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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
847 PM PST Wed Jan 21 2026

PZZ571-221300-
/O.CON.KMTR.SC.Y.0007.260123T1100Z-260124T0500Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
847 PM PST Wed Jan 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PST
FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  6 to 11 ft expected.

* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.

* WHEN...From 3 AM to 9 PM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sanfrancisco


Air Stagnation Advisory


URGENT - WEATHER MESSAGE
National Weather Service Boise ID
123 PM MST Wed Jan 21 2026

IDZ011>014-016-028-033-ORZ061>064-221400-
/O.CON.KBOI.AS.Y.0001.000000T0000Z-260123T1200Z/
West Central Mountains-Lower Treasure Valley-Boise Mountains-
Upper Treasure Valley-Western Magic Valley-Camas Prairie-Upper
Weiser River-Harney County-Baker County-Malheur County-Oregon
Lower Treasure Valley-
Including the cities of Cambridge, Burns, New Princeton, Council,
Baker, Anderson Dam, Goodrich, Buchanan, Crane, Diamond,
Glendale, Prairie, Mesa, Ola, Malheur City, Caldwell, Big Creek,
Fairfield, Fruitvale, Boise, Ontario, Cascade, Indian Valley,
Twin Falls, Blaine, Dunnean, Bear, Warm Lake, Hill City, Cuprum,
Nyssa, Corral, Soldier, McCall, Venator, Nampa, Selby, and Pine
123 PM MST Wed Jan 21 2026 /1223 PM PST Wed Jan 21 2026/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ FRIDAY...

* WHAT...An extended period of stagnant air, with light winds and
  little vertical mixing. This is due to an inversion near the
  surface that will continue to trap pollutants.

* WHERE...Portions of south central and southwest Idaho and
  northeast and southeast Oregon.

* WHEN...Until 5 AM MST /4 AM PST/ Friday.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

LC

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1154 AM PST Wed Jan 21 2026

ORZ029>031-221200-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-260124T0000Z/
Klamath Basin-Northern and Eastern Klamath County and Western
Lake County-Central and Eastern Lake County-
Including the following locations...Adel, Bly, Chemult,
Gilchrist, Klamath Falls, Valley Falls, Beatty, Olene, Paisley,
Fort Rock, Sprague River, Altamont, New Pine Creek, Crescent,
Midland, and Lakeview
1154 AM PST Wed Jan 21 2026

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY
WITHIN THE VALLEYS IN KLAMATH AND LAKE COUNTY...

* WHAT...Poor air quality will continue. This is due to an inversion
  and stagnant air conditions near the surface that will continue to
  trap pollutants Within the valleys in Klamath and Lake County.

* WHERE...The valleys of Klamath and Lake counties.

* WHEN...Until 4 PM PST Friday.

* IMPACTS...Poor air quality may cause issues for people with
  respiratory problems.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

BR-y

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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