001
WHUS41 KOKX 210626
CFWOKX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
226 AM EDT WED OCT 21 2026
NYZ179-212100-
/O.CAN.KOKX.CF.S.0037.261021T2000Z-261021T2200Z/
/O.NEW.KOKX.CF.Y.0012.261021T1900Z-261021T2300Z/
SOUTHERN NASSAU-
226 AM EDT WED OCT 21 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING...
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN VULNERABLE AREAS NEAR THE WATERFRONT AND SHORELINE.
* WHERE...SOUTHERN NASSAU COUNTY.
* WHEN...FROM 3 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING.
* IMPACTS...MINOR FLOODING IN THE MORE VULNERABLE LOCATIONS
NEAR THE WATERFRONT AND SHORELINE. SOME ROADS AND LOW LYING
PROPERTIES INCLUDING PARKING LOTS, PARKS, LAWNS, AND HOMES AND
BUSINESSES WITH BASEMENTS NEAR THE WATERFRONT WILL EXPERIENCE
MINOR FLOODING.
* ADDITIONAL DETAILS...ADDITIONAL LOCALIZED MINOR COASTAL
FLOODING POSSIBLE DURING TIMES OF HIGH TIDE ON THURSDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF TRAVEL IS REQUIRED, ALLOW EXTRA TIME AS SOME ROADS MAY BE
CLOSED. DO NOT DRIVE AROUND BARRICADES OR THROUGH WATER OF
UNKNOWN DEPTH. TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE
PROPERTY.
TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.
EAST ROCKAWAY INLET AT ATLANTIC BEACH NY
MLLW CATEGORIES - MINOR 6.2 FT, MODERATE 7.2 FT, MAJOR 8.2 FT
MHHW CATEGORIES - MINOR 1.3 FT, MODERATE 2.3 FT, MAJOR 3.3 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
21/04 AM 5.7/ 6.2 0.8/ 1.3 1.7/ 2.2 2-3 NONE
21/05 PM 6.2/ 6.8 1.4/ 1.9 2.1/ 2.6 3-4 MINOR
22/05 AM 5.7/ 6.2 0.9/ 1.4 1.5/ 2.0 3-4 NONE
22/06 PM 5.9/ 6.4 1.0/ 1.5 1.7/ 2.2 2-3 NONE
REYNOLDS CHANNEL AT POINT LOOKOUT NY
MLLW CATEGORIES - MINOR 6.0 FT, MODERATE 7.0 FT, MAJOR 8.0 FT
MHHW CATEGORIES - MINOR 1.3 FT, MODERATE 2.3 FT, MAJOR 3.3 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
21/05 AM 5.5/ 6.0 0.8/ 1.3 1.8/ 2.2 1 NONE
21/05 PM 6.0/ 6.5 1.3/ 1.8 2.0/ 2.5 1 MINOR
22/05 AM 5.7/ 6.2 1.0/ 1.5 1.6/ 2.0 1 NONE-MINOR
22/06 PM 5.7/ 6.2 1.1/ 1.6 1.7/ 2.2 1 NONE-MINOR
HUDSON BAY AT FREEPORT NY
MLLW CATEGORIES - MINOR 6.0 FT, MODERATE 6.5 FT, MAJOR 7.2 FT
MHHW CATEGORIES - MINOR 1.3 FT, MODERATE 1.8 FT, MAJOR 2.5 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
21/05 AM 5.6/ 6.1 0.9/ 1.4 2.8/ 3.4 0 NONE
21/04 PM 6.0/ 6.5 1.3/ 1.8 3.2/ 3.7 0-1 MINOR
22/06 AM 5.7/ 6.2 1.0/ 1.5 2.7/ 3.2 0 NONE-MINOR
22/06 PM 5.6/ 6.1 0.9/ 1.4 2.5/ 3.0 0 NONE-MINOR
NYZ080-212100-
/O.NEW.KOKX.CF.Y.0012.261021T2100Z-261022T0100Z/
SOUTHWEST SUFFOLK-
226 AM EDT WED OCT 21 2026
...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 PM EDT THIS EVENING...
* WHAT...UP TO ONE FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN VULNERABLE AREAS NEAR THE WATERFRONT AND SHORELINE.
* WHERE...SOUTHWEST SUFFOLK COUNTY.
* WHEN...FROM 5 PM THIS AFTERNOON TO 9 PM EDT THIS EVENING.
* IMPACTS...MINOR FLOODING IN THE MORE VULNERABLE LOCATIONS
NEAR THE WATERFRONT AND SHORELINE. SOME ROADS AND LOW LYING
PROPERTIES INCLUDING PARKING LOTS, PARKS, LAWNS, AND HOMES AND
BUSINESSES WITH BASEMENTS NEAR THE WATERFRONT WILL EXPERIENCE
MINOR FLOODING.
* ADDITIONAL DETAILS...ADDITIONAL LOCALIZED MINOR COASTAL
FLOODING POSSIBLE DURING TIMES OF HIGH TIDE ON THURSDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF TRAVEL IS REQUIRED, ALLOW EXTRA TIME AS SOME ROADS MAY BE
CLOSED. DO NOT DRIVE AROUND BARRICADES OR THROUGH WATER OF
UNKNOWN DEPTH. TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE
PROPERTY.
TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.
GREAT SOUTH BAY AT LINDENHURST NY
MLLW CATEGORIES - MINOR 3.1 FT, MODERATE 3.6 FT, MAJOR 4.1 FT
MHHW CATEGORIES - MINOR 1.5 FT, MODERATE 2.0 FT, MAJOR 2.5 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
21/07 AM 2.7/ 3.2 1.2/ 1.7 1.7/ 2.2 0 NONE
21/06 PM 3.2/ 3.7 1.6/ 2.0 2.1/ 2.6 0 MINOR
22/09 AM 3.0/ 3.5 1.4/ 1.9 1.8/ 2.2 0 MINOR
22/07 PM 2.8/ 3.4 1.3/ 1.8 1.7/ 2.2 0 MINOR
GREAT SOUTH BAY AT WEST SAYVILLE NY
MLLW CATEGORIES - MINOR 3.1 FT, MODERATE 3.6 FT, MAJOR 4.1 FT
MHHW CATEGORIES - MINOR 1.7 FT, MODERATE 2.2 FT, MAJOR 2.7 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
21/07 AM 2.6/ 3.1 1.2/ 1.7 1.6/ 2.0 1 NONE
21/08 PM 3.0/ 3.5 1.6/ 2.0 1.8/ 2.2 1 MINOR
22/09 AM 2.8/ 3.4 1.5/ 2.0 1.8/ 2.2 1 NONE=MINOR
22/09 PM 2.7/ 3.2 1.4/ 1.9 1.6/ 2.0 1 NONE
GREAT SOUTH BAY AT WATCH HILL/FIRE ISLAND NY
MLLW CATEGORIES - MINOR 3.2 FT, MODERATE 3.7 FT, MAJOR 4.2 FT
MHHW CATEGORIES - MINOR 1.7 FT, MODERATE 2.2 FT, MAJOR 2.7 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
21/07 AM 2.7/ 3.2 1.2/ 1.7 1.7/ 2.2 1 NONE
21/08 PM 3.0/ 3.5 1.5/ 2.0 1.8/ 2.2 1 MINOR
22/08 AM 2.7/ 3.2 1.3/ 1.8 1.8/ 2.2 1 NONE
22/08 PM 2.8/ 3.4 1.4/ 1.9 1.8/ 2.2 1 NONE
NJZ006-106-108-NYZ074-212100-
/O.CON.KOKX.CF.S.0037.261021T2000Z-261021T2200Z/
HUDSON-EASTERN ESSEX-EASTERN UNION-RICHMOND (STATEN ISLAND)-
226 AM EDT WED OCT 21 2026
..COASTAL FLOOD STATEMENT REMAINS IN EFFECT THIS AFTERNOON
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL
EXPECTED IN VULNERABLE AREAS NEAR THE WATERFRONT AND SHORELINE.
* WHERE...IN NEW JERSEY, HUDSON, EASTERN ESSEX AND EASTERN UNION
COUNTIES. IN NEW YORK, RICHMOND (STATEN ISLAND) COUNTY.
* WHEN...THIS AFTERNOON.
* IMPACTS...BRIEF MINOR FLOODING OF THE MORE VULNERABLE
LOCATIONS NEAR THE WATERFRONT AND SHORELINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE THROUGH FLOODED ROADWAYS.
BE SURE TO USE THE MYCOAST APP TO RELAY PHOTOS AND REPORTS OF
COASTAL FLOODING AND BEACH EROSION.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
HTTPS://WEATHER.GOV/NYC
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