Small Craft Advisory

NWS Honolulu HI · US

Updated

Details

Small Craft Advisory Now In Effect Until 6 AM HST Wednesday

Event: Small Craft Advisory
Issued: 2026-09-22 01:17:00 UTC
Onset: 2026-09-22 01:17:00 UTC
Message expires: 2026-09-22 14:30:00 UTC
Expected end: 2026-09-23 16:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

What

Northeast winds 15 to 25 kt, except north in Maalaea Bay.

Where

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

When

Until 6 AM HST Wednesday.

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 Leeward Waters
Big Island Southeast Waters

Public contact

Issuer: NWS Honolulu HI
Website: http://www.weather.gov

Message record

Received: 2026-09-22 01:17:49 UTC
Issue to receipt: ~49s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M33B1HJHZCT7N6F4ZD0HWRD8
Identifier: urn:oid:2.49.0.1.840.0.9bc024c9f2ed76023714f6721f1cdfa866550aca.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.2056
WMO heading: XOHW50
WMO data type: CAP alert message XML (XO)
WMO geography: Hawaiian Islands (HW)
WMO bulletin number: 50

References

Identifier: urn:oid:2.49.0.1.840.0.4813ae8a947c37474ef494c47dfef44e612c2142.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-21 13:44:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.aca55b595820c8af0144977696fc0da8a5189abf.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-21 06:00:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.c4d00460e526f04538930ce14fde42d220b4f0e4.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-21 01:13:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.eaeeb4fec6c2a6497f794601a8e068d7b0ad79a1.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 13:29:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.5628ad9aa27c608f91ec03b62584c427b815bd34.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 01:04:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.89e4864ca217d6c9e575d9d5a0943df0da5034a1.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 13:01:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.b6d50e43ba4dafd29494c955076179cf7e16da86.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 01:05:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.b1dae7e4d25b3a963defb8ae7586cb31262c01d0.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 13:33:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.3c9f2a921df06b038b9e615afb193f22c6eb2105.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 07:58:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a45b82d9f9756c2d336f53546f3a8111cd26bda2.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 01:20:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6246b99874393738018c2a397b1939a857157dfb.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 13:21:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.746917972358fff8690dd6cbe2a0a4f1b6c72cea.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 07:00:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.eb70c1f1d66ca86cac2674dcc9786cd16b618c1f.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 01:56:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.4ed39188cf5b6511d19b7113660af40c29100318.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 13:10:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	SCY

Parameters

Name	Value
AWIPSidentifier	MWWHFO
WMOidentifier	WHHW70 PHFO 220117
NWSheadline	SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM HST WEDNESDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXT.PHFO.SC.Y.0037.000000T0000Z-260923T1600Z/
eventEndingTime	2026-09-23T06:00:00-10:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.aca55b595820c8af0144977696fc0da8a5189abf.001.1,2026-09-20T20:00:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c4d00460e526f04538930ce14fde42d220b4f0e4.001.1,2026-09-20T15:13:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.eaeeb4fec6c2a6497f794601a8e068d7b0ad79a1.001.1,2026-09-20T03:29:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5628ad9aa27c608f91ec03b62584c427b815bd34.001.1,2026-09-19T15:04:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.89e4864ca217d6c9e575d9d5a0943df0da5034a1.001.1,2026-09-19T03:01:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b6d50e43ba4dafd29494c955076179cf7e16da86.002.1,2026-09-18T15:05:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b1dae7e4d25b3a963defb8ae7586cb31262c01d0.001.1,2026-09-18T03:33:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3c9f2a921df06b038b9e615afb193f22c6eb2105.001.1,2026-09-17T21:58:00-10:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a45b82d9f9756c2d336f53546f3a8111cd26bda2.001.1,2026-09-17T15:20:00-10:00 w-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:2.49.0.1.840.0.746917972358fff8690dd6cbe2a0a4f1b6c72cea.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 Leeward Waters
Big Island Southeast Waters

Name	Value
SAME	059119
SAME	059120
SAME	059121
SAME	059123
SAME	059124
UGC	PHZ119
UGC	PHZ120
UGC	PHZ121
UGC	PHZ123
UGC	PHZ124