Marine Forecasts

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7 Day Forecast for Marine Location Near Coffman Cove, AK

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Area Discussion for -

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FXAK67 PAJK 070001 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 301 PM AKST Fri Dec 6 2019

SHORT TERM. An upper level ridge will build over the gulf tonight, shifting jet stream level flow out of the NW. This will help the scattered to numerous showers over the central panhandle to weaken some. A surface trough will cause the showers to shift northward through the evening. Most places are cold enough to see a mix, but little accumulation is expected.

Through Saturday night the upper level ridge will shift east over the panhandle and turn flow back out of the W-SW. This "dirty ridge" will allow more clouds and moisture to flow into the northern panhandle, but should be able to hold back the main front over the west-central gulf from making further progress. The warm front portion of the front however, will be able to cause steady rain on Saturday to become moderate to heavy Saturday night in Yakutat. The warm air will cause snow levels to gradually rise through the weekend, resulting in a change to all rain.

The upper level trough/ridge pattern becomes more amplified Sunday night with the ridge sharpening over the panhandle. This will cause the warm frontal rain to be pushed back off the panhandle. The Ketchikan area in particular will be stay dry through the period.

LONG TERM. / Sunday to Friday as of 10 pm Thursday / Ridge axis aloft at 500 mb is pushed east of the Southeast Alaska panhandle by Sunday night but the upper trough to the west is trying to nose further into the western gulf. As it does a long southerly fetch aloft will move to the eastern half of the gulf which will lead to increase onshore flow of warm and moister air.

The flow pattern will have some rain for the central gulf coast, perhaps over to the Icy Bay-Yakutat Bay region on Sunday and as the ridge shifts eastward the increase in clouds over at least the northern panhandle will happen along with a small bump in rain changes. Mid to long range models solution still hanging on to the idea that significant frontal band will spread in around Tuesday and a followup around Thursday. Will need to keep a watch and monitor this situation as it develops.

With the overall southerly flow pattern, temperatures should remain above average for the season. And no strong wind events is expected through the week.

AJK Watches/Warnings/Advisories. PUBLIC . None. MARINE . Small Craft Advisory for PKZ041>043-051-052.



Ferrin/Bezenek

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

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
LCNA2 - Lincoln Rock, AK	12 mi	55 min	N 7 G 9.9	37°F			1010 hPa	33°F
CDEA2 - Cape Decision, AK	64 mi	43 min	ENE 5.1 G 7	38°F			1011.4 hPa	35°F
KECA2 - 9450460 - Ketchikan, AK	84 mi	53 min	Calm G 1.9	31°F	44°F		1010.2 hPa

Wind History for Ketchikan, AK

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure

Link to 5 minute data for PAKW

Wind History from AKW (wind in knots)

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Last 24hr	S6	--	S6	W5	--	S3	--	Calm	Calm	Calm	NW3	Calm	NE4	--	Calm	Calm	--	--	--	--	--	--	--	NE4
1 day ago	--	--	S9 G16	--	--	--	--	--	--	--	--	--	--	--	--	4	--	--	Calm	--	--	S6	SW4	--
2 days ago	--	--	--	SW7	--	SW3	--	S4	Calm	--	S4	--	SE7	Calm	--	--	Calm	NE3	--	--	--	--	--	--

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Tide / Current Tables for Lake Bay, Alaska

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Tide / Current Tables for Exchange Cove, Alaska

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Weather Map

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GEOS Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for (7,2,3,4)

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Ground Weather Radar Station Biorka Is., AK

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