Marine Forecasts

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7 Day Forecast for Marine Location Near Excursion Inlet, AK

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Area Discussion for -

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FXAK67 PAJK 271607 AFDAJK

Southeast Alaska Forecast Discussion National Weather Service Juneau AK 707 AM AKST Fri Nov 27 2020

SHORT TERM. Friday is off to a rather quiet start. The only issue is the presence of patchy fog across portions of the central and southern Panhandle, which is supported by the near calm winds and the decrease in cloudiness. Visibilities as low as 1 mile or less have been experienced across portions of the central and southern Panhandle. The ridge of high pressure that promoted this nicer weather will begin the push toward the east of the Panhandle Friday.

The models finally came into agreement for Friday's weakening low positioning. It should come ashore to the west of Yakutat Bay Friday afternoon. It will bring chances of light precipitation to primarily the northern Panhandle Friday afternoon into the night.

The short lull in active weather will quickly come to an end on Saturday when an approaching 965 mb storm force front approaches southeast Alaska. A tight pressure gradient will be present with this system across the region. Model winds at 925 mb are at around 70 kt over the Panhandle for Saturday. Winds are expected to gust up to 60 mph with sustained winds up to around 30 mph for Gulf coastal land areas from the Dixon Entrance to Salisbury Sound as well as the Juneau area. A High Wind Watch is in effect for these areas. Sustained gales up to potential storm force winds with higher gusts are expected along the outer Gulf coast on Saturday. It will remain rather breezy behind the front for about 12 to 18 hours as the pressure gradient relaxes.

The Saturday system will also be a wet one with heavy precipitation anticipated for much of southeast Alaska with enhanced PoPs and QPF values across the area. The precipitation will primarily be liquid for much of the Panhandle. Enough cold air will be in place for the Haines Highway and Klondike Highway areas to stay primarily snow. For the Klondike Highway, around 1 inch of snow is possible for Friday night and up to 6 inches during the day on Saturday. For the Haines Highway to the Canadian border crossing, around 1 to 2 inches of snow is possible Friday night and around 6 to 8 inches on Saturday.

It looks like storm systems will continue to approach the southeast Alaska in quick succession for the foreseeable future. The onslaught continues.

LONG TERM. /Sunday through Friday night/ . The first of three strong fronts laden with a low of PW will be over Southeast Alaska at the start of this extended range forecast period. The others will impact the region on Monday night through Thursday morning and then Thursday night through Friday afternoon. Some locations may see a break from the relentless precipitation Sunday night and Monday morning but after that. anybody got an ark handy? The front that will being to affect SEAK Monday night has indications that it may be a training event with a wave working its way along the frontal boundary, causing it to waiver north and south across the Panhandle before giving way to the follow on low and associated front Thursday night. At present, locations north of Cape Ommaney and Frederick Sound will received the majority of this precipitation. Low level onshore flow and temperatures as well as mid and upper level thickness values all point to these fronts being predominantly rain makers (vice snow) for all of Southeast Alaska except possibly the far northern inner channels - Skagway, Haines, and the associated highways. By Tuesday night, the only potential left for snow will be at higher elevations along the highways.

The eastern Gulf and inner channels will get a break from the gales and small craft conditions that have been quite common for the past several days. until Monday night. At that time, the next high end gale force (possibly storm force) front will push across the eastern Gulf. Those winds winds may last as long as Wednesday night as wave rides north along the front and re-invigorates the front. At least one long range mode is suggesting that more high end gales are possible Thursday night, but we'll see what happens.

-Fritsch

AJK WATCHES/WARNINGS/ADVISORIES. PUBLIC . High Wind Watch from Saturday afternoon through Saturday evening for AKZ027. High Wind Watch from Saturday morning through Saturday afternoon for AKZ025. High Wind Watch from Saturday morning through Saturday afternoon for AKZ023. Winter Storm Watch from Saturday morning through Saturday evening for AKZ018-019. MARINE . Storm Warning for PKZ052. Gale Warning for PKZ042-043-051. Small Craft Advisory for PKZ022-041-053.



JLC/Fritsch

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
PRTA2 - Point Retreat, AK	4 mi	43 min	SE 2.9 G 8.9	37°F			1009.5 hPa	34°F
PTLA2	8 mi	31 min	SSE 1.9 G 5.1	37°F			1008 hPa	34°F
LIXA2	12 mi	30 min	WSW 1.9 G 5.1	38°F			1007.3 hPa	33°F
NKXA2	12 mi	29 min	E 4.1 G 5.1	37°F			1007.6 hPa	31°F
MVXA2	15 mi	30 min	E 1.9 G 2.9	34°F			1006.8 hPa	31°F
SCXA2	19 mi	29 min	ESE 4.1 G 6	36°F			1006.7 hPa	34°F
RIXA2	19 mi	29 min	E 6 G 8.9	37°F			1006.4 hPa	32°F
MXXA2	25 mi	29 min	ENE 2.9 G 5.1	36°F			1006.6 hPa	31°F
JNEA2 - 9452210 - Juneau, AK	26 mi	53 min	E 2.9 G 4.1	36°F	41°F		1009.7 hPa (-0.6)
AJXA2	27 mi	30 min	SSE 1.9 G 2.9	37°F			1008.2 hPa	35°F
JLXA2	27 mi	29 min	SE 1.9 G 2.9	36°F			1006.1 hPa	34°F
JMLA2	28 mi	31 min	SSE 1.9 G 2.9	36°F			1006.3 hPa	34°F
SDIA2 - South Douglas, AK	28 mi	27 min	Calm G 1	37°F			1008.3 hPa	35°F
MRNA2	36 mi	31 min	Calm G 1.9	38°F			1006.8 hPa	35°F
PAXA2	41 mi	28 min	W 1 G 4.1	37°F			1006.5 hPa	32°F
EROA2 - Eldred Rock, AK	42 mi	149 min	SSW 2.9 G 7	35°F			1010.9 hPa	33°F
PBPA2 - Point Bishop, AK	42 mi	103 min	N 2.9 G 8	36°F			1009.2 hPa	32°F
ERXA2	42 mi	30 min	N 1.9 G 2.9	37°F			1006 hPa	35°F
GUXA2	45 mi	30 min	Calm G 1.9	36°F			1006.6 hPa	32°F
TKEA2 - Tenakee Springs, AK	48 mi	31 min	S 1.9 G 2.9	33°F			1008.1 hPa	33°F

Wind History for Juneau, AK

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SE7 G10

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E7 G11

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Juneau, Juneau International Airport, AK	16 mi	60 min	S 3	10.00 mi	Overcast	35°F	32°F	89%	1009.5 hPa

Link to 5 minute data for PAJN

Wind History from AJN (wind in knots)

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N4

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E13

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SE18 G26

SE20 G25

E24 G34

SE26 G38

E30 G37

E28 G38

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SE19 G30

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NE5

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Tide / Current Tables for Barlow Cove, Mansfield Peninsula, Lynn Canal, Alaska

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Tide / Current Tables for Lincoln Island, Lynn Canal, 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.
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Ground Weather Radar Station Biorka Is., AK

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