Monday, August21, 2017 L-36.com


Marine Weather and Tides
Haines, 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 5:34AMSunset 8:26PM Monday August 21, 2017 7:21 PM AKDT (03:21 UTC) Moonrise 4:24AMMoonset 7:40PM 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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PKZ012 Northern Lynn Canal- 529 Pm Akdt Mon Aug 21 2017
Tonight..Light winds becoming N 10 kt in the evening, then becoming se 15 kt late. Seas building to 3 ft late. Rain.
Tue..N wind 15 kt becoming se in the afternoon. Seas 3 ft. Rain.
Tue night..SE wind 15 kt in the evening becoming light. Seas 3 ft in the evening then 2 ft or less.
Wed..S wind 10 kt. Seas 2 ft or less.
Wed night..S wind 10 kt. Seas 2 ft or less.
Thu..S wind 15 kt. Seas 3 ft.
Fri..S wind 15 kt. Seas 3 ft.
Sat..S wind 20 kt. Seas 4 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 212245
afdajk
southeast alaska forecast discussion
national weather service juneau ak
245 pm akdt Mon aug 21 2017

Short term to Thursday morning frontal band associated with
the system that tapped into the moisture of ex typhoon banyan has
moved across much of the panhandle but has stalled at line
roughly from klawock to petersburg. A second impulse of heavier
precipitation moving northward on the front and is responsible for
holding the front to the west. The front will begin to move east
overnight and Tuesday. Locally gusty winds from a low level jet
tonight into the southern panhandle may bring gusts up to 35 mph
at times.

A cold trough moving into the northeast gulf coast waters and
could have enough instability to spark some t-storms Tuesday and
Tuesday evening. The low aloft has with it a moderate to cold low
core aloft and should track across the gulf and will also
continue trying to start more thunderstorms near the instability
with the low. Tuesday night into Wednesday evening think these
will try to move towards the southeast panhandle. Therefore have
slight chance over the marine waters, but have not tried to spread
them inland to the prince of wales area.

Rains over the southern half to third tonight is likely to be
heavy at times increasing the stream flows. See hydrology section
for further details.

Long term Wednesday through Sunday upper level low in the
southeast gulf will weaken and move to the SE followed by a ridge
building over the gulf and then panhandle. By Thursday another
upper level low tracking E from kamchatka will drop over the
western ak gulf. Estimate this low center will eventually swing
up to the northeast gulf coast by Saturday with a broad area of
low pressure still covering most of the gulf. Through the weekend
expect a series of waves to rotate around the main low and then
over the panhandle. At the surface a low in the SE gulf on
Wednesday will have potential to produce small craft winds over
the coastal waters before it weakens and moves inland.

Precipitation likely to diminish from N to S as this low moves
into southern british columbia with some lingering shower
activity. Any dry period will be short lived as the next surface
low moves over the ak peninsula and its associated front crosses
the gulf and then over the panhandle late on Friday. Current
projections have a wet weekend as short waves at the surface
continue to move in bands of rain. In addition to the rain
potential for stronger winds with this low and front, at least
getting up to small craft levels over the gulf coast. Once again
this system showing low fetch of moisture and while GFS ivt
analysis is aiming the heaviest amounts just south of the
panhandle still potential for periods of heavy rain.

Models still in fair agreement for the Wednesday system but did
use a blend of GFS with some NAM in nudge winds up. Later in the
period operational GFS and ECMWF still in good agreement and with
more detail than wpc were used to refresh grids to Friday. For
the rest of the time kept with wpc guidance. Forecast confidence
is bit above average due to model agreement.

Hydrology The burst of heavier rains tonight as the moisture
pocket moves through is expected to drop 2 to 5 inches with
higher amounts in the higher terrain. Rivers and streams have been
reacting well to the recent rains, and with nearly all of the 2-5
inches expected to be run off rivers and dams will increase water
levels. Local ponding near communities, seem to be the worst
flood threats expected from the event though the WFO will continue
to monitor the situation if an exceptionally heavy pulse of rain
falls in one of the basis.

Ajk watches warnings advisories
Public... None.

Marine... Small craft advisory for pkz036-041-052.

Small craft advisory due to seas for pkz042-043-051.

Bezenek prb
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 55°F 52°F1009.2 hPa
EROA2 - Eldred Rock, AK 21 mi58 min NE 4.1 G 5.1 54°F 1007.5 hPa54°F
BLTA2 - Bartlet Cove AK 59 mi56 min NNE 1.9 G 4.1 53°F

Wind History for Juneau, AK
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Haines - Haines Airport, AK5 mi28 minESE 9 G 153.00 miLight Rain Fog/Mist58°F57°F97%1009.1 hPa
Skagway, AK18 mi29 minSW 33.00 miLight Rain Fog/Mist57°F54°F90%1009.3 hPa

Wind History from AHN (wind in knots)
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Last 24hrSE9SE7E5E4SE5E5E4SE7E6E6SE7SE10SE10E5E4E6SE6SE10SE8SE8E6SE6SE8SE9
G15
1 day agoE13
G20
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G21
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E7
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G21
E7E8E9E946E7E6E8SE7E9SE7E6SE6SE64NE46SE4
2 days agoE8E9
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G23
E14
G27

Tide / Current Tables for Haines Inlet, Lynn Canal, Alaska
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Haines Inlet
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Mon -- 12:58 AM AKDT     19.17 feet High Tide
Mon -- 05:24 AM AKDT     Moonrise
Mon -- 05:34 AM AKDT     Sunrise
Mon -- 07:25 AM AKDT     -3.14 feet Low Tide
Mon -- 10:31 AM AKDT     New Moon
Mon -- 01:49 PM AKDT     17.75 feet High Tide
Mon -- 07:42 PM AKDT     0.11 feet Low Tide
Mon -- 08:33 PM AKDT     Sunset
Mon -- 08:39 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
18.119.21814.69.64.1-0.4-2.9-2.60.24.89.814.21717.716.212.78.23.70.80.22.46.611.5

Tide / Current Tables for Cove Point, Berner's Bay, Lynn Canal, Alaska
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Cove Point
Click for Map
Mon -- 01:05 AM AKDT     18.67 feet High Tide
Mon -- 05:24 AM AKDT     Moonrise
Mon -- 05:34 AM AKDT     Sunrise
Mon -- 07:31 AM AKDT     -3.20 feet Low Tide
Mon -- 10:31 AM AKDT     New Moon
Mon -- 01:56 PM AKDT     17.25 feet High Tide
Mon -- 07:48 PM AKDT     0.11 feet Low Tide
Mon -- 08:30 PM AKDT     Sunset
Mon -- 08:36 PM AKDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
17.318.717.714.69.84.5-0.1-2.8-2.9-0.34.1913.316.317.21612.88.4410.225.910.7

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 (23,6,7,8)
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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.