Thursday, June20, 2019 L-36.com


Marine Weather and Tides
Hollis, AK

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 3:47AMSunset 10:10PM Wednesday June 19, 2019 9:52 PM AKDT (05:52 UTC) Moonrise 11:36PMMoonset 6:20AM Illumination 93% Phase: Waning Gibbous; Moon at 17 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- 317 Pm Akdt Wed Jun 19 2019
Tonight..NW wind 10 kt. Seas 2 ft or less.
Thu..NW wind 15 kt. Seas building to 3 ft in the afternoon.
Thu night..NW wind 10 kt. Seas 2 ft or less.
Fri..NW wind 10 kt. Seas 2 ft or less.
Fri night..S wind 10 kt. Seas 2 ft or less.
Sat..NW wind 15 kt. Seas building to 3 ft.
Sun..NW wind 10 kt. Seas 2 ft or less.
Mon..N wind 15 kt. Seas 3 ft.


7 Day Forecast for Marine Location Near Hollis, AK
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location: 55.48, -132.65     debug


Area Discussion for -
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Fxak67 pajk 192234
afdajk
southeast alaska forecast discussion
national weather service juneau ak
234 pm akdt Wed jun 19 2019

Short term Current satellite imagery shows a descending band of
clouds passing over the panhandle, while a low pressure system is
tracking over haida gwaii. As these features move southeast of our
area, surface ridging will build over the gulf of alaska. This
will promote clearing skies over the panhandle and allow a marine
stratus deck to form over the gulf of alaska. The marine layer may
creep into the outer coastline overnight both tonight and
Thursday night; however, it is expected to retreat from the
shoreline, during the late morning and afternoon hours. With
relatively clear skies in the forecast tomorrow and Friday, expect
temperatures to rapidly warm and highs to be much warmer than we
have seen thus far this week.

Overall the biggest changes to the forecast revolved around the
marine layer's evolution over the next few days. Conditions over
the gulf are expected to be much cloudier than the previous
forecasts have carried. Additionally with clear skies over the
panhandle, afternoon highs were warmed both Thursday and Friday
placing some highs in excess of 70 degrees. One other change to
the forecast was the introduction of a strong pressure gradient
over the northern panhandle Friday, which should allow winds to
approach small craft criteria within lynn canal. Overall forecast
confidence is above average with primary guidance coming from a
blend of the 12z NAM and GFS and the marine layer being handled
primarily by the 18z namdng.

Long term Friday through Wednesday night ... A ridge of high
pressure will extend from the surface to 300mb and be situated
over the eastern gulf at the start of this extended range
forecast period. To the west, a large upper level low will extend
all the way down to the surface. The low and associated front will
be moving east and will displace the ridge over the panhandle by
Saturday. The low will then undercut what is left of the ridge on
Sunday.

The front associated with this low starts out looking fairly
robust with plenty of mid level vorticity and excellent jet
support. However, a lot of that energy will be dissipated in the
process of breaking down and displacing the very strong surface
ridge that lies between the front and the panhandle. This is
reflected in precip fields being depicted by the various models -
strong and vigorous in the western gulf, but then a rapidly
diminishing precip footprint as the front approaches the outer
coast. At this time, it looks like the best chances for frontal
precipitation will be for the central and southern outer coast on
Saturday morning. The front will rapidly dissipate after
landfall, but precipitation remains in the forecast in the form of
easterly wave activity for the second half of the weekend.

Winds continue to be not very impactful for most of the long range
forecast period. One exception will be on Saturday as the front
comes ashore. Winds in lynn canal are forecast to get up to 20 kts
Saturday afternoon and then again on Sunday afternoon.

Used GFS for updates to pressure and wind Friday through Saturday
night. Updates to pop and QPF from NAM and GFS on Friday, then gfs
on Saturday. Blended in current wpc thereafter. No changes to
temperatures. Overall forecast confidence is average.

Ajk watches warnings advisories
Public... None.

Marine... None.

Jb fritsch
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LCNA2 - Lincoln Rock, AK 40 mi102 min NNW 12 G 13 56°F 1021.2 hPa50°F
GIXA2 41 mi20 min WNW 8.9 G 15 58°F 1020.6 hPa50°F
KECA2 - 9450460 - Ketchikan, AK 55 mi58 min NW 5.1 G 7 58°F 54°F1022.6 hPa
46145 - Central Dixon Entrance Buoy 78 mi52 min W 18 G 23 52°F 51°F5 ft1023.9 hPa (+0.2)

Wind History for Ketchikan, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Klawock - Klawock Airport, AK24 mi2 hrsVar 310.00 miA Few Clouds57°F48°F72%1023.3 hPa

Wind History from AHY (wind in knots)
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SE124CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm--3CalmSE12E13SE12E9
1 day agoSE9SE7SW4CalmSE7E4CalmCalmCalmE3--CalmCalmCalm3CalmCalmCalmE3CalmCalmCalmE3S8
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Tide / Current Tables for Hollis Anchorage, Kasaan Bay, Alaska
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Hollis Anchorage
Click for Map
Thu -- 02:58 AM AKDT     15.88 feet High Tide
Thu -- 04:07 AM AKDT     Sunrise
Thu -- 07:24 AM AKDT     Moonset
Thu -- 09:25 AM AKDT     -1.23 feet Low Tide
Thu -- 04:07 PM AKDT     13.83 feet High Tide
Thu -- 09:31 PM AKDT     3.88 feet Low Tide
Thu -- 09:36 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.912.915.115.914.912.28.34.10.7-1.1-0.90.93.87.310.512.813.813.211.18.35.74.145.4

Tide / Current Tables for Karta Bay, Kasaan Bay, Alaska
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Karta Bay
Click for Map
Thu -- 02:59 AM AKDT     16.18 feet High Tide
Thu -- 04:06 AM AKDT     Sunrise
Thu -- 07:23 AM AKDT     Moonset
Thu -- 09:34 AM AKDT     -1.43 feet Low Tide
Thu -- 04:08 PM AKDT     14.13 feet High Tide
Thu -- 09:37 PM AKDT     Sunset
Thu -- 09:40 PM AKDT     3.68 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.712.915.316.215.212.68.74.40.9-1.1-1.30.43.57.110.51314.113.511.58.65.94.13.85

Weather Map and Satellite Images
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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 (1,6,7,8)
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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.