104
WHPQ41 PGUM 171645
CFWPQ1

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
245 AM ChST Tue Aug 18 2026

FMZ001-180645-
/O.CON.PGUM.SU.Y.0052.000000T0000Z-260820T1700Z/
Kosrae-
245 AM ChST Tue Aug 18 2026

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 AM CHST FRIDAY...

* WHAT...Large breaking waves of 7 to 9 ft.

* WHERE...South facing reefs of Kosrae.

* WHEN...Until 3 AM ChST Friday.

* IMPACTS...Dangerous swimming and surfing conditions and
    localized beach erosion.

* ADDITIONAL DETAILS...Southwesterly swell looks to persist a bit
  longer, with the latest forecast guidance showing this will
  continue through Thursday morning. This may get additional
  support from Invest 92W, which may develop northwest of Pohnpei
  in the next couple of days, helping to prolong the swell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

$$

MHZ002-180645-
/O.CON.PGUM.SU.Y.0052.000000T0000Z-260819T1700Z/
Majuro-
245 AM ChST Tue Aug 18 2026

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 AM CHST
THURSDAY...

* WHAT...Large breaking waves of 7 to 9 ft.

* WHERE...South facing reefs of Majuro.

* WHEN...Until 3 AM ChST Thursday.

* IMPACTS...Dangerous swimming and surfing conditions and
    localized beach erosion.

* ADDITIONAL DETAILS...South-southwesterly swell looks to persist
  longer, with the latest forecast guidance showing this will
  continue through Wednesday night. The south swell is generally
  being produced by a low pressure system just south of the
  equator and a far more distant low pressure system east of New
  Zealand.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

$$

JAW