Coastal Flood Advisory

Full Alert Message

Coastal Hazard Message National Weather Service New York NY 250 AM EDT Sat Apr 18 2026 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 2 AM EDT SUNDAY... * WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Northwest Suffolk, Northern Queens and Northern Nassau Counties. * WHEN...From 11 PM this evening to 2 AM EDT Sunday. * 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. 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. FLAX POND AT OLD FIELD NY MLLW CATEGORIES - MINOR 9.2 FT, MODERATE 10.2 FT, MAJOR 12.2 FT MHHW CATEGORIES - MINOR 1.9 FT, MODERATE 2.9 FT, MAJOR 4.9 FT TOTAL TOTAL DEPARTURE DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD FT MLLW FT MHHW FT FT IMPACT -------- --------- --------- --------- ------- -------- 18/01 PM 8.1/ 8.6 0.8/ 1.3 1.0/ 1.5 0 NONE 19/01 AM 9.3/ 9.8 2.0/ 2.5 1.2/ 1.7 0 MINOR 19/02 PM 8.2/ 8.7 0.9/ 1.4 1.2/ 1.7 0-1 NONE 20/02 AM 8.4/ 8.9 1.1/ 1.6 0.5/ 1.0 1 NONE 20/02 PM 7.2/ 7.7 -0.2/ 0.3 0.4/ 0.9 1 NONE LITTLE NECK BAY AT KINGS POINT NY MLLW CATEGORIES - MINOR 10.0 FT, MODERATE 10.5 FT, MAJOR 13.0 FT MHHW CATEGORIES - MINOR 2.2 FT, MODERATE 2.7 FT, MAJOR 5.2 FT TOTAL TOTAL DEPARTURE DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD FT MLLW FT MHHW FT FT IMPACT -------- --------- --------- --------- ------- -------- 18/01 PM 8.7/ 9.2 0.9/ 1.4 0.7/ 1.1 0 NONE 19/01 AM 9.8/10.3 2.0/ 2.5 0.7/ 1.1 0 MINOR 19/01 PM 8.7/ 9.2 0.9/ 1.4 0.8/ 1.3 0 NONE 20/02 AM 9.0/ 9.5 1.2/ 1.7 0.0/ 0.5 0 NONE 20/02 PM 7.7/ 8.2 -0.2/ 0.3 0.0/ 0.5 0 NONE WEST POND AT GLEN COVE NY MLLW CATEGORIES - MINOR 10.1 FT, MODERATE 11.1 FT, MAJOR 13.1 FT MHHW CATEGORIES - MINOR 2.2 FT, MODERATE 3.2 FT, MAJOR 5.2 FT TOTAL TOTAL DEPARTURE DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD FT MLLW FT MHHW FT FT IMPACT -------- --------- --------- --------- ------- -------- 18/01 PM 8.7/ 9.2 0.8/ 1.3 0.5/ 1.0 0 NONE 19/01 AM 10.0/10.5 2.1/ 2.6 0.7/ 1.1 0 MINOR 19/01 PM 8.9/ 9.4 1.0/ 1.5 0.7/ 1.1 0 NONE 20/02 AM 9.2/ 9.7 1.3/ 1.8 0.0/ 0.5 0 NONE 20/02 PM 7.8/ 8.4 0.0/ 0.5 -0.2/ 0.3 0 NONE