Warning Vector

Small Craft Advisory

NWS Honolulu HI ยท US

Updated

Details

Small Craft Advisory Remains In Effect Until 6 AM HST Saturday

Event
Small Craft Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Avoid

Description

What

East winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet.

Where

Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Windward Waters, Big Island Leeward Waters and Big Island Southeast Waters.

When

Until 6 AM HST Saturday.

Impacts

Conditions will be hazardous to small craft.

Instructions

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.

Affected areas

  • Maalaea Bay
  • Pailolo Channel
  • Alenuihaha Channel
  • Big Island Windward Waters
  • Big Island Leeward Waters
  • Big Island Southeast Waters

Public contact

Issuer
NWS Honolulu HI

Message record

Received
Issue to receipt
~45s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2TBJ6WB91C99YXKA1S6EPFG
Identifier
urn:oid:2.49.0.1.840.0.b1dae7e4d25b3a963defb8ae7586cb31262c01d0.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Honolulu HI
AWIPS ID
CAPHFO
NWWS sequence
nwws_processor.2181
WMO heading
XOHW50
WMO data type
CAP alert message XML (XO)
WMO geography
Hawaiian Islands (HW)
WMO bulletin number
50

References

Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMENWS
NationalWeatherServiceSCY

Parameters

NameValue
AWIPSidentifierMWWHFO
WMOidentifierWHHW70 PHFO 181333
NWSheadlineSMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST SATURDAY
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.CON.PHFO.SC.Y.0037.000000T0000Z-260919T1600Z/
eventEndingTime2026-09-19T06:00:00-10:00
BLOCKCHANNELCMAS
expiredReferencesw-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6246b99874393738018c2a397b1939a857157dfb.002.1,2026-09-17T03:21:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6246b99874393738018c2a397b1939a857157dfb.001.1,2026-09-17T03:21:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.746917972358fff8690dd6cbe2a0a4f1b6c72cea.001.1,2026-09-16T21:00:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.eb70c1f1d66ca86cac2674dcc9786cd16b618c1f.001.1,2026-09-16T15:56:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4ed39188cf5b6511d19b7113660af40c29100318.001.1,2026-09-16T03:10:00-10:00
Locations

Location data

  • Maalaea Bay
  • Pailolo Channel
  • Alenuihaha Channel
  • Big Island Windward Waters
  • Big Island Leeward Waters
  • Big Island Southeast Waters
NameValue
SAME059119
SAME059120
SAME059121
SAME059122
SAME059123
SAME059124
UGCPHZ119
UGCPHZ120
UGCPHZ121
UGCPHZ122
UGCPHZ123
UGCPHZ124