Coastal Flood Advisory

Full Alert Message

Coastal Hazard Message National Weather Service New York NY 314 PM EDT Sun Sep 27 2026 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 2 PM EDT MONDAY... ...COASTAL FLOOD WARNING IS CANCELLED... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 8 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, 1 to 1 1/2 ft, locally 2 ft, of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk and Southern Nassau Counties. * WHEN...For the High Surf Advisory, until 8 PM EDT this evening. For the Coastal Flood Advisory, from 7 PM this evening to 2 PM EDT Monday. * COASTAL FLOOD IMPACTS...Widespread minor to locally moderate flooding is expected in the most vulnerable locations near the waterfront and shoreline. Expect 1 to 1 1/2 ft, locally 2 ft, feet of inundation above ground level. Some roads and low lying property including parking lots, parks, lawns and homes/businesses with basements near the waterfront will experience shallow flooding. * SHOREFRONT AND BEACH IMPACTS...Breaking waves of 4 to 8 feet along with elevated water levels will result in scattered areas of dune erosion and beach flooding with tonight and Monday. Life threatening rip currents are likely for all people entering the surf zone. 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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help. && 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 -------- --------- --------- --------- ------- -------- 27/11 PM 3.2/ 3.7 1.6/ 2.0 1.8/ 2.2 1 MIN-MOD 28/12 PM 3.2/ 3.7 1.7/ 2.2 1.8/ 2.2 1 MIN-MOD 28/11 PM 2.6/ 3.1 1.0/ 1.5 1.3/ 1.8 1 NONE 29/11 AM 2.5/ 3.0 0.9/ 1.4 1.1/ 1.6 1 NONE 30/12 AM 2.1/ 2.6 0.5/ 1.0 0.9/ 1.4 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 -------- --------- --------- --------- ------- -------- 28/12 AM 2.7/ 3.2 1.4/ 1.9 1.7/ 2.2 1 MINOR 28/12 PM 2.7/ 3.2 1.4/ 1.9 1.6/ 2.0 1 MINOR 29/12 AM 2.2/ 2.7 0.8/ 1.3 1.2/ 1.7 1 NONE 29/01 PM 2.2/ 2.7 0.8/ 1.3 0.9/ 1.4 1 NONE 30/01 AM 1.7/ 2.2 0.2/ 0.8 0.7/ 1.1 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 AM 2.8/ 3.4 1.4/ 1.9 1.8/ 2.2 1 MINOR 28/01 PM 2.8/ 3.4 1.4/ 1.9 1.6/ 2.0 1 MINOR 29/12 AM 1.7/ 2.2 0.2/ 0.7 0.7/ 1.1 1 NONE 29/01 PM 1.7/ 2.2 0.2/ 0.7 0.4/ 0.9 1 NONE 30/01 AM 1.3/ 1.8 -0.2/ 0.2 0.2/ 0.8 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 -------- --------- --------- --------- ------- -------- 27/10 PM 3.7/ 4.2 1.4/ 1.9 1.5/ 2.0 1 NONE 28/10 AM 3.9/ 4.4 1.5/ 2.0 1.2/ 1.7 1 MINOR 28/11 PM 2.7/ 3.2 0.2/ 0.8 0.4/ 0.9 1 NONE 29/11 AM 2.8/ 3.4 0.5/ 1.0 0.1/ 0.6 1 NONE 30/12 AM 2.2/ 2.7 -0.2/ 0.2 0.0/ 0.5 1 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 -------- --------- --------- --------- ------- -------- 27/09 PM 6.2/ 6.8 1.4/ 1.9 1.4/ 1.9 3-4 MINOR 28/09 AM 6.6/ 7.1 1.7/ 2.2 1.1/ 1.6 2 MINOR 28/10 PM 5.4/ 5.9 0.5/ 1.0 0.6/ 1.1 2 NONE 29/10 AM 5.7/ 6.2 0.9/ 1.4 0.2/ 0.8 2 NONE 29/10 PM 4.7/ 5.2 -0.2/ 0.3 0.2/ 0.7 2 NONE 30/11 AM 5.6/ 6.1 0.7/ 1.1 0.1/ 0.6 2 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 -------- --------- --------- --------- ------- -------- 27/09 PM 6.1/ 6.6 1.4/ 1.9 1.5/ 2.0 1-2 MINOR 28/09 AM 6.2/ 6.8 1.6/ 2.0 1.1/ 1.6 1 MINOR 28/10 PM 5.2/ 5.7 0.5/ 1.0 0.7/ 1.1 1 NONE 29/10 AM 5.7/ 6.2 1.0/ 1.5 0.4/ 0.9 1 NONE 29/11 PM 4.6/ 5.1 -0.2/ 0.3 0.2/ 0.8 1 NONE 30/11 AM 5.4/ 5.9 0.7/ 1.1 0.2/ 0.7 1 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 -------- --------- --------- --------- ------- -------- 27/09 PM 5.9/ 6.4 1.2/ 1.7 2.6/ 3.1 1 MIN-MOD 28/10 AM 6.1/ 6.6 1.4/ 1.9 2.2/ 2.7 1 MIN-MOD 28/10 PM 5.2/ 5.7 0.6/ 1.1 2.0/ 2.5 1 NONE 29/10 AM 5.5/ 6.0 0.8/ 1.3 2.0/ 2.5 1 NONE 29/11 PM 4.7/ 5.2 0.1/ 0.6 1.6/ 2.0 1 NONE 30/11 AM 5.4/ 5.9 0.7/ 1.1 1.7/ 2.2 1 NONE