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Small Craft Advisory 0171
Issued by the Seattle Forecast Office

Action Issued Starts Expiration
New 2025-12-19 16:31:27 2025-12-19 16:31:00 2025-12-20 12:00:00
Continued 2025-12-19 22:48:36 2025-12-20 12:00:00
Continued 2025-12-20 04:32:35 2025-12-20 12:00:00
Expired 2025-12-20 11:50:49 2025-12-20 12:00:00


Action: New
Issued At: 2025-12-19 16:31:27

338 
WHUS76 KSEW 192231
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
231 PM PST Fri Dec 19 2025

PZZ130-131-200645-
/O.NEW.KSEW.SC.Y.0171.251219T2231Z-251220T1800Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
Central U.S. Waters Strait Of Juan De Fuca-
231 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY...

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

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

* WHEN...Until 10 AM PST Saturday.

* 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.

&&

$$

PZZ150-153-156-170-173-176-200645-
/O.EXT.KSEW.SC.Y.0170.000000T0000Z-251221T0000Z/
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
231 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM PST SATURDAY...

* WHAT...Southwest winds 20 to 30 kt and seas 10 to 13 ft.

* WHERE...Coastal Waters from Cape Flattery to Cape Shoalwater 
  out to 60 nm.

* WHEN...Until 4 PM PST Saturday.

* 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.

&&

$$

PZZ135-200645-
/O.EXT.KSEW.SC.Y.0169.000000T0000Z-251221T0000Z/
Puget Sound and Hood Canal-
231 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM PST SATURDAY...

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 4 PM PST Saturday.

* 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.

&&

$$

PZZ110-200645-
/O.EXT.KSEW.SC.Y.0168.000000T0000Z-251220T1200Z/
Grays Harbor Bar-
231 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM PST SATURDAY...

* WHAT...Bar conditions rough. Combined seas 9 to 11 ft. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 4 AM PST Saturday.

* IMPACTS...Conditions will be hazardous to small craft 
  especially when navigating in or near harbor entrances.

* ADDITIONAL DETAILS...Maximum ebb current will occur around 400
  PM Friday. The ebb will be strong. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory for rough bar means that wave conditions
are expected to be hazardous to small craft in or near harbor
entrances. 

&&

$$

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


Action: Continued
Issued At: 2025-12-19 22:48:36

647 
WHUS76 KSEW 200447
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
847 PM PST Fri Dec 19 2025

PZZ150-153-156-170-173-176-201300-
/O.CON.KSEW.SC.Y.0170.000000T0000Z-251221T0000Z/
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
847 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
SATURDAY...

* WHAT...Southwest winds 20 to 30 kt and seas 10 to 12 ft.

* WHERE...Coastal Waters from Cape Flattery to Cape Shoalwater 
  out to 60 nm.

* WHEN...Until 4 PM PST Saturday.

* 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.

&&

$$

PZZ135-201300-
/O.CON.KSEW.SC.Y.0169.000000T0000Z-251221T0000Z/
Puget Sound and Hood Canal-
847 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
SATURDAY...

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 4 PM PST Saturday.

* 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.

&&

$$

PZZ130-131-201300-
/O.CON.KSEW.SC.Y.0171.000000T0000Z-251220T1800Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
Central U.S. Waters Strait Of Juan De Fuca-
847 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts to 30 kt.

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

* WHEN...Until 10 AM PST Saturday.

* 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.

&&

$$

PZZ110-201200-
/O.CON.KSEW.SC.Y.0168.000000T0000Z-251220T1200Z/
Grays Harbor Bar-
847 PM PST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
SATURDAY...

* WHAT...Combined seas 9 to 11 ft. Bar conditions rough. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 4 AM PST Saturday.

* IMPACTS...Conditions will be hazardous to small craft 
  especially when navigating in or near harbor entrances.

* ADDITIONAL DETAILS...Maximum ebb currents will occur around 430
  AM and 430 PM Saturday. The Saturday afternoon ebb will be 
  strong.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory for rough bar means that wave conditions
are expected to be hazardous to small craft in or near harbor
entrances. 

&&

$$

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


Action: Continued
Issued At: 2025-12-20 04:32:35

231 
WHUS76 KSEW 201032
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
232 AM PST Sat Dec 20 2025

PZZ134-201845-
/O.EXB.KSEW.SC.Y.0169.251220T1500Z-251221T1200Z/
Admiralty Inlet-
232 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 AM
PST SUNDAY...

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

* WHERE...Admiralty Inlet.

* WHEN...From 7 AM this morning to 4 AM PST Sunday.

* 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.

&&

$$

PZZ133-201845-
/O.EXB.KSEW.SC.Y.0169.251220T1500Z-251221T1200Z/
Northern Inland Waters Including The San Juan Islands-
232 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 AM
PST SUNDAY...

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

* WHERE...Northern Inland Waters Including The San Juan Islands.

* WHEN...From 7 AM this morning to 4 AM PST Sunday.

* 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.

&&

$$

PZZ135-201845-
/O.EXT.KSEW.SC.Y.0169.000000T0000Z-251221T0600Z/
Puget Sound and Hood Canal-
232 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS
EVENING...

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$

PZZ150-153-156-170-173-176-201845-
/O.CON.KSEW.SC.Y.0170.000000T0000Z-251221T0000Z/
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
232 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...Southwest winds 20 to 30 kt and seas 10 to 11 ft.

* WHERE...Coastal Waters from Cape Flattery to Cape Shoalwater 
  out to 60 nm.

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

* 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.

&&

$$

PZZ130-131-201800-
/O.CON.KSEW.SC.Y.0171.000000T0000Z-251220T1800Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
Central U.S. Waters Strait Of Juan De Fuca-
232 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

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

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

* WHEN...Until 10 AM PST this morning.

* 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.

&&

$$

PZZ110-201200-
/O.CON.KSEW.SC.Y.0168.000000T0000Z-251220T1200Z/
Grays Harbor Bar-
232 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...Combined seas 10 to 12 ft decreasing 8 to 10 ft this
  afternoon. Bar conditions rough, becoming moderate. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 4 AM PST early this morning.

* IMPACTS...Conditions will be hazardous to small craft 
  especially when navigating in or near harbor entrances.

* ADDITIONAL DETAILS...Maximum ebb currents will occur around 430
  AM Saturday, 430 PM Saturday, and 515 AM Sunday. The afternoon
  ebb Saturday will be strong.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory for rough bar means that wave conditions
are expected to be hazardous to small craft in or near harbor
entrances. 

&&

$$

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


Action: Expired
Issued At: 2025-12-20 11:50:49

980 
WHUS76 KSEW 201750
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
950 AM PST Sat Dec 20 2025

PZZ130-131-201900-
/O.EXP.KSEW.SC.Y.0171.000000T0000Z-251220T1800Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
Central U.S. Waters Strait Of Juan De Fuca-
950 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

Winds have eased. 

$$

PZZ110-210000-
/O.EXA.KSEW.SC.Y.0170.000000T0000Z-251221T0000Z/
Grays Harbor Bar-
950 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

* WHAT...Combined seas 10 to 12 ft, decreasing 8 to 10 ft this
  afternoon. Bar conditions rough, becoming moderate. Maximum ebb
  currents will occur around 430 PM Saturday, and 515 AM Sunday. 
  The afternoon ebb Saturday will be strong. 

* WHERE...Grays Harbor Bar.

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

* IMPACTS...Conditions will be hazardous to small craft especially
  when navigating in or near harbor entrances.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory for rough bar means that wave conditions
are expected to be hazardous to small craft in or near harbor
entrances. 

&&

$$

PZZ150-153-156-170-173-176-210000-
/O.CON.KSEW.SC.Y.0170.000000T0000Z-251221T0000Z/
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
950 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...Southwest winds 15 to 25 kt and seas 9 to 11 ft.

* WHERE...Coastal Waters from Cape Flattery to Cape Shoalwater 
  out to 60 nm.

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

* 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.

&&

$$

PZZ135-210200-
/O.CON.KSEW.SC.Y.0169.000000T0000Z-251221T0600Z/
Puget Sound and Hood Canal-
950 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$

PZZ134-210200-
/O.CON.KSEW.SC.Y.0169.000000T0000Z-251221T1200Z/
Admiralty Inlet-
950 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY...

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

* WHERE...Admiralty Inlet.

* WHEN...Until 4 AM PST Sunday.

* 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.

&&

$$

PZZ133-210200-
/O.CON.KSEW.SC.Y.0169.000000T0000Z-251221T1200Z/
Northern Inland Waters Including The San Juan Islands-
950 AM PST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY...

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

* WHERE...Northern Inland Waters Including The San Juan Islands.

* WHEN...Until 4 AM PST Sunday.

* 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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