Wednesday, May24, 2017 L-36.com


Marine Weather and Tides
Saxman, 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 5:10AMSunset 9:51PM Wednesday May 24, 2017 6:27 AM PDT (13:27 UTC) Moonrise 4:24AMMoonset 7:32PM Illumination 1% Phase: Waning Crescent; Moon at 28 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- 419 Am Akdt Wed May 24 2017
Today..NW wind 20 kt. Seas 4 ft.
Tonight..NW wind 15 kt. Seas 3 ft.
Thu..NW wind 15 kt. Seas 3 ft.
Thu night..NW wind 20 kt. Seas 4 ft.
Fri..NW wind 20 kt. Seas 4 ft.
Sat..NW wind 15 kt. Seas 3 ft.
Sun..NW wind 15 kt. Seas 3 ft.

7 Day Forecast for Marine Location Near Saxman, AK
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location: 55.33, -131.63     debug


Area Discussion for -
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Fxak67 pajk 232241
afdajk
southeast alaska forecast discussion
national weather service juneau ak
241 pm akdt Tue may 23 2017

Synopsis Remnants of a low currently over the southern
panhandle will drift to the east through Tuesday evening. A ridge
of high pressure builds over the gulf behind the low. A weak
weather front passes through the yakutat area Wednesday and then
into the northern panhandle Thursday.

Short term Showers over the southern panhandle are beginning
to diminish as the low remnants exit to the east. Wind increase,
especially over the southwest panhandle coast, between exiting
low and lee side ridge this evening, then subside by Wednesday.

While the drying trend for the southern panhandle will last into
the weekend the northern and central panhandle outlook is not as
dry. Short wave riding over the ridge Wednesday into Thursday
will move in greater probability for precip, especially for the
yakutat area. Model soundings not showing as deep a layer of
moisture along the eastern panhandle with this advancing wave but
greater confidence in more than just sprinkles and cloud cover
from this wave. While ample moisture to the south with some
clearing skies tonight now think there will be more mixing
occurring at mid levels and thus less chance of fog formation.

Besides the greater certainty of the short wave moving in
Wednesday models were still in line with previous forecast.

Keeping with nam GFS guidance for the next 72 hours. Some coastal
winds were increasing at a faster rate but overall changes were
minor. Forecast confidence is average.

Long term Thursday through Monday as of 10 pm Monday. Overall
the pattern at mid levels remained similar to previous forecasts
but with some shifts in timing and positions of features. Upper
level high pressure ridge over the easter ak gulf will shift
eastward over british columbia as the broad low pressure system
from the bering sea expands over most of the ak interior and
aleutain chain through the end of the week. Do expect short waves
to extend from the main low center over the north down into the
central gulf. By the weekend uncertain on if this low will remain
consolidated or split into multiple low centers. The difference
from previous model runs is the shift eastward now occurring
sooner. At the surface high pressure ridge over the gulf flattens
with a short wave riding over into the northeast gulf. Better
indication that precip will move over the NE gulf coast and
central panhandle into Thursday. Still some model spread on depth
of moisture layer with the NAM showing a deeper saturated sounding
while the GFS keeps most saturation at mid levels for the central
panhandle. So for points north of frederick sound at very least
getting cloud cover and a few sprinkles on Thursday to scattered
showers. For Friday the ridge rebuilds over the gulf with more
dry weather in store. At this point much warmer air aloft will
move in, 8 to 10 c at 850 mb, with surface temps at least in the
mid to upper 60s. Low to mid 70's are possible, especially to the
south. Marine winds will have trended downward but still getting
nw flow on lee side of the ridge. Inner channel winds southerly
gradient also weakens as the Thursday shortwave moves out.

While overall synoptic pattern remained the same, the shift over
the low and ridge axis did change winds directions on the western
portion of the gulf from northerly to more southwesterly. For the
eastern gulf and panhandle not much change to wind fields. Used a
blend of gfs ECMWF then wpc for the rest of the long range. While
this pattern has been depicted by models for a few days forecast
confidence is only average due to the change in position of the
features with new model runs.

Aviation Conditions are improving over the southern area as low
moves away and ridge builds in. The showers should be ending by
late afternoon. Expect mostlyVFR conditions for the inner
channels to start, but lower MVFR level clouds will likely affect
the area later tonight. The outer coast has some MVFR ceilings
with stratus stratocu right now, and these lower ceilings will
increase along the outer coast tonight. Currently think there will
be enough wind in lower levels to keep fog threat to a minimum.

Marine Tight gradient between exiting low and advancing ridge
producing lee side northwesterly gales on the coastal waters this
evening. As the pattern shifts east these winds will diminish. By
Thursday as next wave advances weak barrier jet develops in the
far northeast gulf with a wind shift to more westerly and
southwesterly. For the far northern inner channels winds have
flipped south as ridge axis moves east and will increase as the
north-south gradient picks up.

Ajk watches warnings advisories
Public... Strong wind from 10 pm this evening to 1 am akdt Wednesday for
akz027.

Marine... Gale warning for pkz022-041>043.

Small craft advisory for pkz012-032-033-036-051>053.

Prb rwt prb
visit us at http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KECA2 - 9450460 - Ketchikan, AK 0 mi45 min NW 8 G 13 48°F 49°F1021.7 hPa
LCNA2 - Lincoln Rock, AK 75 mi77 min W 9.9 G 12 46°F 1020.8 hPa42°F
46145 - Central Dixon Entrance Buoy 79 mi87 min WNW 25 G 31 47°F 47°F9 ft1023.4 hPa

Wind History for Ketchikan, AK
(wind in knots)    EDIT      (on/off)   Help
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Last
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SE4
E3
G8
E3
G6
E2
SE5
SE3
W2
W10
NW6
G11
NW6
G12
N4
G10
NW8
G13
NW4
G10
NW8
G18
NW6
G14
N4
G13
N6
G14
NW8
G20
NW7
G19
NW7
G22
NW5
G11
NW9
G17
NW7
G17
NW5
G13
1 day
ago
S11
SE9
SE9
S6
G10
SE5
G8
SE10
SE11
SE11
G14
SE11
G14
SE8
SE6
SE7
SE10
S4
SE10
SE4
G7
SE11
G14
SE8
G12
SE11
G16
SE9
G13
SE9
G13
SE8
SE5
SE6
2 days
ago
SE15
G19
SE12
G17
SE12
G15
SE12
G17
SE13
G17
SE7
G10
SE10
G17
SE8
SE10
G15
SE10
SE9
G12
SE11
G14
SE11
G18
SE11
G14
S10
G17
SE4
E9
G12
SE10
G13
SE8
G11
SE7
SE11
SE7
SE14
SE12
G17

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ketchikan, Ketchikan International Airport, AK4 mi34 minNW 910.00 miA Few Clouds47°F41°F80%1022 hPa
Annette Island Airport, AK20 mi34 minNW 710.00 miA Few Clouds47°F39°F77%1021.8 hPa
Metlakatla, Metlakatla Seaplane Base, AK23 mi2.5 hrsNW 1310.00 miFair49°F41°F74%1020.4 hPa

Wind History from AKT (wind in knots)
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Last 24hrSE7SE8SE6SE5SE5NW5N10N8N9N11NW8
G17
NW9
G16
NW12
G19
W11
G17
NW12
G18
NW10
G19
NW13
G20
NW15
G23
NW7NW9NW10NW8NW9NW9
1 day agoSE10SE11SE11SE10SE8SE11SE12SE9SE10SE10E10SE9SE8SE9S8SE7SE8S8S8SE11SE10SE9SE8E7
2 days agoSE13
G22
SE12SE13
G21
SE15SE14
G20
SE17
G25
SE14SE14
G26
SE15
G24
SE13
G22
SE16SE13SE17
G24
SE18
G22
SE10
G16
SE15SE14
G20
SE12SE9SE10SE9SE11SE17SE12

Tide / Current Tables for Ketchikan, Tongass Narrows, Alaska
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Ketchikan
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Wed -- 04:22 AM AKDT     Sunrise
Wed -- 04:24 AM AKDT     Moonrise
Wed -- 06:16 AM AKDT     -2.39 feet Low Tide
Wed -- 12:33 PM AKDT     15.36 feet High Tide
Wed -- 06:20 PM AKDT     0.65 feet Low Tide
Wed -- 07:31 PM AKDT     Moonset
Wed -- 09:05 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
17.215.812.583.2-0.5-2.3-1.80.94.99.212.91515.113.29.85.92.50.81.13.67.411.715.5

Tide / Current Tables for Coon Island, George Inlet, Revillagigedo Channel, Alaska
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Coon Island
Click for Map
Wed -- 04:20 AM AKDT     Sunrise
Wed -- 04:24 AM AKDT     Moonrise
Wed -- 06:08 AM AKDT     -2.39 feet Low Tide
Wed -- 12:25 PM AKDT     15.26 feet High Tide
Wed -- 06:12 PM AKDT     0.65 feet Low Tide
Wed -- 07:31 PM AKDT     Moonset
Wed -- 09:06 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1715.411.97.32.6-0.9-2.4-1.51.35.49.713.215.114.912.89.35.42.20.71.347.912.215.8

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.