pop,
before increasing to widespread pop's on Sunday and gale force
winds in the gulf. Some scattered snow showers will be possible
along the highways and higher elevations. The pop field was
blended with nam ECMWF and some GFS sref.

Maximum temperatures were decreased with a blend of the GFS to
account for some pockets of caa. Haines and skagway will remain
warmer than expected due to some downsloping during the day.

Minimum temperatures were decreased for the tonight period.

Pressures were blended with the namnest and GFS to show the
barrier jet coming up sooner. Winds over land were a little
complicated with a few directional changes. Model agreement does
well through about Sunday, but there are some variances to the
strength and timing with the next system coming through.

Long term Sunday through Friday as of 10 pm Thursday upper
trof will generally remain over the gulf of ak and NE pac through
long term period. A couple of occluded fronts will move into the
area, with first one affecting the area sun-mon, and second one
on tue-wed. Models are in better agreement on these features, and
are showing stronger systems with both. Used 18z GFS nam blend for
sun, then mainly wpc for Sun night onward.

With the stronger systems during first half of long term,
increased winds associated with both, with the second system
getting a bigger wind boost. First occluded front will likely have
one or more low pressure waves moving N along it as upper trof
takes on a more negative tilt, but models differ on timing of
them, so for now have left that detail out. Still, looks like gale
force winds for the gulf, and possibly over parts of the inner
channels as well. First front will be a slow mover due to flow
aloft becoming more parallel to it, so a more prolonged period of
significant rainfall is likely. With the tue-wed front, increased
winds 10+ kt for much of the area, and now have near gale force
winds for the gulf. Models differ on how far SE the front gets
before potentially stalling or falling apart, which would have big
impact on where most significant winds and rainfall will occur.

Late in the period, upper trof remains over the gulf of ak and ne
pac, but models differ on any additional systems moving through
it after thu. Still, looks like a wet long range period overall,
which should help to alleviate some of the short and long term
rainfall deficits over SE ak.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory for pkz036-052.

Small craft advisory due to seas for pkz022-041>043-051-053.

Ss rwt
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GIXA2 41 mi29 min E 6 G 8 37°F 1007.5 hPa34°F
SLXA2 44 mi29 min NNW 11 37°F 1007.5 hPa34°F
KEXA2 44 mi29 min NW 1.9 G 2.9 39°F 1007 hPa36°F
KECA2 - 9450460 - Ketchikan, AK 45 mi49 min N 1 G 2.9 44°F1007.4 hPa
LCNA2 - Lincoln Rock, AK 62 mi81 min NW 2.9 G 5.1 1005.8 hPa

Wind History for Ketchikan, AK
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G16

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ketchikan, Ketchikan International Airport, AK44 mi38 minNNW 49.00 miLight Rain40°F37°F93%1007.4 hPa

Wind History from AKT (wind in knots)
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Last 24hrS4S3CalmS3CalmCalmCalmCalmCalmSE3S53S6S6S8S7SE14
G20
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G16
SE10SE9SE9SE6CalmNW4
1 day agoSE21
G27
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G31
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G29
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2 days agoS4SE6S4SE5SE5SE7SE10SE7S8SE8SE12
G21
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G24
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G25

Tide / Current Tables for Bell Arm, Bell Island, Alaska
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Bell Arm
Click for Map
Sat -- 01:50 AM AKDT     Moonset
Sat -- 04:55 AM AKDT     15.90 feet High Tide
Sat -- 05:25 AM AKDT     Sunrise
Sat -- 09:44 AM AKDT     Moonrise
Sat -- 11:39 AM AKDT     -0.44 feet Low Tide
Sat -- 06:08 PM AKDT     13.43 feet High Tide
Sat -- 08:05 PM AKDT     Sunset
Sat -- 11:47 PM AKDT     4.36 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.67.110.213.115.215.914.912.595.21.9-0.1-0.31.13.87.110.212.513.412.911.28.76.44.8

Tide / Current Tables for Convenient Cove, Hassler Island, Alaska
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Convenient Cove
Click for Map
Sat -- 01:50 AM AKDT     Moonset
Sat -- 04:53 AM AKDT     15.87 feet High Tide
Sat -- 05:26 AM AKDT     Sunrise
Sat -- 09:45 AM AKDT     Moonrise
Sat -- 11:38 AM AKDT     -0.40 feet Low Tide
Sat -- 06:07 PM AKDT     13.27 feet High Tide
Sat -- 08:05 PM AKDT     Sunset
Sat -- 11:44 PM AKDT     4.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.77.210.313.215.215.914.912.48.95.11.9-0-0.31.13.87.110.112.413.312.7118.66.34.8

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (3,6,7,8)
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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.