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Monday, Aug 10, 2026 02:28:24

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Small Craft Advisory 0109
Issued by the Seattle Forecast Office

Action Issued Starts Expiration
New 2026-08-04 05:15:37 2026-08-04 14:00:00 2026-08-05 04:00:00
New 2026-08-04 05:15:37 2026-08-04 14:00:00 2026-08-05 04:00:00
Continued 2026-08-04 13:25:16 2026-08-04 14:00:00 2026-08-05 04:00:00
Continued 2026-08-04 16:25:37 2026-08-05 04:00:00
Continued 2026-08-05 00:19:36 2026-08-05 04:00:00
Continued 2026-08-05 09:39:17 2026-08-06 04:00:00
Cancelled 2026-08-05 16:13:26 2026-08-06 04:00:00
Time Extended 2026-08-05 16:13:26 2026-08-06 07:00:00
Continued 2026-08-05 21:57:10 2026-08-06 07:00:00
Cancelled 2026-08-06 03:34:03 2026-08-06 07:00:00


Action: New
Issued At: 2026-08-04 05:15:37

324 
WHUS76 KSEW 041015
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
315 AM PDT Tue Aug 4 2026

PZZ156-176-041815-
/O.EXP.KSEW.SC.Y.0108.000000T0000Z-260804T1000Z/
/O.NEW.KSEW.SC.Y.0109.260804T1900Z-260805T0900Z/
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
315 AM PDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 2 AM PDT
WEDNESDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds. 

* WHERE...Coastal Waters From Point Grenville To Cape Shoalwater 
  Out 10 Nm and Coastal Waters From Point Grenville To Cape 
  Shoalwater 10 To 60 Nm.

* WHEN...From noon today to 2 AM PDT Wednesday.

* 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.

&&

$$

PZZ150-153-170-173-041815-
/O.NEW.KSEW.SC.Y.0109.260804T1900Z-260805T0900Z/
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 Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
315 AM PDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 2 AM PDT
WEDNESDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds. 

* WHERE...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 Cape Flattery To James Island 10 To 
  60 Nm and Coastal Waters From James Island To Point Grenville 
  10 To 60 Nm.

* WHEN...From noon today to 2 AM PDT Wednesday.

* 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: New
Issued At: 2026-08-04 05:15:37

324 
WHUS76 KSEW 041015
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
315 AM PDT Tue Aug 4 2026

PZZ156-176-041815-
/O.EXP.KSEW.SC.Y.0108.000000T0000Z-260804T1000Z/
/O.NEW.KSEW.SC.Y.0109.260804T1900Z-260805T0900Z/
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
315 AM PDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 2 AM PDT
WEDNESDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds. 

* WHERE...Coastal Waters From Point Grenville To Cape Shoalwater 
  Out 10 Nm and Coastal Waters From Point Grenville To Cape 
  Shoalwater 10 To 60 Nm.

* WHEN...From noon today to 2 AM PDT Wednesday.

* 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.

&&

$$

PZZ150-153-170-173-041815-
/O.NEW.KSEW.SC.Y.0109.260804T1900Z-260805T0900Z/
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 Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
315 AM PDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 2 AM PDT
WEDNESDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds. 

* WHERE...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 Cape Flattery To James Island 10 To 
  60 Nm and Coastal Waters From James Island To Point Grenville 
  10 To 60 Nm.

* WHEN...From noon today to 2 AM PDT Wednesday.

* 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: 2026-08-04 13:25:16

575 
WHUS76 KSEW 041603
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
903 AM PDT Tue Aug 4 2026

PZZ150-153-156-170-173-176-050015-
/O.CON.KSEW.SC.Y.0109.260804T1900Z-260805T0900Z/
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-
903 AM PDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 2 AM
PDT WEDNESDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds. 

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

* WHEN...From noon today to 2 AM PDT Wednesday.

* 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: 2026-08-04 16:25:37

109 
WHUS76 KSEW 042124
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
224 PM PDT Tue Aug 4 2026

PZZ150-153-156-170-173-176-050530-
/O.CON.KSEW.SC.Y.0109.000000T0000Z-260805T0900Z/
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-
224 PM PDT Tue Aug 4 2026

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

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds.

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

* WHEN...Until 2 AM PDT Wednesday.

* 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: 2026-08-05 00:19:36

631 
WHUS76 KSEW 050519
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
1019 PM PDT Tue Aug 4 2026

PZZ150-153-156-170-173-176-050900-
/O.CON.KSEW.SC.Y.0109.000000T0000Z-260805T0900Z/
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-
1019 PM PDT Tue Aug 4 2026

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

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds.

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

* WHEN...Until 2 AM PDT Wednesday.

* 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: 2026-08-05 09:39:17

904 
WHUS76 KSEW 051439
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
739 AM PDT Wed Aug 5 2026

PZZ150-153-156-170-173-176-052245-
/O.CON.KSEW.SC.Y.0109.000000T0000Z-260806T0900Z/
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-
739 AM PDT Wed Aug 5 2026

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

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds.

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

* WHEN...Until 2 AM PDT Thursday.

* 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: Cancelled
Issued At: 2026-08-05 16:13:26

841 
WHUS76 KSEW 052112
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
212 PM PDT Wed Aug 5 2026

PZZ150-153-156-052215-
/O.CAN.KSEW.SC.Y.0109.000000T0000Z-260806T0900Z/
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-
212 PM PDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Seas are below small craft thresholds.

$$

PZZ170-173-176-060515-
/O.EXT.KSEW.SC.Y.0109.000000T0000Z-260806T1200Z/
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-
212 PM PDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PDT THURSDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds.

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

* WHEN...Until 5 AM PDT Thursday.

* 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: Time Extended
Issued At: 2026-08-05 16:13:26

841 
WHUS76 KSEW 052112
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
212 PM PDT Wed Aug 5 2026

PZZ150-153-156-052215-
/O.CAN.KSEW.SC.Y.0109.000000T0000Z-260806T0900Z/
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-
212 PM PDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Seas are below small craft thresholds.

$$

PZZ170-173-176-060515-
/O.EXT.KSEW.SC.Y.0109.000000T0000Z-260806T1200Z/
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-
212 PM PDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PDT THURSDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds.

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

* WHEN...Until 5 AM PDT Thursday.

* 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: 2026-08-05 21:57:10

596 
WHUS76 KSEW 060256
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
756 PM PDT Wed Aug 5 2026

PZZ170-173-176-061100-
/O.CON.KSEW.SC.Y.0109.000000T0000Z-260806T1200Z/
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-
756 PM PDT Wed Aug 5 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT
THURSDAY...

* WHAT...Seas 6 to 8 feet at 6 to 7 seconds.

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

* WHEN...Until 5 AM PDT Thursday.

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

* ADDITIONAL DETAILS...Seas will be largest beyond about 30 NM
  from shore.

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: Cancelled
Issued At: 2026-08-06 03:34:03

842 
WHUS76 KSEW 060833
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
133 AM PDT Thu Aug 6 2026

PZZ170-173-176-060945-
/O.CAN.KSEW.SC.Y.0109.000000T0000Z-260806T1200Z/
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-
133 AM PDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

The threat has ended.

$$

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



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