Gale Warning 286, NWS Juneau, AK

627 
FZAK67 PAJK 120008
OFFAJK

Offshore Waters Forecast
National Weather Service Juneau AK
308 PM AKST Sat Dec 11 2021

Offshore waters forecast for Gulf of Alaska east of 144W

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest
one-third of the combined windwave and swell height.

PKZ398-121815-
308 PM AKST Sat Dec 11 2021
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A gale force low in the southeast gulf will slowly slide south 
through Sunday. Northerly outflow winds will increase tonight 
through Sunday. 

$$

PKZ310-121815-
Gulf of Alaska North of 55 Degrees North and East of 144 Degrees
West-
308 PM AKST Sat Dec 11 2021

...GALE WARNING TODAY THROUGH SUNDAY...

.TONIGHT...NE wind 35 kt. Seas 17 ft. 
.SUN...N wind 35 kt. Seas 14 ft. 
.SUN NIGHT...N wind 25 kt becoming E 20 kt late. Seas 11 ft. W
swell. 
.MON...NE wind 20 kt. Seas 9 ft. W swell. 
.MON NIGHT...N wind 15 kt becoming S late. Seas 7 ft. W swell
in the evening. Snow showers late. 
.TUE...E wind 20 kt. Seas 7 ft. 
.WED...W wind 20 kt. Seas 8 ft. 
.THU...SW wind 25 kt. Seas 9 ft. 

$$

168 
FZAK67 PAJK 121232
OFFAJK

Offshore Waters Forecast
National Weather Service Juneau AK
332 AM AKST Sun Dec 12 2021

Offshore waters forecast for Gulf of Alaska east of 144W

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest
one-third of the combined windwave and swell height.

PKZ398-130645-
332 AM AKST Sun Dec 12 2021
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A gale force low in the southeast gulf will slowly slide south of
the gulf Sunday night. Northerly outflow winds will persist into 
Monday then begin to diminish early Tuesday. 

$$

PKZ310-130645-
Gulf of Alaska North of 55 Degrees North and East of 144 Degrees
West-
332 AM AKST Sun Dec 12 2021

...GALE WARNING EARLY TODAY THROUGH TODAY...

.TODAY...NE wind 35 kt. Seas 16 ft subsiding to 12 ft in the 
afternoon. 
.TONIGHT...E wind 25 kt. Seas 11 ft. W swell. 
.MON...E wind 20 kt. Seas 9 ft. W swell. 
.MON NIGHT...N wind 15 kt becoming S late. Seas 7 ft. W swell
in the evening. Snow showers late. 
.TUE...E wind 20 kt. Seas 7 ft. 
.WED...W wind 20 kt. Seas 8 ft. 
.THU...SW wind 25 kt. Seas 9 ft. 

$$

424 
FZAK67 PAJK 121539 CCA
OFFAJK

Offshore Waters Forecast...CORRECTED
National Weather Service Juneau AK
639 AM AKST Sun Dec 12 2021

Offshore waters forecast for Gulf of Alaska east of 144W

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest
one-third of the combined windwave and swell height.

PKZ398-130645-
639 AM AKST Sun Dec 12 2021
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A gale force low in the southeast gulf will slowly slide south of
the gulf Sunday night. Northerly outflow winds will persist into 
Monday then begin to diminish early Tuesday. 

$$

PKZ310-130645-
Gulf of Alaska North of 55 Degrees North and East of 144 Degrees
West-
639 AM AKST Sun Dec 12 2021

...GALE WARNING TODAY...

.TODAY...NE wind 35 kt. Seas 16 ft subsiding to 12 ft in the 
afternoon. 
.TONIGHT...E wind 25 kt. Seas 11 ft. W swell. 
.MON...E wind 20 kt. Seas 9 ft. W swell. 
.MON NIGHT...N wind 15 kt becoming S late. Seas 7 ft. W swell
in the evening. Snow showers late. 
.TUE...E wind 20 kt. Seas 7 ft. 
.WED...W wind 20 kt. Seas 8 ft. 
.THU...SW wind 25 kt. Seas 9 ft. 

$$

825 
FZAK67 PAJK 130050
OFFAJK

Offshore Waters Forecast
National Weather Service Juneau AK
350 PM AKST Sun Dec 12 2021

Offshore waters forecast for Gulf of Alaska east of 144W

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest
one-third of the combined windwave and swell height.

PKZ398-131900-
350 PM AKST Sun Dec 12 2021
.SYNOPSIS FOR THE EASTERN GULF OF ALASKA...
A Gale force low in the SE Gulf will slowly slide S of the Gulf
Sun night. Northerly outflow winds will start to diminish Tue. 
Outlook: Another low center slides S of the Gulf and Panhandle 
from W to E on Tue. 

$$

PKZ310-131900-
Gulf of Alaska North of 55 Degrees North and East of 144 Degrees
West-
350 PM AKST Sun Dec 12 2021

.TONIGHT...E wind 25 kt. Seas 14 ft. W swell in the evening. 
.MON...E wind 20 kt. Seas 10 ft. W swell. 
.MON NIGHT...S wind 15 kt. Seas 7 ft. W swell in the evening. 
.TUE...SE wind 20 kt. Seas 6 ft or less then 6 ft in the
afternoon. Snow showers and showers in the morning. 
.TUE NIGHT...E wind 20 kt. Seas 7 ft. 
.WED...W wind 20 kt. Seas 8 ft. 
.THU...SW wind 25 kt. Seas 9 ft. 
.FRI...W wind 25 kt. Seas 10 ft. 

$$

Southeast Alaska Forecast Discussion
National Weather Service Juneau AK
332 PM AKST Fri Dec 10 2021

.SHORT TERM.../Friday night through Saturday night/...Rain
showers and snow showers were scattered throughout the panhandle
today. And in between those showers were breaks in the clouds with
a little bit of sunshine breaking through. As the cold air
invaded the panhandle today, temperatures have been steady or
falling throughout the day. This would mean, going forward, that
any leftover rain showers out there would transition to snow
showers for tonight.

Snowfall amounts tonight look pretty spotty due to the showery
nature, but amounts up to 1 to 3 inches are possible for the areas
that get hit with more showers. Overnight lows will be in the 20s
to low 30s.

Saturday will bring a change in the weather pattern. An area of
low pressure will slide southeast through the eastern gulf. This
would mean a drying pattern for areas north of Icy Strait with
breaks in the clouds beginning late in the morning. The southern
panhandle would still be on the front side of the low, with the
possibility of a secondary low moving up from the south. This
combination would increase the chances for precipitation mainly
south of Sumner Strait.

And with temperatures cold enough throughout the atmosphere, snow
is mostly expected through Saturday night for the south.
Accumulating snowfall is looking possible.

For the north, temperatures are expected to get very cold
Saturday night. Single digits to teens are in the forecast for
northern Lynn Canal. Teens to 20s are likely for folks near Icy
Strait.

.LONG TERM.../Sunday through Wednesday as of 3pm
Friday/...Expect snow showers to end in the south, much colder
temperatures, and outflow winds to begin in the mid-range.

Snow showers will remain through Sunday morning, resulting in
variable amounts across the southern panhandle. A winter storm
watch has been issued for Ketchikan, Metlakatla and surrounding
areas for up to 6 inches from late Saturday evening to late sunday
evening. Then a break in the clouds and clear skies are likely at
the start of the week for the entire panhandle.

Strong pressure gradients will result in outflow winds, with the
strongest gusts expected in the Northern Lynn region starting late
Saturday. Gusty conditions may lead to gale warnings and heavy
freezing spray in the inner channels this weekend and into next
week. Models are continuing to lean towards drying out the
panhandle from north to south through most of the mid-range
forecast. Widespread dry conditions are expected by late Sunday
and will stick around through Tuesday. Models show precipitation
for Wednesday, but confidence on timing of this system is below
average.

Temperatures will consistent decrease through the weekend and
into the start of next week. Gusty conditions from the outflow
event will help to keep some locations in the Northern Lynn warmer
than model guidance, but high temperatures may remain below
freezing through the mid-range and hit single digits across the
north.

Focused changes were made to the start of the mid-range forecast
today to capture the winter storm watch snowfall amounts in the
southern panhandle. Marine winds were trended up about 5 knots
across the panhandle and wave heights were increased in the
Northern Lynn as well. Downtown Juneau and Douglas winds were
increased to near 25 mph to represent the outflow event.

&&

.AJK WATCHES/WARNINGS/ADVISORIES...
PUBLIC...Winter Weather Advisory until 3 PM AKST this afternoon for
     AKZ026.
     Winter Weather Advisory until 6 AM AKST Saturday for AKZ025.
     Winter Weather Advisory until midnight AKST tonight for AKZ017.
     Winter Storm Warning until 9 PM AKST this evening for AKZ029.
MARINE...Gale Warning for PKZ043-310.
     Small Craft Advisory for PKZ011>013-021-022-031-032-041-042-
     051>053.

&&

GJS/KRT

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

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JUNEAU AK
308 AM AKST SAT DEC 11 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0257 AM     SNOW             HYDER                   55.92N 130.03W
12/11/2021  M13.8 INCH       PRINCE OF WALES-HYDAK   CO-OP OBSERVER

&&