Sunday, March26, 2017 L-36.com


Marine Weather and Tides
Haines, AK

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:35AMSunset 7:29PM Sunday March 26, 2017 10:51 AM AKDT (18:51 UTC) Moonrise 5:42AMMoonset 4:47PM Illumination 1% Phase: Waning Crescent; 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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PKZ012 Northern Lynn Canal- 340 Am Akdt Sun Mar 26 2017
Today..N wind 20 kt. Gusts to 35 kt in the afternoon. Seas 4 ft.
Tonight..N wind 20 kt. Seas 4 ft. Snow late.
Mon..N wind 15 kt becoming se in the afternoon. Seas 4 ft. Snow in the morning. Rain.
Mon night..S wind 10 kt. Seas 2 ft or less. Rain and snow.
Tue..S wind 15 kt. Seas 3 ft.
Wed..S wind 20 kt. Seas 4 ft.
Thu..S wind 15 kt. Seas 3 ft.

7 Day Forecast for Marine Location Near Haines, AK
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location: 59.23, -135.43     debug


Area Discussion for -
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Fxak67 pajk 261325
afdajk
southeast alaska forecast discussion
national weather service juneau ak
525 am akdt Sun mar 26 2017

Short term Satellite imagery shows mid and high clouds
expanding N across the panhandle early this morning as a surface
low deepens SW of haida gwaii. This will move N to the far se
gulf by late Sun afternoon and push nnw across the gulf overnight
into mon. Advisory level winds over pkz041-042 will continue to
increase today with gales expected by this afternoon. Advisory
level winds will prevail over cross sound, western portions of icy
strait and near the ocean entrances of S chatham and sumner
straits. Winds will begin to ease this evening as the surface low
drifts towards the central gulf. Offshore gradient over central
and northern panhandle inhibiting precip early this morning.

Heaviest precip over far N panhandle where northerly winds
persist. Trend for diminishing precip over the n/ctl panhandle
will continue this morning while chances increase over the
southern panhandle as the developing low pushes an occluded front
into the region. WAA with the occluded front will result in mainly
rain over the southern panhandle with ptype becoming diurnally
driven heading n. As temps cool tonight, snow will likely mix with
-ra over the N half of the area with little to no accumulation.

Current forecast represents this well. Minor adjustments made for
local effects and to reflect current conditions.

Long term /mon through sat/ looks like a fairly active weather
pattern this week with SW flow aloft steering a series of weather
fronts toward the region. Satellite imagery shows three main
cyclones over the eastern... Central... And western pacific that
weather models bring to seak during the long term forecast period.

The E pacific cyclone is currently centered west of vancouver
island. Models indicate a sfc low approaching from the S today
will slowly move nnw along the coast Mon causing widespread
precip. Snow will be part of the mix Mon north of frederick sound
but all rain at lower elevations south of there. A band of gales
along the front will affect the outside waters mon.

Another weather system ejects out of the system currently centered
over the central pac south of the aleutians and affects seak tues.

There are some differences on the evolution of this system but
more rain and snow likely with snow or mixed snow/rain primarily
north of a line from juneau to yakutat.

The western pac system is now just east of japan. Global models
indicate a large scale upper trough and surface low center develop
near the dateline mid week in response to this W pac system
stengthening. A transitory upper ridge builds downstream over the
e pac in the wed-thur time frame. Expect a cloudy but potentially
dry period centered about thurs this week. Freezing levels could
rise to about 5000 feet over the far southern panhandle thurs-
early fri. This brief push of warmer dry air late week will be
quickly replaced if the strengthening system continues to move
east into the panhandle as models indicate. Ensemble solutions
show wetter weather is likely again next weekend.

Used nam/gfs to maintain higher pops tues and GFS to lower pops a
tad thurs otherwise no change to existig forecast. Forecast
confidence in model trends is average.

Ajk watches/warnings/advisories
Public... None.

Marine... Gale warning for pkz041-042.

Small craft advisory for pkz022-036-043-051-052.

Bc/ta
visit us at http://

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SKTA2 - 9452400 - Skagway, AK 16 mi52 min 35°F 40°F1006.7 hPa (-0.6)
EROA2 - Eldred Rock, AK 21 mi88 min N 13 G 18 34°F 1005.1 hPa30°F
BLTA2 - Bartlet Cove AK 59 mi86 min N 8.9 G 13 37°F 1005.8 hPa

Wind History for Juneau, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Haines, Haines Airport, AK5 mi58 minWNW 1110.00 miPartly Cloudy33°F24°F70%1007.5 hPa
Skagway, AK18 mi59 minNNE 510.00 miFair36°F28°F73%1007.9 hPa

Wind History from AHN (wind in knots)
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Last 24hrW14W13W11W83SE6SE10SE6CalmNW7W9W9W10NW11NW8W8NW8W8W11W10NW10W10NW12NW11
1 day agoNW14
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W17W13W13
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2 days agoNW13NW9W6SE5SE5SE5CalmCalmW3CalmW5NW7NW6NW6NW9NW9NW10NW11NW14NW14
G21
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G20
NW10NW10
G17
NW12

Tide / Current Tables for Haines Inlet, Lynn Canal, Alaska
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Haines Inlet
Click for Map
Sun -- 12:46 AM AKDT     16.45 feet High Tide
Sun -- 06:41 AM AKDT     Moonrise
Sun -- 06:44 AM AKDT     Sunrise
Sun -- 06:46 AM AKDT     0.92 feet Low Tide
Sun -- 12:46 PM AKDT     17.53 feet High Tide
Sun -- 05:47 PM AKDT     Moonset
Sun -- 07:03 PM AKDT     -1.16 feet Low Tide
Sun -- 07:31 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
15.916.415128.14.21.612.76.210.514.416.917.51612.68.13.60.2-1.2-03.27.812.3

Tide / Current Tables for Cove Point, Berner's Bay, Lynn Canal, Alaska
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Cove Point
Click for Map
Sun -- 12:53 AM AKDT     15.95 feet High Tide
Sun -- 06:38 AM AKDT     Moonrise
Sun -- 06:43 AM AKDT     Sunrise
Sun -- 06:52 AM AKDT     0.94 feet Low Tide
Sun -- 12:53 PM AKDT     17.03 feet High Tide
Sun -- 05:46 PM AKDT     Moonset
Sun -- 07:09 PM AKDT     -1.19 feet Low Tide
Sun -- 07:29 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
15.215.914.8128.34.51.812.45.69.713.616.21715.812.68.33.90.4-1.2-0.32.7711.5

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 (14,3,4,5)
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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.