Friday, June23, 2017 L-36.com


Marine Weather and Tides
Hyder, AK

Version 3.4
What's New / NOTES
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 4:56AMSunset 10:16PM Friday June 23, 2017 6:47 AM PDT (13:47 UTC) Moonrise 4:08AMMoonset 8:52PM Illumination 0% Phase: New Moon; 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- 344 Am Akdt Fri Jun 23 2017
Today..Light winds becoming nw 15 kt. Seas 2 ft or less then 3 ft.
Tonight..NW wind 10 kt becoming se late. Seas 3 ft.
Sat..SE wind 20 kt. Seas 4 ft, except 2 ft or less near ocean entrances.
Sat night..SE wind 15 kt. Seas 3 ft.
Sun..W wind 15 kt. Seas 3 ft.
Mon..W wind 15 kt. Seas 3 ft.
Tue..NW wind 20 kt. Seas 4 ft.

7 Day Forecast for Marine Location Near Hyder, AK
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location: 55.77, -130.18     debug


Area Discussion for -
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Fxak67 pajk 222244
afdajk
southeast alaska forecast discussion
national weather service juneau ak
244 pm akdt Thu jun 22 2017

Synopsis Ridge of high pressure extends across the northern
and eastern gulf. The next weather front moving up from the
southwest into the central gulf on Friday morning will push the
ridge into the panhandle.

Short term Models continue to be in good agreement with the
general weather pattern and timing. The GFS and NAM were used to
do minor changes to the forecast, with more GFS than NAM used.

The biggest issues with todays forecast package was the timing of
the erosion of the clouds and the showers ending. Sunny breaks
have increased this afternoon and should continue overnight making
for sunny to mostly sunny day across the panhandle for Friday.

That said, late tonight into early Friday morning we are expecting
a low cloud layer to form and possible patchy fog in the areas
that saw showers today. This should be a short lived event and
dissipate quickly after sunrise.

The convective characteristics we have had over the past few days
is ending with the advance of the weather front. Ahead of the
front is stable air that will slowly move into the southcentral
gulf early Friday morning, finally reaching the outer coastal
areas late Saturday night.

Another tricky aspect to the forecast today was temperatures.

Decreasing clouds should make for adequate radiational cooling
bringing our overnight lows down by 5 to 10 degrees than we have
been having. Along with low temperatures, tomorrows high is also
strongly dependent on cloud coverage. If the clouds get tripped up
and do not dissolve than expect to see warmer lows and cooler
highs.

Wind changes leaned on the GFS with a trickiness with the
direction as the different patterns move through. Variable wind
directions will be the solution to describing the change from the
current northerly flow to a southerly flow Friday evening. Wind
speed remain 15 kt or less, with the exception of cross sound and
northern lynn canal.

Long term Sunday through Thursday... Models in decent agreement
with the low moving towards the central panhandle Sat night into
sun before moving slowly inland mon. Surface ridge is progged to
develop over the gulf early next week and push eastward through
mid next week. Model solutions diverge by mid next week with high
pressure pushing E as low pressure moves into the gulf.

This will result in increased pops Sat into early next week before
a drying and warming trend through mid next week. Inherited
forecast represents this well, but did increase E winds in cross
sound to advisory levels for about 6 hours as high pressure moving
e interacts with the low moving into the gulf.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory for pkz012.

Kv bc
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KECA2 - 9450460 - Ketchikan, AK 82 mi48 min Calm G 1 54°F1029.1 hPa (+0.0)

Wind History for Ketchikan, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Metlakatla, Metlakatla Seaplane Base, AK78 mi52 minENE 310.00 miFair51°F46°F86%1028.3 hPa

Wind History from AMM (wind in knots)
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Last 24hrCalmCalm3SW6SW7SW7--SW7SW5SW4SW7SW8SW9SW7SW5Calm--Calm----CalmCalmCalmE3
1 day agoS5S5--------SW7S7S8SW8SW84--S6S5S4S4--S4--SE3Calm--Calm
2 days agoS5S456SW8--6S5S764SE9
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Tide / Current Tables for Davis River entrance, Alaska
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Davis River entrance
Click for Map
Fri -- 12:10 AM AKDT     19.18 feet High Tide
Fri -- 03:56 AM AKDT     Sunrise
Fri -- 04:08 AM AKDT     Moonrise
Fri -- 06:48 AM AKDT     -3.73 feet Low Tide
Fri -- 01:09 PM AKDT     16.54 feet High Tide
Fri -- 06:32 PM AKDT     New Moon
Fri -- 06:51 PM AKDT     1.39 feet Low Tide
Fri -- 08:51 PM AKDT     Moonset
Fri -- 09:29 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
19.118.415.410.75.20.3-2.9-3.7-1.91.96.811.51516.515.713952.21.42.96.310.815.2

Tide / Current Tables for Halibut Bay, Alaska
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Halibut Bay
Click for Map
Fri -- 12:06 AM AKDT     18.58 feet High Tide
Fri -- 04:00 AM AKDT     Sunrise
Fri -- 04:10 AM AKDT     Moonrise
Fri -- 06:43 AM AKDT     -3.53 feet Low Tide
Fri -- 01:05 PM AKDT     15.94 feet High Tide
Fri -- 06:32 PM AKDT     New Moon
Fri -- 06:46 PM AKDT     1.59 feet Low Tide
Fri -- 08:48 PM AKDT     Moonset
Fri -- 09:25 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
18.617.714.6104.70.1-2.9-3.4-1.52.36.911.414.615.91512.38.54.82.21.73.26.610.915.1

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 (9,2,3,4)
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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.