Gale Warning 71, NWS Seattle, WA

883 
WHUS76 KSEW 161823
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
1023 AM PST Wed Dec 16 2020

PZZ133-170230-
/O.EXP.KSEW.SC.Y.0254.000000T0000Z-201216T1800Z/
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
/O.NEW.KSEW.SC.Y.0256.201217T1200Z-201217T2100Z/
Northern Inland Waters Including The San Juan Islands-
1023 AM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 1 PM PST
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt. For
  the Small Craft Advisory, south winds becoming west winds 20 to
  30 kt.

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

* WHEN...For the Gale Warning, until 10 PM PST this evening. For 
  the Small Craft Advisory, from 4 AM to 1 PM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...Wind waves between 3-5 feet may be
  generated and cause hazardous conditions along beaches. Coupled
  with astronomical high tides, minor impacts may be experienced
  in certain areas. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ150-153-156-170-173-176-170230-
/O.EXP.KSEW.SC.Y.0253.000000T0000Z-201216T1800Z/
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T1800Z/
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-
1023 AM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY...

* WHAT...Southwest winds 35 to 45 kt and seas 16 to 21 ft at 15 
  seconds.

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

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ132-170230-
/O.EXP.KSEW.SC.Y.0254.000000T0000Z-201216T1800Z/
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
East Entrance U.S. Waters Strait Of Juan De Fuca-
1023 AM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...Southeast winds 25 to 35 kt.

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

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

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ131-170230-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
Central U.S. Waters Strait Of Juan De Fuca-
1023 AM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...East winds 25 to 35 kt.

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

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

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ134-170230-
/O.CON.KSEW.SC.Y.0254.000000T0000Z-201218T0000Z/
Admiralty Inlet-
1023 AM PST Wed Dec 16 2020

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

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

* WHERE...Admiralty Inlet.

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ130-170230-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T0000Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
1023 AM PST Wed Dec 16 2020

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

* WHAT...Southwest winds 20 to 30 kt and seas 12 to 16 ft at 15 
  seconds.

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

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ135-170230-
/O.CON.KSEW.SC.Y.0253.000000T0000Z-201218T0000Z/
Puget Sound and Hood Canal-
1023 AM PST Wed Dec 16 2020

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

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ110-170230-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201217T1000Z/
Grays Harbor Bar-
1023 AM PST Wed Dec 16 2020

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

* WHAT...Combined seas 17 to 19 ft subsiding 12 to 14 ft this 
  evening. Bar conditions severe with breakers covering the bar 
  becoming rough this evening. Maximum ebb currents will occur 
  around 530 PM today and 620 AM Thursday. The afternoon ebb 
  will be very strong. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 2 AM PST Thursday.

* 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. 

&&

$$

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

892 
WHUS76 KSEW 162323
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
323 PM PST Wed Dec 16 2020

PZZ131-132-170730-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
/O.NEW.KSEW.SC.Y.0257.201217T0900Z-201217T1800Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
323 PM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 10 AM PST
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt. For 
  the Small Craft Advisory, southwest 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...For the Gale Warning, until 10 PM PST this evening. For 
  the Small Craft Advisory, from 1 AM to 10 AM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ133-170730-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
/O.CON.KSEW.SC.Y.0256.201217T1200Z-201217T2100Z/
Northern Inland Waters Including The San Juan Islands-
323 PM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 1 PM PST
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 20 to 30 kt. For 
  the Small Craft Advisory, west winds 20 to 30 kt.

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

* WHEN...For the Gale Warning, until 10 PM PST this evening. For 
  the Small Craft Advisory, from 4 AM to 1 PM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ150-153-156-170-173-176-170730-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T1800Z/
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-
323 PM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY...

* WHAT...West winds 30 to 40 kt and seas 17 to 22 ft at 14 
  seconds.

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

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ134-170730-
/O.CON.KSEW.SC.Y.0254.000000T0000Z-201218T0000Z/
Admiralty Inlet-
323 PM PST Wed Dec 16 2020

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

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

* WHERE...Admiralty Inlet.

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ130-170730-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T0000Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
323 PM PST Wed Dec 16 2020

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

* WHAT...West winds 20 to 30 kt and seas 12 to 15 ft at 14 
  seconds.

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

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ135-170730-
/O.CON.KSEW.SC.Y.0253.000000T0000Z-201218T0000Z/
Puget Sound and Hood Canal-
323 PM PST Wed Dec 16 2020

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

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ110-170730-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201217T1000Z/
Grays Harbor Bar-
323 PM PST Wed Dec 16 2020

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

* WHAT...Combined seas 17 to 19 ft subsiding 12 to 14 ft this 
  evening. Bar conditions severe with breakers covering the bar 
  becoming rough this evening. Maximum ebb currents will occur 
  around 530 PM today and 620 AM Thursday. The afternoon ebb 
  will be very strong. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 2 AM PST Thursday.

* 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. 

&&

$$

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

379 
WHUS76 KSEW 170432
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
832 PM PST Wed Dec 16 2020

PZZ150-153-156-170-173-176-171245-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T1800Z/
/O.EXB.KSEW.SC.Y.0257.201217T1800Z-201218T1200Z/
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-
832 PM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 4 AM PST
FRIDAY...

* WHAT...For the Gale Warning, west winds, shifting to the
  northwest Thursday morning, 30 to 40 kt and seas 16 to 21 ft at
  14 seconds. For the Small Craft Advisory, northwest winds 20 to
  30 kt and seas 12 to 17 ft at 12 seconds.

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

* WHEN...For the Gale Warning, until 10 AM PST Thursday. For the 
  Small Craft Advisory, from 10 AM Thursday to 4 AM PST Friday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ131-132-171245-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
/O.EXT.KSEW.SC.Y.0257.201217T0600Z-201218T0600Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
832 PM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt. For 
  the Small Craft Advisory, west winds 20 to 30 kt.

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

* WHEN...For the Gale Warning, until 10 PM PST this evening. For 
  the Small Craft Advisory, until 10 PM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ133-171245-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
/O.EXT.KSEW.SC.Y.0256.201217T0600Z-201218T0600Z/
Northern Inland Waters Including The San Juan Islands-
832 PM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt. For
  the Small Craft Advisory, southwest winds 20 to 30 kt becoming
  west Thursday afternoon.

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

* WHEN...For the Gale Warning, until 10 PM PST this evening. For 
  the Small Craft Advisory, until 10 PM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ130-171245-
/O.EXT.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
832 PM PST Wed Dec 16 2020

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

* WHAT...West winds 20 to 30 kt and seas 11 to 16 ft at 13 
  seconds.

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

* WHEN...Until 4 AM PST 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.

&&

$$

PZZ110-171245-
/O.EXT.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
Grays Harbor Bar-
832 PM PST Wed Dec 16 2020

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

* WHAT...Combined seas 13 to 16 ft through Thursday. Bar conditions rough
to severe with breakers possible. Maximum ebb currents will occur
around 620 AM and 630 PM Thursday. The evening ebb will be very 
strong.
 
* WHERE...Grays Harbor Bar.

* WHEN...Until 4 AM PST Friday.

* 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. 

&&

$$

PZZ134-171245-
/O.CON.KSEW.SC.Y.0254.000000T0000Z-201218T0000Z/
Admiralty Inlet-
832 PM PST Wed Dec 16 2020

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

* WHAT...Southwest winds 20 to 30 kt, becoming northwest Thursday
  afternoon.

* WHERE...Admiralty Inlet.

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ135-171245-
/O.CON.KSEW.SC.Y.0253.000000T0000Z-201218T0000Z/
Puget Sound and Hood Canal-
832 PM PST Wed Dec 16 2020

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

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 4 PM PST 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

542 
WHUS76 KSEW 170607
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
1007 PM PST Wed Dec 16 2020

PZZ131-132-171415-
/O.EXP.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
/O.UPG.KSEW.SC.Y.0257.000000T0000Z-201218T0600Z/
/O.NEW.KSEW.GL.W.0072.201217T0607Z-201217T1500Z/
/O.NEW.KSEW.SC.Y.0258.201217T1500Z-201218T0600Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
1007 PM PST Wed Dec 16 2020

...GALE WARNING IN EFFECT UNTIL 7 AM PST THURSDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 10 PM PST
THURSDAY...

* WHAT...For the Gale Warning, southwest winds 25 to 35 kt. For 
  the Small Craft Advisory, 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...For the Gale Warning, until 7 AM PST Thursday. For the 
  Small Craft Advisory, from 7 AM to 10 PM PST Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ133-171415-
/O.EXP.KSEW.GL.W.0071.000000T0000Z-201217T0600Z/
/O.CON.KSEW.SC.Y.0256.000000T0000Z-201218T0600Z/
Northern Inland Waters Including The San Juan Islands-
1007 PM PST Wed Dec 16 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST
THURSDAY...
...GALE WARNING HAS EXPIRED...

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

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

* WHEN...Until 10 PM PST 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.

&&

$$

PZZ150-153-156-170-173-176-171415-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T1800Z/
/O.CON.KSEW.SC.Y.0257.201217T1800Z-201218T1200Z/
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-
1007 PM PST Wed Dec 16 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO
4 AM PST FRIDAY...

* WHAT...For the Gale Warning, west winds 30 to 40 kt and seas 
  16 to 21 ft at 13 seconds. For the Small Craft Advisory, west 
  winds 20 to 30 kt and seas 12 to 17 ft at 12 seconds.

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

* WHEN...For the Gale Warning, until 10 AM PST Thursday. For the 
  Small Craft Advisory, from 10 AM Thursday to 4 AM PST Friday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ134-171415-
/O.CON.KSEW.SC.Y.0254.000000T0000Z-201218T0000Z/
Admiralty Inlet-
1007 PM PST Wed Dec 16 2020

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

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

* WHERE...Admiralty Inlet.

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ130-171415-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
1007 PM PST Wed Dec 16 2020

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

* WHAT...West winds 20 to 30 kt and seas 11 to 16 ft at 13 
  seconds.

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

* WHEN...Until 4 AM PST 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.

&&

$$

PZZ135-171415-
/O.CON.KSEW.SC.Y.0253.000000T0000Z-201218T0000Z/
Puget Sound and Hood Canal-
1007 PM PST Wed Dec 16 2020

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

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

* WHERE...Puget Sound and Hood Canal.

* WHEN...Until 4 PM PST 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.

&&

$$

PZZ110-171415-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
Grays Harbor Bar-
1007 PM PST Wed Dec 16 2020

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

* WHAT...Combined seas 13 to 16 ft through Thursday. Bar 
  conditions rough to severe with breakers possible. Maximum ebb 
  currents will occur around 620 AM and 630 PM Thursday. The 
  evening ebb will be very strong. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 4 AM PST Friday.

* 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. 

&&

$$

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

849 
WHUS76 KSEW 171033
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
233 AM PST Thu Dec 17 2020

PZZ150-153-156-170-173-176-171845-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T1800Z/
/O.CON.KSEW.SC.Y.0257.201217T1800Z-201218T1200Z/
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-
233 AM PST Thu Dec 17 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 4 AM PST FRIDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 35 kt and 
  seas 17 to 21 ft at 13 seconds. For the Small Craft Advisory, 
  west winds 15 to 25 kt and seas 13 to 18 ft at 12 seconds.

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

* WHEN...For the Gale Warning, until 10 AM PST this morning. For 
  the Small Craft Advisory, from 10 AM this morning to 4 AM PST 
  Friday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ131-132-171845-
/O.CON.KSEW.GL.W.0072.000000T0000Z-201217T1500Z/
/O.CON.KSEW.SC.Y.0258.201217T1500Z-201218T0600Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
233 AM PST Thu Dec 17 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 10 PM PST THIS EVENING...

* WHAT...For the Gale Warning, southwest winds 25 to 35 kt. For 
  the Small Craft Advisory, west winds 20 to 30 kt.

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

* WHEN...For the Gale Warning, until 7 AM PST this morning. For 
  the Small Craft Advisory, from 7 AM this morning to 10 PM PST 
  this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ134-171845-
/O.CON.KSEW.SC.Y.0254.000000T0000Z-201218T0000Z/
Admiralty Inlet-
233 AM PST Thu Dec 17 2020

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

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

* WHERE...Admiralty Inlet.

* 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.

&&

$$

PZZ130-171845-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
233 AM PST Thu Dec 17 2020

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

* WHAT...West winds 20 to 30 kt and seas 10 to 15 ft at 12 
  seconds.

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

* WHEN...Until 4 AM PST 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.

&&

$$

PZZ133-171845-
/O.CON.KSEW.SC.Y.0256.000000T0000Z-201218T0600Z/
Northern Inland Waters Including The San Juan Islands-
233 AM PST Thu Dec 17 2020

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

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

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

* 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.

&&

$$

PZZ135-171845-
/O.CON.KSEW.SC.Y.0253.000000T0000Z-201218T0000Z/
Puget Sound and Hood Canal-
233 AM PST Thu Dec 17 2020

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

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

* WHERE...Puget Sound and Hood Canal.

* 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.

&&

$$

PZZ110-171845-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
Grays Harbor Bar-
233 AM PST Thu Dec 17 2020

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

* WHAT...Combined seas 14 to 16 ft. Bar conditions severe with 
  breakers covering the bar. Maximum ebb currents will occur 
  around 620 AM and 630 PM today. The evening ebb will be very 
  strong. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 4 AM PST Friday.

* 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. 

&&

$$

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

432 
WHUS76 KSEW 171647
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
847 AM PST Thu Dec 17 2020

PZZ150-153-156-170-173-176-180100-
/O.CON.KSEW.GL.W.0071.000000T0000Z-201217T1800Z/
/O.CON.KSEW.SC.Y.0257.201217T1800Z-201218T1200Z/
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 AM PST Thu Dec 17 2020

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt and 
  seas 17 to 19 ft at 12 seconds. For the Small Craft Advisory, 
  west winds 15 to 25 kt and seas 13 to 18 ft at 12 seconds.

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

* WHEN...For the Gale Warning, until 10 AM PST this morning. For 
  the Small Craft Advisory, until 4 AM PST Friday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

PZZ134-180000-
/O.CON.KSEW.SC.Y.0254.000000T0000Z-201218T0000Z/
Admiralty Inlet-
847 AM PST Thu Dec 17 2020

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

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

* WHERE...Admiralty Inlet.

* 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.

&&

$$

PZZ130-180100-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
847 AM PST Thu Dec 17 2020

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

* WHAT...West winds 15 to 25 kt and seas 10 to 15 ft at 12 
  seconds.

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

* WHEN...Until 4 AM PST 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.

&&

$$

PZZ131-132-180100-
/O.CON.KSEW.SC.Y.0258.000000T0000Z-201218T0600Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
847 AM PST Thu Dec 17 2020

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

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

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

* 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.

&&

$$

PZZ133-180100-
/O.CON.KSEW.SC.Y.0256.000000T0000Z-201218T0600Z/
Northern Inland Waters Including The San Juan Islands-
847 AM PST Thu Dec 17 2020

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

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

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

* 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.

&&

$$

PZZ135-180000-
/O.CON.KSEW.SC.Y.0253.000000T0000Z-201218T0000Z/
Puget Sound and Hood Canal-
847 AM PST Thu Dec 17 2020

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

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

* WHERE...Puget Sound and Hood Canal.

* 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.

&&

$$

PZZ110-180100-
/O.CON.KSEW.SC.Y.0250.000000T0000Z-201218T1200Z/
Grays Harbor Bar-
847 AM PST Thu Dec 17 2020

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

* WHAT...Combined seas 14 to 16 ft. Bar conditions severe with 
  breakers covering the bar. Maximum ebb currents will occur 
  around 630 PM today and 700 AM Friday. The evening ebb will be 
  very strong. 

* WHERE...Grays Harbor Bar.

* WHEN...Until 4 AM PST Friday.

* 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. 

&&

$$

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

Area Forecast Discussion
National Weather Service Seattle WA
846 PM PST Tue Dec 15 2020

.UPDATE...Lingering showers continue across Western Washington at this
hour, yielding light rain in the lowlands and light snow in the
mountains. The latest upper level mesoanalysis indicates a subtle
shortwave ridge located off of the Pacific Northwest coast that
will slide over the area late tonight/Wednesday morning ahead of
the next approaching system tomorrow. The current forecast remains
on track and no changes are planned for this evening. See the
discussion below.

Pullin

&&

.PREV DISCUSSION... /issued 333 PM PST Tue Dec 15 2020/

SYNOPSIS...A front will exit Western Washington this afternoon
with showers lingering into the evening hours. The next system
quickly follows Wednesday and Wednesday night with another round of
rain, mountain snow, and breezy winds. The pattern will remain
active, with additional disturbances expected through early next
week.

SHORT TERM /TONIGHT THROUGH FRIDAY/...Current conditions show front
exiting the area at the time of this writing, making its way to the
Cascades. Wintery conditions persist there but current radar trends
suggest they should start to taper off into more scattered, showery
precip by late afternoon/early evening. This would follow the trend
established by the remainder of the CWA, as much of the area finds
itself under scattered showers in the wake of the front. The most
notable echo is a convergence zone that has developed mostly over
Skagit County although the southern third of it does dip down into
Snohomish.

These showers will hang around into the overnight period thanks to a
lingering shortwave trough. Upper level ridging tries to make a
brief appearance over the area, which may lead to a very tiny window
of dry conditions in the early morning hours, but the next cold
front is already on the coast by noon Wednesday and into the
interior in the late afternoon/early evening. This front will bring
with not only another round of lowland rain/mtn snow, but also
breezy to locally windy conditions. The highest wind speeds will be
in those locations that tend to favor such conditions, such as along
the coast, the San Juan Islands and the north interior /including
Whatcom and Skagit counties as well as the Admiralty Inlet area/.
Wind speeds may brush up against wind advisory thresholds but should
remain beneath them for these locations, as such no headlines are
needed at this time for the lowlands. The other concern with this
feature will be another round of snowfall for the Cascades. Current
model solutions are producing more QPF than those previous, however
there are a couple of things that complicate the forecast. The first
being that the current system, according to current obs, might be
falling a little short in the snowfall amounts thus suggesting that
models might be overdoing amounts a bit. Second is the rate of
snowfall, as models remain consistent that while this system was
front loaded with its amounts, the incoming Wed/Thu system is more
spread out with its accumulations, and as such harder to pin down a
time frame that might meet criteria. Will opt against headlines for
now, but if trend in QPF continues to increase, then future shifts
may need to consider a headline.

As alluded to, precip will linger behind this front on Thursday as
the upper level trough behind it keeps conditions unsettled. Precip
chances and wind speeds will ease gradually throughout the day.
Thursday night and early Friday morning sees another weak upper
level ridge trying to bring the slightest hint of drying to the area
but proves unsuccessful as yet another frontal system is on the
doorstep by late Friday morning. Breezy to locally winds will be
possible with this Friday front as well.

As one would expect for a period of prolonged precip and clouds,
high temps in the short term remain pretty static, with most lowland
locations seeing highs in the upper 40s.

Lastly, it is worth noting that the current High Surf Advisory will
remain in place into tonight before seas calm very late
tonight/early Wednesday morning. Swells exceeding 20 ft are expected
to continue to reach the coast, potentially leading to beach erosion
in some coastal locations before easing throughout the day
Wednesday.  18

LONG TERM /SATURDAY THROUGH TUESDAY/...Not to sound like a broken
record, but Saturday starts with yet another weak, ineffectual upper
level ridge over W WA with some showers lingering with the next
system expected to move into the area Saturday afternoon. Models
remain consistent on a potential atmospheric river set up bringing
plenty more moisture to an area that is already up to the gills in
it. While snow levels will be on the rise, making any winter weather
headlines for the mtns less and less of a concern, this will
heighten the risk for flooding on area rivers as well as the
potential for landslides on already saturated ground. Current
ensembles still display a vast array of solutions when it comes to
precip amounts though with operational models still trending above
the mean. Opted to keep forecast near that value, but that still
means anywhere from a quarter of an inch to a half an inch of
rainfall in the lowlands. Models coming into agreement for Sunday as
an upper level trough looks to push this atmospheric river south of
the area, allowing for for activity to scatter out and possibly even
a dry moment or two. This break, like all the others, does not
appear to last long as an upper level low over the Pacific pushes
the aforementioned AR back into the area for more rain Monday.
Models diverge on Tuesday with the GFS bringing the upper level low
onshore while the cheeky ECMWF wants to give the Pac NW a well
deserved break with a sizable ridge over the entire west coast.

Could see high temps Saturday and Sunday creep up to around 50 in
the lowlands, but overall, temps should not stray much from the
trend established in the near term.  18

AVIATION...Radar shows scattered showers across the region this
evening as a shortwave trough lingers over the area. Flow aloft is
westerly and will become more southwesterly Wednesday morning
ahead of the next system moving into the region. Expect shower
activity to continue into Wednesday, before more widespread
precipitation moves in along the coast by late morning and into
the Sound during the afternoon hours. Current conditions across
the region are a mixed bag of VFR and MVFR. Expect this trend to
continue with scattered shower activity overnight, however may see
some improvement back to more widespread VFR conditions for most
of the Sound terminals during the morning hours on Wednesday. This
will be short-lived, however, as a return to MVFR and localized
IFR conditions returns with the rain in the afternoon. KBLI, KPAE,
and KHQM will likely continue to see winds 10-15 knots with
occasional gusts 20-25 knots possible. Winds will gradually ease
overnight, however, will pick up again ahead of the approaching
system Wednesday afternoon.

KSEA...Southerly winds will be gradually ease to 7-10 knots
tonight, but will begin to increase again Wednesday afternoon as
another system approaches. This system will bring in another round
of rain and a reduction in cigs by the afternoon. 14

MARINE...A series of fronts will continue to make their way into
area waters through the rest of the week, yielding periods of hazardous
winds and seas.

Winds will increase across all waters once again tomorrow as
another strong system traverses area waters. Gales are likely
offshore and across the eastern Strait/Northern Inland
waters/Admiralty inlet by Wednesday afternoon. Expect winds to
remain elevated into Thursday before gradually tapering off
Thursday afternoon/evening. Hazardous seas will remain through
much of the remainder of the week, with westerly offshore swells
increasing to 20 to 25 feet once again Wednesday through early
Thursday before gradually decreasing. Choppy conditions are likely
across the portions inland waters at times, as wind waves of 3 to
6 feet will be possible.

A brief lull is expected on Thursday before the next round of
potent systems approach the area Friday into the weekend, bringing
another round of hazardous winds and seas.

Pullin

&&

HYDROLOGY...Several rounds of precipitation are expected to
cross the area this week, with rises expected on rivers across the
region. Widespread river flooding is not likely due to the fast-
moving nature of these systems, which should slow the rise of rivers
between each round. However, more responsive basins such as the
Skokomish River may reach minor flood stage by Thursday morning with
the next system approaching on Wednesday. There remains some chance
for a warmer and very wet system to set up across the region this
weekend, which would increase the potential for minor flooding on
other rivers and moderate flooding on the Skokomish. However,
confidence in where this heavier rain may set up remains lower, so
continue to monitor the forecast this week as the details become
more refined. Cullen/Borth

&&

.SEW WATCHES/WARNINGS/ADVISORIES...
WA...High Surf Advisory until 10 AM PST Wednesday for Central Coast-
     North Coast.

PZ...Gale Watch from Wednesday morning through Thursday morning for
     Admiralty Inlet-Coastal Waters From Cape Flattery To James
     Island 10 To 60 Nm-Coastal Waters From Cape Flattery To
     James Island Out 10 Nm-Coastal Waters From James Island To
     Point Grenville 10 To 60 Nm-Coastal Waters From James
     Island To Point Grenville Out 10 Nm-Coastal Waters From
     Point Grenville To Cape Shoalwater 10 To 60 Nm-Coastal
     Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
     East Entrance U.S. Waters Strait Of Juan De Fuca-Northern
     Inland Waters Including The San Juan Islands.

     Small Craft Advisory until 10 AM PST Wednesday for Coastal
     Waters From Cape Flattery To James Island 10 To 60 Nm-
     Coastal Waters From Cape Flattery To James Island Out 10 Nm-
     Coastal Waters From James Island To Point Grenville 10 To
     60 Nm-Coastal Waters From James Island To Point Grenville
     Out 10 Nm-Coastal Waters From Point Grenville To Cape
     Shoalwater 10 To 60 Nm-Coastal Waters From Point Grenville
     To Cape Shoalwater Out 10 Nm-Grays Harbor Bar.

     Small Craft Advisory from 7 AM to 10 AM PST Wednesday for
     Admiralty Inlet-East Entrance U.S. Waters Strait Of Juan De
     Fuca.

     Small Craft Advisory from 4 AM to 10 AM PST Wednesday for
     Northern Inland Waters Including The San Juan Islands.

     Small Craft Advisory until 4 PM PST Wednesday for West Entrance
     U.S. Waters Strait Of Juan De Fuca.

     Small Craft Advisory from 10 AM to 10 PM PST Wednesday for
     Central U.S. Waters Strait Of Juan De Fuca.

     Small Craft Advisory from 10 AM Wednesday to 10 AM PST Thursday
     for Puget Sound and Hood Canal.

&&

www.weather.gov/seattle