Coastal Flood Warning

Locations Affected

Hempstead, NY ∙ Baldwin, NY ∙ Hillside Manor, NY ∙ Massapequa, NY ∙ Islip Terrace, NY ∙ Gilgo, NY ∙ Albertson, NY ∙ Amityville, NY ∙ Great South Bay, NY ∙ Rosedale, NY

Full Alert Message

URGENT - IMMEDIATE BROADCAST REQUESTED Coastal Hazard Message National Weather Service New York NY 527 AM EDT Fri Sep 25 2026 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY EVENING... ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...COASTAL FLOOD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 7 to 12 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau County. * WHEN...For the High Surf Advisory, until 8 PM EDT Saturday. For the High Rip Current Risk, through Saturday evening. For the Coastal Flood Advisory, until 11 AM EDT this morning. For the Coastal Flood Warning, from 6 PM this evening to 6 PM EDT Sunday. * IMPACTS...Widespread flooding of vulnerable areas near the waterfront and shoreline, including roads, parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Numerous road closures are likely, and vehicles parked in vulnerable areas near the waterfront will likely become flooded. Flooding will also extend inland from the waterfront along tidal rivers and bays. Dangerous swimming and surfing conditions and localized beach erosion. Life- threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. * ADDITIONAL DETAILS...Moderate to major flooding will occur over multiple high tide cycles tonight through Sunday. The worst flooding is expected with the Saturday morning high tide cycle. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. && Time of high total tides are approximate to the nearest hour. 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 -------- --------- --------- --------- ------- -------- 25/07 AM 6.1/ 6.6 1.2/ 1.7 1.3/ 1.8 3-5 MINOR 25/08 PM 7.0/ 7.5 2.1/ 2.6 2.1/ 2.6 3-4 MODERATE 26/08 AM 7.8/ 8.4 3.0/ 3.5 2.7/ 3.2 4 MODERATE 26/08 PM 7.1/ 7.6 2.2/ 2.7 2.2/ 2.7 4 MODERATE 27/09 AM 7.5/ 8.0 2.6/ 3.1 2.1/ 2.6 3-4 MODERATE 27/09 PM 6.2/ 6.8 1.4/ 1.9 1.4/ 1.9 2-3 MINOR 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 -------- --------- --------- --------- ------- -------- 25/07 AM 5.9/ 6.4 1.2/ 1.7 1.3/ 1.8 1-2 MINOR 25/08 PM 6.6/ 7.1 1.9/ 2.3 2.0/ 2.5 2 MINOR 26/08 AM 7.7/ 8.2 3.0/ 3.5 2.7/ 3.2 2 MODERATE 26/09 PM 6.9/ 7.4 2.2/ 2.7 2.3/ 2.8 2 MODERATE 27/09 AM 7.3/ 7.8 2.6/ 3.1 2.2/ 2.7 2 MODERATE 27/09 PM 6.2/ 6.7 1.5/ 2.0 1.6/ 2.0 1 MINOR 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 -------- --------- --------- --------- ------- -------- 25/08 AM 6.2/ 6.7 1.5/ 2.0 2.8/ 3.4 0-1 MINOR 25/08 PM 6.8/ 7.3 2.1/ 2.6 3.2/ 3.7 0-1 MODERATE 26/09 AM 7.8/ 8.3 3.1/ 3.6 4.2/ 4.7 1 MAJOR 26/09 PM 7.3/ 7.8 2.6/ 3.1 3.7/ 4.2 1 MAJOR 27/09 AM 7.4/ 7.9 2.7/ 3.2 3.7/ 4.2 0-1 MAJOR 27/10 PM 6.6/ 7.1 1.9/ 2.3 3.1/ 3.6 0-1 MODERATE

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