Coastal Flood Advisory

Locations Affected

Jersey City, NJ ∙ Newark, NJ ∙ Elizabeth, NJ ∙ Union City, NJ ∙ Bayonne, NJ ∙ Hempstead, NY ∙ Hoboken, NJ ∙ West New York, NJ ∙ Long Island, NY ∙ Harbor Isle, NY

Full Alert Message

Coastal Hazard Message National Weather Service New York NY 411 AM EST Thu Dec 18 2025 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 AM TO 1 PM EST FRIDAY... * WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk and Southeast Suffolk Counties in New York. * WHEN...From 6 AM to 1 PM EST Friday. * 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. 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 -------- --------- --------- --------- ------- -------- 18/09 AM 1.3/ 1.8 -0.3/ 0.2 0.0/ 0.5 0 NONE 18/09 PM 1.3/ 1.8 -0.3/ 0.2 0.2/ 0.8 1 NONE 19/09 AM 3.2/ 3.7 1.6/ 2.0 1.9/ 2.3 2 MINOR 19/08 PM 0.6/ 1.1 -1.1/-0.6 -0.2/ 0.3 2 NONE 20/09 AM 0.7/ 1.1 -1.0/-0.5 -0.6/-0.1 1 NONE 20/09 PM 0.8/ 1.3 -0.9/-0.4 -0.2/ 0.3 1 NONE 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 -------- --------- --------- --------- ------- -------- 18/09 AM 0.9/ 1.4 -0.6/-0.1 0.0/ 0.5 0 NONE 18/10 PM 1.0/ 1.5 -0.5/ 0.0 0.2/ 0.8 1 NONE 19/09 AM 2.8/ 3.4 1.5/ 2.0 2.1/ 2.6 3 MINOR 19/10 PM 0.7/ 1.1 -0.8/-0.2 0.0/ 0.5 2 NONE 20/11 AM 0.6/ 1.1 -0.9/-0.4 -0.5/ 0.0 1 NONE 20/11 PM 0.6/ 1.1 -0.9/-0.4 -0.2/ 0.3 1-2 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 -------- --------- --------- --------- ------- -------- 18/09 AM 0.9/ 1.4 -0.7/-0.2 -0.5/ 0.0 0 NONE 18/09 PM 0.9/ 1.4 -0.7/-0.2 0.0/ 0.5 0-1 NONE 19/10 AM 2.7/ 3.2 1.3/ 1.8 1.5/ 2.0 1-2 NONE 19/10 PM 0.2/ 0.8 -1.3/-0.8 -0.7/-0.2 1-2 NONE 20/11 AM 0.4/ 0.9 -1.1/-0.7 -1.1/-0.6 1 NONE 20/11 PM 0.5/ 1.0 -1.1/-0.6 -0.5/ 0.0 1 NONE MORICHES BAY AT EAST MORICHES NY MLLW CATEGORIES - MINOR 4.3 FT, MODERATE 5.3 FT, MAJOR 6.3 FT MHHW CATEGORIES - MINOR 1.9 FT, MODERATE 2.9 FT, MAJOR 3.9 FT TOTAL TOTAL DEPARTURE DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD FT MLLW FT MHHW FT FT IMPACT -------- --------- --------- --------- ------- -------- 18/07 AM 2.2/ 2.7 -0.2/ 0.2 0.2/ 0.7 0 NONE 18/08 PM 2.1/ 2.6 -0.3/ 0.2 0.6/ 1.1 1 NONE 19/08 AM 4.0/ 4.5 1.7/ 2.2 2.0/ 2.5 2 MINOR 19/06 PM 1.4/ 1.9 -1.1/-0.6 0.4/ 0.9 1 NONE 20/08 AM 1.4/ 1.9 -1.1/-0.6 -0.8/-0.2 1 NONE 20/09 PM 1.7/ 2.2 -0.8/-0.2 0.2/ 0.7 1 NONE SHINNECOCK BAY AT PONQUOQUE NY MLLW CATEGORIES - MINOR 4.9 FT, MODERATE 5.9 FT, MAJOR 6.9 FT MHHW CATEGORIES - MINOR 1.7 FT, MODERATE 2.7 FT, MAJOR 3.7 FT TOTAL TOTAL DEPARTURE DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD FT MLLW FT MHHW FT FT IMPACT -------- --------- --------- --------- ------- -------- 18/06 AM 3.0/ 3.5 -0.2/ 0.2 0.1/ 0.6 0 NONE 18/07 PM 2.7/ 3.2 -0.6/-0.1 0.6/ 1.1 1 NONE 19/07 AM 4.7/ 5.2 1.6/ 2.0 1.8/ 2.2 1-2 MINOR 19/06 PM 2.3/ 2.8 -0.9/-0.4 0.5/ 1.0 1-2 NONE 20/08 AM 2.1/ 2.6 -1.1/-0.7 -1.0/-0.5 1 NONE 20/08 PM 2.2/ 2.7 -1.0/-0.5 0.1/ 0.6 1 NONE FORT POND BAY AT MONTAUK NY MLLW CATEGORIES - MINOR 4.1 FT, MODERATE 4.9 FT, MAJOR 6.6 FT MHHW CATEGORIES - MINOR 1.6 FT, MODERATE 2.4 FT, MAJOR 4.1 FT TOTAL TOTAL DEPARTURE DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD FT MLLW FT MHHW FT FT IMPACT -------- --------- --------- --------- ------- -------- 18/08 AM 2.3/ 2.8 -0.2/ 0.3 -0.3/ 0.2 2 NONE 18/09 PM 2.2/ 2.7 -0.3/ 0.2 0.2/ 0.7 2 NONE 19/10 AM 4.0/ 4.5 1.5/ 2.0 1.3/ 1.8 5-7 MINOR 20/09 AM 1.6/ 2.0 -1.0/-0.5 -1.1/-0.7 4-5 NONE 20/10 PM 1.8/ 2.2 -0.8/-0.2 -0.2/ 0.2 3-4 NONE PECONIC RIVER AT RIVERHEAD NY MLLW CATEGORIES - MINOR 5.7 FT, MODERATE 6.4 FT, MAJOR 7.2 FT MHHW CATEGORIES - MINOR 2.3 FT, MODERATE 3.0 FT, MAJOR 3.8 FT TOTAL TOTAL DEPARTURE DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD FT MLLW FT MHHW FT FT IMPACT -------- --------- --------- --------- ------- -------- 18/10 AM 3.2/ 3.7 -0.2/ 0.3 0.1/ 0.6 0 NONE 18/11 PM 3.0/ 3.5 -0.5/ 0.0 0.6/ 1.1 1 NONE 19/11 AM 4.6/ 5.1 1.2/ 1.7 1.3/ 1.8 2 NONE 19/11 PM 1.1/ 1.6 -2.3/-1.9 -1.3/-0.8 3 NONE 20/12 PM 2.5/ 3.0 -1.0/-0.5 -0.9/-0.4 1 NONE 21/12 AM 2.3/ 2.8 -1.1/-0.6 0.0/ 0.5 1 NONE

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