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Gale Warning

Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ806-190200-
Sledge Island to Wales out to 15 NM-
346 AM AKDT Tue Aug 18 2026

...GALE WARNING IN EFFECT THROUGH EARLY THIS MORNING...

.TODAY...N winds 25 kt. Seas 6 ft.
.TONIGHT...N winds 25 kt. Seas 5 ft.
.WED...N winds 20 kt. Seas 4 ft.
.WED NIGHT...NW winds 15 kt. Seas 3 ft.
.THU...SW winds 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 3 ft. Rain showers.
.FRI...E winds 25 kt. Seas 6 ft.
.SAT...N winds 25 kt. Seas 10 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ856-190200-
Wales to Cape Thompson greater than 15 NM-
346 AM AKDT Tue Aug 18 2026

...GALE WARNING IN EFFECT THROUGH EARLY THIS MORNING...

.TODAY...NW winds 25 kt. Seas 7 ft.
.TONIGHT...N winds 20 kt. Seas 5 ft.
.WED...N winds 20 kt. Seas 4 ft.
.WED NIGHT...NW winds 15 kt. Seas 3 ft.
.THU...S winds 10 kt. Seas 3 ft.
.THU NIGHT...S winds 10 kt. Seas 4 ft.
.FRI...N winds 25 kt. Seas 5 ft.
.SAT...N winds 25 kt. Seas 12 ft.

$$

Aug 26

Flood Advisory

Flood Advisory
National Weather Service Anchorage AK
1245 PM AKDT Mon Aug 17 2026

AKZ745-192345-
/O.NEW.PAFC.FA.Y.0018.260817T2045Z-260819T2345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Susitna Valley AK-
1245 PM AKDT Mon Aug 17 2026

...FLOOD ADVISORY IN EFFECT UNTIL 345 PM AKDT WEDNESDAY...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Yenta River near Lake Creek.

* WHEN...Until 345 PM AKDT Wednesday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 1243 PM AKDT, river gauge reports indicate rises in water
    levels from heavy rain across the advisory area. This will cause
    minor flooding from overflow of poor drainage areas. Between 1
    and 2.5 inches of rain have fallen. Additional rainfall amounts
    of 0.2 to 0.5 inches are possible.
  - For Yentna River at Lake Creek:
    At 11:50am the stage was 20.2 feet.
    Flood Stage is 20.5 feet.
    Forecast: A crest around 20.9 feet is expected at 10:00am
    Tuesday.

Impacts:
At 20.5 feet: Anglers Inn & King Point Lodges will have water in
several cabins.


  - Http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.

&&

LAT...LON 6191 15101 6196 15096 6195 15082 6187 15077
      6186 15085


$$

Small Craft Advisory

Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ805-190200-
Moses Point to Sledge Island out to 15 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS MORNING...

.TODAY...N winds 25 kt. Seas 3 ft subsiding.
.TONIGHT...N winds 15 kt. Seas 3 ft.
.WED...N winds 15 kt. Seas 3 ft.
.WED NIGHT...NW winds 10 kt. Seas 2 ft.
.THU...W winds 10 kt. Seas 2 ft.
.THU NIGHT...SW winds 10 kt. Seas 2 ft.
.FRI...SE winds 20 kt. Seas 7 ft.
.SAT...N winds 20 kt. Seas 4 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ807-190200-
Wales to Cape Espenberg out to 15 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...NW winds 25 kt. Seas 8 ft subsiding to 6 ft.
.TONIGHT...N winds 25 kt. Seas 5 ft.
.WED...N winds 20 kt. Seas 4 ft.
.WED NIGHT...NW winds 10 kt. Seas 3 ft.
.THU...SW winds 10 kt. Seas 3 ft.
.THU NIGHT...S winds 10 kt. Seas 3 ft.
.FRI...NE winds 25 kt. Seas 5 ft.
.SAT...N winds 25 kt. Seas 12 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ808-190200-
Cape Espenberg to Motherwood Point out to 10 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS MORNING...

.TODAY...W winds 25 kt. Seas 5 ft subsiding.
.TONIGHT...W winds 20 kt. Seas 4 ft.
.WED...W winds 15 kt. Seas 3 ft.
.WED NIGHT...W winds 15 kt. Seas 3 ft.
.THU...W winds 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 2 ft.
.FRI...SE winds 15 kt. Seas 4 ft.
.SAT...NW winds 20 kt. Seas 4 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ810-190200-
Cape Krusenstern to Cape Thompson out to 15 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THIS MORNING...

.TODAY...NW winds 20 kt. Seas 5 ft subsiding.
.TONIGHT...N winds 20 kt. Seas 4 ft.
.WED...N winds 20 kt. Seas 4 ft.
.WED NIGHT...W winds 15 kt. Seas 3 ft.
.THU...SW winds 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 3 ft.
.FRI...SE winds 20 kt. Seas 4 ft.
.SAT...N winds 20 kt. Seas 6 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ816-190200-
South Side of Saint Lawrence Island out to 15 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THIS MORNING...

.TODAY...N winds 15 kt. Seas 5 ft.
.TONIGHT...N winds 15 kt. Seas 4 ft.
.WED...N winds 10 kt. Seas 3 ft.
.WED NIGHT...W winds 10 kt. Seas 2 ft.
.THU...S winds 10 kt. Seas 3 ft.
.THU NIGHT...S winds 10 kt. Seas 4 ft. Rain showers.
.FRI...N winds 25 kt. Seas 10 ft.
.SAT...N winds 20 kt. Seas 9 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ853-190200-
Kwemeluk Pass to Kwikpak Pass from 15 to 90 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS MORNING...

.TODAY...N winds 25 kt. Seas 7 ft.
.TONIGHT...N winds 20 kt. Seas 5 ft.
.WED...N winds 15 kt. Seas 4 ft.
.WED NIGHT...NW winds 10 kt. Seas 3 ft.
.THU...W winds 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 3 ft. Rain showers.
.FRI...SE winds 20 kt. Seas 9 ft.
.SAT...N winds 20 kt. Seas 10 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ854-190200-
Sledge Island to Wales greater than 15 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...N winds 25 kt. Seas 8 ft.
.TONIGHT...N winds 25 kt. Seas 5 ft.
.WED...N winds 20 kt. Seas 4 ft.
.WED NIGHT...NW winds 10 kt. Seas 3 ft.
.THU...SW winds 10 kt. Seas 3 ft.
.THU NIGHT...S winds 10 kt. Seas 3 ft.
.FRI...N winds 25 kt. Seas 8 ft.
.SAT...N winds 25 kt. Seas 12 ft.

$$
Coastal Waters Forecast for Northwest Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Aug 18 2026

Northwestern Alaska Coastal Waters out 100 NM

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

PKZ855-190200-
Kotzebue Sound greater than 10 NM-
346 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS MORNING...

.TODAY...W winds 25 kt. Seas 5 ft subsiding.
.TONIGHT...W winds 20 kt. Seas 4 ft.
.WED...W winds 15 kt. Seas 3 ft.
.WED NIGHT...W winds 15 kt. Seas 3 ft.
.THU...W winds 10 kt. Seas 2 ft.
.THU NIGHT...S winds 10 kt. Seas 2 ft.
.FRI...SE winds 15 kt. Seas 4 ft.
.SAT...N winds 20 kt. Seas 4 ft.

$$
Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
345 AM AKDT Tue Aug 18 2026

Arctic Alaska Coastal Waters out 100 NM

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

PKZ815-190200-
Flaxman Island to Demarcation Point out to 15 NM-
345 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS MORNING THROUGH THIS
AFTERNOON...

.TODAY...NW winds 25 kt. Seas 3 ft. Snow showers.
.TONIGHT...E winds 10 kt. Seas 2 ft.
.WED...E winds 10 kt. Seas 2 ft. Freezing rain and snow showers.
.WED NIGHT...E winds 10 kt. Seas 2 ft.
.THU...E winds 10 kt. Seas 2 ft.
.THU NIGHT...E winds 10 kt. Seas 2 ft.
.FRI...E winds 10 kt. Seas 2 ft.
.SAT...E winds 10 kt. Seas 2 ft.

$$
Coastal Waters Forecast
National Weather Service Anchorage Alaska
213 AM AKDT Tue Aug 18 2026

Coastal Waters Forecast for the Northern Gulf of Alaska Coast
up to 100 nm out including Kodiak Island and Cook Inlet.

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

PKZ740-182230-
Cook Inlet North of Kalgin Island-
213 AM AKDT Tue Aug 18 2026

...SMALL CRAFT ADVISORY TODAY...

.TODAY...S wind 25 kt. Seas 6 ft.
.TONIGHT...SW wind 20 kt. Seas 5 ft subsiding to 3 ft after
midnight.
.WED...S wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft. Rain.
.WED NIGHT...N wind 15 kt. Seas 4 ft.
.THU...N wind 15 kt. Seas 3 ft.
.FRI...S wind 20 kt. Seas 5 ft.
.SAT...NE wind 10 kt. Seas 3 ft.

$$

Flood Watch

Flood Watch
National Weather Service Anchorage AK
652 AM AKDT Tue Aug 18 2026

AKZ745-190000-
/O.CON.PAFC.FA.A.0008.000000T0000Z-260819T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Susitna Valley-
Including the cities of Skwentna
652 AM AKDT Tue Aug 18 2026

...FLOOD WATCH REMAINS IN EFFECT UNTIL 4 PM AKDT THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Including the following area, Western Susitna Valley. This
  includes the town of Skwentna.

* WHEN...Until 4 PM AKDT this afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Over the past 48 hours 1.0 to 2.5 inches of rain have fallen into
    the greater Susitna Valley drainage system. Rivers and streams
    have continued to rise in the western Susitna Valley.

    Excessive runoff will cause water levels to rise along rivers,
    small creeks, and streams. Rainfall could become impactful to
    erosion-prone areas and low-lying or poor- drainage areas across
    the western Susitna Valley.

  - Http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.

Persons living along streams should stay alert and be prepared to
take action if a warning or advisory is issued, or flooding is
observed.

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

Soils remain moist and excessive runoff may result in flooding of
rivers, creeks, streams, other low-lying areas and flood-prone
locations.

&&

$$

Hydrologic Outlook

Hydrologic Outlook
AKZ812-828-829-831-846-190000-

Hydrologic Outlook
National Weather Service Fairbanks AK
1201 PM AKDT Mon Aug 17 2026

...HYDROLOGIC OUTLOOK IN EFFECT THROUGH TUESDAY AFTERNOON FOR
HEADWATER STREAMS OF THE KOYUKUK AND MIDDLE YUKON RIVER BASINS...

...Locations Impacted...
Upper Koyukuk Valley-Central Interior-South Slopes Of The Central
Brooks Range-Lower Koyukuk Valley-Middle Yukon Valley

Areas of up to 2 inches of rainfall are expected from the ongoing
event which may cause significant rises in the smaller headwater
streams that feed the Koyukuk and Middle Yukon Rivers.  As mainstem
rivers are currently low, there are no concerns for the larger rivers
in the area.

Rainfall rates are expected to decrease by Tuesday afternoon.

$$

hb
U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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