669 

WHHW70 PHFO 181310

MWWHFO



URGENT - MARINE WEATHER MESSAGE

National Weather Service Honolulu HI

310 AM HST Mon May 18 2026



PHZ119>121-123-124-190215-

/O.NEW.PHFO.SC.Y.0025.260518T1310Z-260520T1600Z/

Maalaea Bay-Pailolo Channel-Alenuihaha Channel-

Big Island Leeward Waters-Big Island Southeast Waters-

310 AM HST Mon May 18 2026



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM HST WEDNESDAY...



* WHAT...Northeast east winds to 25 knots, except north in 

  Maalaea Bay. 



* WHERE...Maalaea Bay, Pailolo and Alenuihaha Channels, Big 

  Island Leeward Waters and Big Island Southeast Waters.



* WHEN...Until 6 AM HST Wednesday.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in these conditions.



&&



$$






401 

WHUS76 KLOX 181358

MWWLOX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Los Angeles/Oxnard CA

658 AM PDT Mon May 18 2026



PZZ670-182200-

/O.CON.KLOX.SC.Y.0079.000000T0000Z-260519T1000Z/

Point Piedras Blancas to Point Sal from 10 to 60 NM-

658 AM PDT Mon May 18 2026



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

TUESDAY...



* WHAT...Hazardous sea conditions.



* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM.



* WHEN...Until 3 AM PDT Tuesday.



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



* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX) 

  for more.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



PZZ673-182200-

/O.CON.KLOX.SC.Y.0079.000000T0000Z-260519T0400Z/

Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm

including San Miguel and Santa Rosa Islands-

658 AM PDT Mon May 18 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS

EVENING...



* WHAT...Hazardous sea conditions.



* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and 

  westward 60 nm including San Miguel and Santa Rosa Islands.



* WHEN...Until 9 PM PDT this evening.



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



* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX) 

  for more.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



PZZ676-182200-

/O.CON.KLOX.SC.Y.0079.000000T0000Z-260519T0400Z/

Outer waters from Santa Cruz Island to San Clemente Island to

60 NM offshore including San Nicolas and Santa Barbara Islands-

658 AM PDT Mon May 18 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS

EVENING...



* WHAT...Hazardous sea conditions.



* WHERE...Outer waters from Santa Cruz Island to San Clemente 

  Island to 60 NM offshore including San Nicolas and Santa 

  Barbara Islands.



* WHEN...Until 9 PM PDT this evening.



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



* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX) 

  for more.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



PZZ645-181600-

/O.CON.KLOX.SC.Y.0079.000000T0000Z-260518T1600Z/

Point Piedras Blancas to Point Sal westward out to 10 NM-

658 AM PDT Mon May 18 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS

MORNING...



* WHAT...Hazardous sea conditions.



* WHERE...Point Piedras Blancas to Point Sal westward out to 10 

  NM.



* WHEN...Until 9 AM PDT this morning.



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



* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX) 

  for more.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$