Active Weather Alerts
Coastal Flood Advisory
Issued: 9:11 AM Dec. 18, 2025 – National Weather Service
...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 &&
Gale Warning
Issued: 6:21 AM Dec. 18, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT EST FRIDAY NIGHT... * WHAT...Southwest winds 30 to 40 kt with gusts up to 45 kt. Seas 7 to 12 feet expected on the ocean waters from Sandy Hook NJ to Fire Island Inlet NY. * WHERE...Long Island Sound west of the Orient Point and the Connecticut River, New York Harbor, South Shore Bays from Jones Inlet through Shinnecock Bay, and Sandy Hook NJ to Fire Island Inlet NY out 20 nm. * WHEN...From 6 PM this evening to midnight EST Friday night. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
Wind Advisory
Issued: 6:11 AM Dec. 18, 2025 – National Weather Service
...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST FRIDAY NIGHT... * WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In Connecticut, Southern New London County. In New York, Northeast Suffolk and Southeast Suffolk Counties. * WHEN...From midnight tonight to midnight EST Friday Night. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Isolated wind gusts up to 60 mph are possible Friday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. &&
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