National Weather Service United States Department of Commerce

Additional Heavy Rain in the Southwest into Sodden Texas, Spreading East This Week

An upper trough tapping into tropical moisture will continue producing locally heavy rain from the Southwest and Four Corners into Texas. Willa remnants deepen across Texas on Wednesday forming into a coastal low that is forecast to move slowly eastward into the Florida Panhandle later this week. Meanwhile, a system in the Northeast may produce several inches of snow across portions of Maine. Read More >

Our ASIP is staffed 7 days a week from 6:30 am to 3:30 pm
Operations Phone Line: 907.266.5138
Operations Email:

Ice Analysis Layer: Concentration Stage Forecast  Legend

FZAK80 PAFC 222312

Sea Ice Advisory for Western and Arctic Alaskan Coastal Waters
National Weather Service Anchorage Alaska
330 PM AKDT Monday 22 October 2018

FORECAST VALID...Saturday 27 October 2018


SYNOPSIS...A low pressure system will move northward from the Alaska
mainland to the southern Beaufort Sea Monday through Wednesday. It
will remain nearly stationary in the Beaufort Sea on Thursday.
Beginning Friday, the low will slowly drift northeastward towards
Canadian waters, while high pressure will build in from over the
Chukchi Sea.

-Arctic Ocean-
-Beaufort Sea-
-Chukchi Sea-

PKZ235-Point Franklin to Cape Halkett-
PKZ240-Cape Halkett to Flaxman Island-
PKZ245-Flaxman Island to Demarcation Point-
PKZ500-Western U.S. Arctic Offshore-
PKZ505-Central U.S. Arctic Offshore-
PKZ510-Eastern U.S. Arctic Offshore-

The ice edge extends from 71.2 N 156.9 W to 70.9N 159.8W to 70.6N
144.8W to 72.16N 155.8 W to 75.4N 167.3W to 75.1N 175.3W to 74.9N
180 and continues in Russian waters. The ice edge is mainly open

FORECAST FOR THE CHUKCHI SEA (Days 1 through 5)...Light northerly
winds will prevail across the Chukchi Sea through Tuesday night.
Early Wednesday winds will begin to strengthen, reaching a peak of
25 to 35 knots on Thursday. Winds will weaken slightly but remain
northerly through Saturday. In the eastern Chukchi Sea, the ice edge
will drift 20 to 30 nm southwahrd through Saturday, with little
movement of ice in the western Chukchi Sea. Ice growth is expected
to continue in the western Chukchi Sea through Saturday.

FORECAST FOR THE BEAUFORT SEA (Days 1 through 5)...Easterly to
southeasterly winds will continue across the Beaufort Sea Monday,
then become light and variable through Wednesday. Thursday afternoon
the winds will increase to 15 to 20 knots from the north. Friday and
Saturday winds will be northerly and light. Expect the pack ice in
the eastern Beaufort Sea to drift west to southwestward 10 to 15 nm
through Monday with continued sea ice growth along the ice edge.
Additional new sea ice growth is expected along the north coast of
Alaska through Wednesday.


Regional Information

Downloads: Shapefile : KMZ | last updated Tue Oct 23 12:51:47 AKDT 2018

Ice Concentration Ice Stage 5 Day Ice Forecast


Cook Inlet Sector

Ice Concentration Ice Stage


Sea Surface Temperature Analysis

Regional Analysis


Save this page by clicking here
Please follow this link (here) to see the latest satellite resources posted.