Active Weather Alerts
Coastal Flood Advisory
Issued: 9:01 AM Sep. 28, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk and Southern Nassau Counties. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Minor to locally moderate flooding in 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 -------- --------- --------- --------- ------- -------- 28/11 AM 3.2/ 3.7 1.6/ 2.0 1.8/ 2.2 0 MINOR 28/11 PM 2.7/ 3.2 1.2/ 1.7 1.5/ 2.0 0 NONE 29/12 PM 2.7/ 3.2 1.1/ 1.6 1.2/ 1.7 0 NONE 30/12 AM 2.2/ 2.7 0.6/ 1.1 1.0/ 1.5 0 NONE 30/01 PM 2.5/ 3.0 0.9/ 1.4 1.0/ 1.5 0 NONE 01/01 AM 2.1/ 2.6 0.5/ 1.0 1.0/ 1.5 0 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 -------- --------- --------- --------- ------- -------- 28/12 PM 2.7/ 3.2 1.4/ 1.9 1.6/ 2.0 2 NONE 29/01 AM 2.3/ 2.8 1.0/ 1.5 1.3/ 1.8 1 NONE 29/01 PM 2.2/ 2.7 0.9/ 1.4 1.0/ 1.5 1 NONE 30/01 AM 1.9/ 2.3 0.5/ 1.0 0.9/ 1.4 1 NONE 30/02 PM 2.2/ 2.7 0.8/ 1.3 0.8/ 1.3 1 NONE 01/02 AM 1.8/ 2.2 0.4/ 0.9 0.8/ 1.3 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 -------- --------- --------- --------- ------- -------- 28/12 PM 2.6/ 3.1 1.1/ 1.6 1.4/ 1.9 2 NONE 29/12 AM 2.1/ 2.6 0.6/ 1.1 1.1/ 1.6 1 NONE 29/01 PM 2.1/ 2.6 0.6/ 1.1 0.8/ 1.3 1 NONE 30/01 AM 1.7/ 2.2 0.2/ 0.7 0.7/ 1.1 1 NONE 30/02 PM 2.0/ 2.5 0.5/ 1.0 0.6/ 1.1 1 NONE 01/02 AM 1.6/ 2.0 0.1/ 0.6 0.6/ 1.1 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 -------- --------- --------- --------- ------- -------- 28/10 AM 4.0/ 4.5 1.6/ 2.0 1.3/ 1.8 0 NONE 28/10 PM 3.2/ 3.7 0.8/ 1.3 1.0/ 1.5 0 NONE 29/11 AM 3.4/ 3.9 1.0/ 1.5 0.6/ 1.1 0 NONE 29/11 PM 2.7/ 3.2 0.2/ 0.8 0.6/ 1.1 0 NONE 30/12 PM 3.2/ 3.7 0.8/ 1.3 0.5/ 1.0 0 NONE 01/12 AM 2.7/ 3.2 0.2/ 0.8 0.6/ 1.1 0 NONE 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 -------- --------- --------- --------- ------- -------- 28/09 AM 6.6/ 7.1 1.7/ 2.2 1.1/ 1.6 0 MINOR 28/10 PM 5.7/ 6.2 0.8/ 1.3 0.9/ 1.4 0 NONE 29/10 AM 6.1/ 6.6 1.2/ 1.7 0.6/ 1.1 0 MINOR 29/10 PM 5.0/ 5.5 0.1/ 0.6 0.4/ 0.9 0 NONE 30/11 AM 5.9/ 6.4 1.0/ 1.5 0.4/ 0.9 0 NONE 30/11 PM 4.7/ 5.2 -0.2/ 0.3 0.4/ 0.9 0 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 -------- --------- --------- --------- ------- -------- 28/09 AM 6.2/ 6.8 1.6/ 2.0 1.1/ 1.6 0 MINOR 28/10 PM 5.4/ 5.9 0.7/ 1.1 0.9/ 1.4 0 NONE 29/10 AM 5.7/ 6.2 1.1/ 1.6 0.5/ 1.0 0 MINOR 29/10 PM 4.7/ 5.2 0.0/ 0.5 0.4/ 0.9 0 NONE 30/11 AM 5.6/ 6.1 0.9/ 1.4 0.4/ 0.9 0 NONE 30/11 PM 4.5/ 5.0 -0.2/ 0.2 0.4/ 0.9 0 NONE 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 -------- --------- --------- --------- ------- -------- 28/10 AM 6.2/ 6.8 1.6/ 2.0 2.5/ 3.0 0 MODERATE 28/10 PM 5.5/ 6.0 0.8/ 1.3 2.2/ 2.7 0 NONE 29/10 AM 5.7/ 6.2 1.0/ 1.5 2.2/ 2.7 0 NONE 29/11 PM 4.9/ 5.4 0.2/ 0.7 1.7/ 2.2 0 NONE 30/11 AM 5.5/ 6.0 0.8/ 1.3 1.8/ 2.2 0 NONE 01/12 AM 4.7/ 5.2 0.0/ 0.5 1.7/ 2.2 0 NONE &&
Small Craft Advisory
Issued: 6:49 AM Sep. 28, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 2 to 4 feet. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...Until 4 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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