Alert archive / California / Small Craft Advisories in 2018

Small Craft Advisory 52, NWS Eureka, CA

May 20, 2018

NWS Eureka, CA issued this small craft advisory at May 20, 2018, 2:23 PM PDT. It took effect at May 20, 2018, 9:00 PM PDT. It was in force for 41 hr.

The area

The counties it named.

The facts

Issued
May 20, 2018, 2:23 PM PDT (21:23 UTC)
In effect from
May 20, 2018, 9:00 PM PDT
Expired
May 22, 2018, 2:20 PM PDT
In force
41 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

286 
WHUS76 KEKA 202123
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
223 PM PDT Sun May 20 2018

PZZ450-210530-
/O.CAN.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
/O.NEW.KEKA.SC.Y.0052.180521T0400Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
223 PM PDT Sun May 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 5 PM
PDT TUESDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 9 PM this evening to 5 PM PDT
Tuesday. 

* WINDS...North 15 to 20 kt through Monday. The strongest winds
  will be near Point Saint George with gusts near 30 kt possible
  on Monday. Winds will otherwise remain lighter around Humboldt 
  Bay with some possible south-southwest winds along the immediate
  coast.

* SEAS...Steep seas will build to 7 to 10 ft by Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ455-470-475-210530-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
223 PM PDT Sun May 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...North 15 to 20 kt this evening...increasing to 20 to 25
  kt on Monday with near gale force gusts possible. 

* SEAS...Steep seas will build to 7 to 10 ft by Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
8 follow-up statements
781 
WHUS76 KEKA 210348
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
848 PM PDT Sun May 20 2018

PZZ450-211200-
/O.CON.KEKA.SC.Y.0052.180521T0400Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
848 PM PDT Sun May 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...North 15 to 20 kt through Monday. The strongest winds 
  will be near Point Saint George with gusts near 30 kt possible 
  on Monday. Winds will otherwise remain lighter around Humboldt 
  Bay with some possible south-southwest winds along the 
  immediate coast. 

* SEAS...Steep seas will build to 7 to 10 ft by Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ455-470-475-211200-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
848 PM PDT Sun May 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...North 15 to 20 kt this evening...increasing to 20 to 
  25 kt on Monday with near gale force gusts possible. 

* SEAS...Steep seas will build to 7 to 10 ft by Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
629 
WHUS76 KEKA 210950
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
250 AM PDT Mon May 21 2018

PZZ450-211800-
/O.CON.KEKA.SC.Y.0052.000000T0000Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
250 AM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...N 20 to 30 KT through this evening. 

* SEAS...7 to 9 ft with short periods today and tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-470-475-211800-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
250 AM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...N 20 to 30 kt through this evening. 

* SEAS...7 to 9 ft with short periods today and tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
238 
WHUS76 KEKA 211532
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
832 AM PDT Mon May 21 2018

PZZ450-212345-
/O.CON.KEKA.SC.Y.0052.000000T0000Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
832 AM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...North 15 to 20 kt today. The strongest winds will be
  near Point Saint George with gusts near 30 kt possible this
  afternoon. Winds will otherwise remain lighter around Humboldt 
  Bay with some possible south-southwest winds along the immediate
  coast. 

* SEAS...Steep seas approaching 7 to 10 ft today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-470-475-212345-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
832 AM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...Increasing to 20 to 25 kt today with near gale force 
  gusts possible. 


* SEAS...Steep seas approaching 7 to 10 ft today.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
835 
WHUS76 KEKA 212108
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
208 PM PDT Mon May 21 2018

PZZ450-220515-
/O.CON.KEKA.SC.Y.0052.000000T0000Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
208 PM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...North 15 to 20 kt. The strongest winds will be near
  Point Saint George with gusts near 30 kt possible this. Winds 
  will otherwise remain lighter around Humboldt Bay with some 
  possible south-southwest winds along the immediate coast. 

* SEAS...Steep seas approaching 7 to 9 ft today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-470-475-220515-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
208 PM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...N 20 to 25 kt with near gale force gusts possible.
  

* SEAS...Steep seas approaching 7 to 10 ft today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
298 
WHUS76 KEKA 220359
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
859 PM PDT Mon May 21 2018

PZZ450-221200-
/O.CON.KEKA.SC.Y.0052.000000T0000Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
859 PM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...North 15 to 20 kt...except locally south near the coast. 

* SEAS...Steep seas 6 to 7 ft this evening diminishing tonight and 
  Tuesday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-470-475-221200-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
859 PM PDT Mon May 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...

* WINDS...N 20 to 25 kt through Tuesday.

* SEAS...Steep seas 7 to 10 ft this evening diminishing tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
431 
WHUS76 KEKA 220917
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
217 AM PDT Tue May 22 2018

PZZ470-475-221730-
/O.EXT.KEKA.SC.Y.0051.000000T0000Z-180523T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
217 AM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

* WINDS...N 20 to 25 kt through this evening.

* SEAS...Steep seas 7 to 9 ft continuing through tonight. Seas
  will subside after that.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ450-221730-
/O.CON.KEKA.SC.Y.0052.000000T0000Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
217 AM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

* WINDS...North 15 to 20 kt...except locally south near the 
  coast.

* SEAS...Steep seas 6 to 7 ft through this afternoon. Seas will
  subside after that.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-221730-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
217 AM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

* WINDS...N 20 to 25 kt through this afternoon.

* SEAS...Steep seas 6 to 7 ft through this afternoon. Seas will
  subside after that.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
270 
WHUS76 KEKA 221604
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
904 AM PDT Tue May 22 2018

PZZ450-230000-
/O.CON.KEKA.SC.Y.0052.000000T0000Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
904 AM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

* WINDS...NW 5 to 10 kt. Gusts near 15 kt possible near Cape
  Mendocino through the afternoon. Light southerly winds possible
  along the immediate coast. 

* SEAS...Steep seas around 5 to 7 ft will diminish through the
  afternoon. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-475-230015-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
904 AM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...N 10 to 20 kt.

* WAVES/SEAS...Steep NW waves around 7 to 9 ft AT 7 seconds and S
  swell 4 ft at 15 seconds.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-230000-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
904 AM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

* WINDS...N 10 to 20 kt through this afternoon.

* WAVES/SEAS...Steep NW waves around 6 to 7 ft at 7 seconds and a
  SW swell at 4 ft at 15 seconds.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
647 
WHUS76 KEKA 222120
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
220 PM PDT Tue May 22 2018

PZZ450-222230-
/O.CAN.KEKA.SC.Y.0052.000000T0000Z-180523T0000Z/
Pt St George to Cape Mendocino out 10 nm-
220 PM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY IS CANCELLED...

The National Weather Service in Eureka has cancelled the Small
Craft Advisory. 

$$

PZZ455-222230-
/O.CAN.KEKA.SC.Y.0051.000000T0000Z-180523T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
220 PM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY IS CANCELLED...

The National Weather Service in Eureka has cancelled the Small
Craft Advisory. 


$$

PZZ470-475-230530-
/O.CON.KEKA.SC.Y.0051.000000T0000Z-180523T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
220 PM PDT Tue May 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...N 10 to 20 kt.

* WAVES/SEAS...Steep NW waves around 6 to 8 ft AT 7 seconds and 
  S swell 4 ft at 15 seconds. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Nearby

Small Craft Advisories in California, 2018Every small craft advisory in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.