Thursday, September16, 2021
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Marine Weather and Tides
Ketchikan, AK

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:08AMSunset 7:49PM Thursday September 16, 2021 12:34 PM PDT (19:34 UTC) Moonrise 6:15PMMoonset 12:12AM Illumination 77% Phase: Waxing Gibbous; Moon at 10 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- 1012 Am Akdt Thu Sep 16 2021
.small craft advisory this afternoon through late tonight...
Today..S wind 15 kt becoming se 25 kt in the afternoon. Seas building to 5 ft. NEar ocean entrances, seas 4 ft building to 8 ft in the afternoon. Rain.
Tonight..SE wind 30 kt. Seas 7 ft, except 12 ft near ocean entrances. Rain.
Fri..SE wind 25 kt. Seas 6 ft, except 8 ft near ocean entrances. Rain.
Fri night..SE wind 20 kt. Seas 4 ft. Rain.
Sat..S wind 10 kt. Seas 2 ft or less.
Sun..Light winds becoming sw 10 kt. Seas 2 ft or less.
Mon..S wind 15 kt. Seas building to 4 ft.


7 Day Forecast for Marine Location Near Ketchikan, AK
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location: 55.22, -132.1     debug


Area Discussion for -
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FXAK67 PAJK 161330 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 530 AM AKDT Thu Sep 16 2021

SHORT TERM. /Through Fri night/ A gale force front is approaching the panhandle today. Some rain bands are already effecting the panhandle from Wrangell and Klawock northward and westward. Meanwhile the SE winds ahead of the front are starting to increase along the outside waters of the gulf this morning. Inner channel winds are mostly low, but some places like northern Lynn Canal are seeing 20 kt southerlies this morning.

Main change for the short range period is in the structure of the system that will be effecting the area through Fri. Guidance is finally in better agreement about what is expected from the triple point low that forms just W of Haida Gwaii later today. For the most part they have abandon idea of a stronger compact low that forms along the front then drifts northward, in favor of a weaker wave along the front. This doesn't really change the resulting winds and rain forecast except for wind directions in the SE Gulf on Fri. Still expecting gusts to around 40 mph to occur along the southern outer coast and southern panhandle late tonight into Fri. As well as gale force winds for the outside waters of the gulf this afternoon into tonight. While the rains will effect most of the panhandle, but the higher amounts (around 0.5 to 1 inch) will be along the outer coast and southern panhandle.

Fri into Fri night features the northern panhandle starting to dry out as the low center of the system transitions to just W of Haida Gwaii. This results in offshore flow developing for the north. Expect drier conditions and more north and east flow through the northern inner channels at that time.

LONG TERM. /Saturday through Wednesday night/ . This extended range forecast begins with a filling upper level low over Haida Gwaii and situated at the base of a very broad upper trough that covers the eastern two thirds of the Gulf of Alaska. Upstream to the west, a pronounced upper ridge extends from the north Pacific, across the Aleutians and well into the Bering Sea. Finally, a second upper trough lies west of the dateline. All three of these features will be progressive, with the upper ridge arriving over Southeast Alaska Sunday night, and the second upper trough/low arriving over the central Gulf Monday night. At that time, the next ridge/trough pair will be located over the Bering and west of the dateline again as the high amplitude Autumn upper level pattern continues.

At the surface, the vertical reflection of the upper low over Haida Gwaii will be filling, but the total circulation will still encompass the entire Gulf. This low will wind up getting ejected to the southeast Saturday night. Residual shower activity will persist over much of the Panhandle through the weekend, however the northeast Gulf coast should remain dry from Saturday through Sunday afternoon. The next front will press across the Gulf Sunday night with rain arriving along the outer coast from Yakutat to the Dixon Entrance by early Monday morning. While it is still quite a few days in the future, long range models are depicting this front to be fairly strong and could feature heavy rain across all of Southeast Alaska on Monday night. The current forecast features high end small craft winds over the Gulf with this front, but latest model data suggests that those winds will need to be increased to gale force. Appropriate adjustments will be made Thursday night if models remain consistent.

Daytime highs for the coming week will be seasonable, perhaps running a degree or two above normal for mid September with the same for overnight lows. Given this, there is still no mention of snow at lower elevations, but the time will come soon when a fresh dusting of snow will appear on the mountains. Still, don't look for snow near sea level until we are into October. -Fritsch

AJK WATCHES/WARNINGS/ADVISORIES. PUBLIC . Strong Wind late tonight for AKZ023-027. Strong Wind late tonight for AKZ028. MARINE . Gale Warning for PKZ041>043-051-052-310. Small Craft Advisory for PKZ022-033-035-036-053.



EAL/Fritsch

Visit us at http://www.weather.gov/Juneau


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GIXA2 19 mi23 min ESE 16 G 21 51°F 1009.9 hPa47°F
KEXA2 24 mi23 min ESE 6 G 8.9 52°F 1011.6 hPa47°F
KECA2 - 9450460 - Ketchikan, AK 26 mi47 min ESE 11 G 16 51°F 55°F1014.3 hPa
SLXA2 26 mi22 min ESE 11 G 17 51°F 1010.7 hPa45°F
SPXA2 28 mi22 min ESE 8 G 14 52°F 1010.8 hPa48°F
SXXA2 28 mi22 min ESE 8.9 G 18 51°F 1011.8 hPa48°F
MRYA2 49 mi23 min SE 8 G 14 52°F 1013.2 hPa47°F
46145 - Central Dixon Entrance Buoy 61 mi35 min SE 19 G 23 54°F 53°F5 ft1011.3 hPa (-3.0)
LCNA2 - Lincoln Rock, AK 66 mi25 min SE 15 G 25 50°F 50°F

Wind History for Ketchikan, AK
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ketchikan, Ketchikan International Airport, AK23 mi42 minSE 13 G 1810.00 miOvercast51°F47°F86%1013.8 hPa

Link to 5 minute data for PAKT

Wind History from AKT (wind in knots)
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Last 24hrNW7N8N6N8N4NW5CalmCalmSE3CalmSE3--SE3----S3SE5S3--S3SE8SE10SE9SE13
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1 day agoN9NW445Calm--6CalmCalmCalmCalmSE3SE3SE3S3CalmS5SE5E6S3CalmCalm--NW7
2 days agoSE15
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SE13SE14SE16SE12SE13SE11SE8------SE6E5N12N10N7--SW3Calm--NW7N8N6

Tide / Current Tables for Lancaster Cove, Cholmondeley Sound, Alaska
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Lancaster Cove
Click for Map
Thu -- 12:12 AM AKDT     Moonset
Thu -- 03:51 AM AKDT     0.74 feet Low Tide
Thu -- 06:23 AM AKDT     Sunrise
Thu -- 10:34 AM AKDT     11.96 feet High Tide
Thu -- 04:04 PM AKDT     4.82 feet Low Tide
Thu -- 06:14 PM AKDT     Moonrise
Thu -- 07:01 PM AKDT     Sunset
Thu -- 10:10 PM AKDT     14.09 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.35.42.91.20.81.53.45.88.410.511.811.910.897.15.54.85.36.8911.413.214.113.6

Tide / Current Tables for Niblack Anchorage, Moira Sound, Alaska
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Niblack Anchorage
Click for Map
Thu -- 12:13 AM AKDT     Moonset
Thu -- 03:55 AM AKDT     0.74 feet Low Tide
Thu -- 06:23 AM AKDT     Sunrise
Thu -- 10:34 AM AKDT     11.46 feet High Tide
Thu -- 04:08 PM AKDT     4.82 feet Low Tide
Thu -- 06:13 PM AKDT     Moonrise
Thu -- 07:01 PM AKDT     Sunset
Thu -- 10:10 PM AKDT     13.59 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.15.32.91.30.71.43.15.5810.111.311.410.48.875.54.85.26.68.71112.713.613.1

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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