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Small Craft Advisory 0122
Issued by the Seattle Forecast Office

Action Issued Starts Expiration
New 2025-09-10 22:44:12 2025-09-11 20:00:00 2025-09-12 04:00:00
Continued 2025-09-11 04:42:35 2025-09-11 20:00:00 2025-09-12 04:00:00
Continued 2025-09-11 10:31:45 2025-09-11 20:00:00 2025-09-12 04:00:00
Continued 2025-09-11 10:31:45 2025-09-11 20:00:00 2025-09-12 04:00:00
Continued 2025-09-11 13:52:50 2025-09-11 20:00:00 2025-09-12 04:00:00
Continued 2025-09-11 16:48:53 2025-09-11 20:00:00 2025-09-12 04:00:00
Continued 2025-09-11 23:02:06 2025-09-12 04:00:00


Action: New
Issued At: 2025-09-10 22:44:12

460 
WHUS76 KSEW 110343
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
843 PM PDT Wed Sep 10 2025

PZZ131-132-111145-
/O.NEW.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
843 PM PDT Wed Sep 10 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THURSDAY TO 2 AM PDT
FRIDAY...

* WHAT...West winds 15 to 25 kt.

* WHERE...Central U. S. Waters Strait Of Juan De Fuca and East 
  Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...From 6 PM Thursday to 2 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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


Action: Continued
Issued At: 2025-09-11 04:42:35

058 
WHUS76 KSEW 110942
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
242 AM PDT Thu Sep 11 2025

PZZ131-132-111745-
/O.CON.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
242 AM PDT Thu Sep 11 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 2 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 kt.

* WHERE...Central U. S. Waters Strait Of Juan De Fuca and East 
  Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...From 6 PM this evening to 2 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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


Action: Continued
Issued At: 2025-09-11 10:31:45

755 
WHUS76 KSEW 111531
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
831 AM PDT Thu Sep 11 2025

PZZ132-112345-
/O.NEW.KSEW.MF.Y.0010.250911T1531Z-250911T1800Z/
/O.CON.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
East Entrance U.S. Waters Strait Of Juan De Fuca-
831 AM PDT Thu Sep 11 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 2 AM PDT FRIDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to 1/4 NM or less. For the Small Craft Advisory, 
  west winds 20 to 30 kt.

* WHERE...East Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...For the Dense Fog Advisory, until 11 AM PDT this 
  morning. For the Small Craft Advisory, from 6 PM this evening 
  to 2 AM PDT Friday.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

PZZ133>135-111800-
/O.NEW.KSEW.MF.Y.0010.250911T1531Z-250911T1800Z/
Northern Inland Waters Including The San Juan Islands-
Admiralty Inlet-Puget Sound and Hood Canal-
831 AM PDT Thu Sep 11 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...

* WHAT...Dense fog will reduce visibility to 1/4 NM or less.

* WHERE...Northern Inland Waters Including The San Juan Islands, 
  Admiralty Inlet and Puget Sound and Hood Canal.

* WHEN...Until 11 AM PDT this morning.

* IMPACTS...Low visibility will make navigation difficult.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

PZZ131-112345-
/O.CON.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
Central U.S. Waters Strait Of Juan De Fuca-
831 AM PDT Thu Sep 11 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 2 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 kt.

* WHERE...Central U. S. Waters Strait Of Juan De Fuca.

* WHEN...From 6 PM this evening to 2 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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


Action: Continued
Issued At: 2025-09-11 10:31:45

755 
WHUS76 KSEW 111531
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
831 AM PDT Thu Sep 11 2025

PZZ132-112345-
/O.NEW.KSEW.MF.Y.0010.250911T1531Z-250911T1800Z/
/O.CON.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
East Entrance U.S. Waters Strait Of Juan De Fuca-
831 AM PDT Thu Sep 11 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 2 AM PDT FRIDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to 1/4 NM or less. For the Small Craft Advisory, 
  west winds 20 to 30 kt.

* WHERE...East Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...For the Dense Fog Advisory, until 11 AM PDT this 
  morning. For the Small Craft Advisory, from 6 PM this evening 
  to 2 AM PDT Friday.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

PZZ133>135-111800-
/O.NEW.KSEW.MF.Y.0010.250911T1531Z-250911T1800Z/
Northern Inland Waters Including The San Juan Islands-
Admiralty Inlet-Puget Sound and Hood Canal-
831 AM PDT Thu Sep 11 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...

* WHAT...Dense fog will reduce visibility to 1/4 NM or less.

* WHERE...Northern Inland Waters Including The San Juan Islands, 
  Admiralty Inlet and Puget Sound and Hood Canal.

* WHEN...Until 11 AM PDT this morning.

* IMPACTS...Low visibility will make navigation difficult.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

PZZ131-112345-
/O.CON.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
Central U.S. Waters Strait Of Juan De Fuca-
831 AM PDT Thu Sep 11 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 2 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 kt.

* WHERE...Central U. S. Waters Strait Of Juan De Fuca.

* WHEN...From 6 PM this evening to 2 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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


Action: Continued
Issued At: 2025-09-11 13:52:50

713 
WHUS76 KSEW 111852
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
1152 AM PDT Thu Sep 11 2025

PZZ131-132-120300-
/O.CON.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
1152 AM PDT Thu Sep 11 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 2 AM PDT FRIDAY...

* WHAT...West winds 20 to 30 kt.

* WHERE...Central U. S. Waters Strait Of Juan De Fuca and East 
  Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...From 6 PM this evening to 2 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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


Action: Continued
Issued At: 2025-09-11 16:48:53

439 
WHUS76 KSEW 112148
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
248 PM PDT Thu Sep 11 2025

PZZ131-132-120600-
/O.CON.KSEW.SC.Y.0122.250912T0100Z-250912T0900Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
248 PM PDT Thu Sep 11 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 2 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 kt.

* WHERE...Central U. S. Waters Strait Of Juan De Fuca and East 
  Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...From 6 PM this evening to 2 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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


Action: Continued
Issued At: 2025-09-11 23:02:06

596 
WHUS76 KSEW 120401
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
901 PM PDT Thu Sep 11 2025

PZZ131-132-120900-
/O.CON.KSEW.SC.Y.0122.000000T0000Z-250912T0900Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
901 PM PDT Thu Sep 11 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 kt.

* WHERE...Central U. S. Waters Strait Of Juan De Fuca and East 
  Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...From 9 PM this evening to 2 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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



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