Station Name: LONG ISLAND - 30 NM South of Islip, NY
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
Islip, NY 11751
Suffolk County

GPS Coordinates: 40.251, -73.164

Nearby Water Temperatures

Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 6:00PM EDT by NWS Upton NY

Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 6:00 PM

* WHAT...One to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Queens and Southern Nassau Counties. * WHEN...From 1 PM to 6 PM EDT this afternoon and evening. * COASTAL FLOOD 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. * SHORELINE IMPACTS...Breaking waves of 5 to 7 ft along the oceanfront will result in beach erosion flooding during the time of high tides with only minor damage possible to dune structures. * ADDITIONAL DETAILS...Locally moderate coastal flooding is possible across the most vulnerable locations along the shoreline in Southern Nassau.

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.

Coastal Flood Statement issued October 30 at 3:57AM EDT until October 30 at 6:00PM EDT by NWS Upton NY

Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 6:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southeast Suffolk County. * WHEN...This afternoon. * COASTAL FLOOD IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. * SHORELINE IMPACTS...Breaking waves of 5 to 7 ft along the oceanfront will result in beach erosion flooding during the time of high tides with only minor damage possible to dune structures.

Do not drive through flooded roadways.

Coastal Flood Statement issued October 30 at 3:57AM EDT until October 30 at 8:00PM EDT by NWS Upton NY

Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 8:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Northeast Suffolk County. * WHEN...From this afternoon through this evening. * COASTAL FLOOD IMPACTS...Some water on low lying roads and property. * SHORELINE IMPACTS...Breaking waves of 4 to 7 ft along the shoreline will result in beach erosion as well as splashover onto shoreline roads and properties. Minor damage to shorefront structures possible.

Do not drive through flooded roadways.

Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 9:00PM EDT by NWS Upton NY

Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 9:00 PM

* WHAT...One to locally two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk County. * WHEN...From 2 PM to 9 PM EDT this afternoon and evening. * 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. * ADDITIONAL DETAILS...Locally moderate coastal flooding is possible across the western Great South Bay during this evening's high tide. There is also potential of minor coastal flooding during high tide Friday morning.

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.

Coastal Flood Statement issued October 30 at 3:57AM EDT until October 30 at 8:00PM EDT by NWS Upton NY

Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 8:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Bronx County. * WHEN...From this afternoon through this evening. * IMPACTS...Some water on low lying roads and property.

Do not drive through flooded roadways.

Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 5:00PM EDT by NWS Upton NY

Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 5:00 PM

* WHAT...One to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In New Jersey, Hudson, Eastern Essex and Eastern Union Counties. In New York, New York (Manhattan), Richmond (Staten Island) and Kings (Brooklyn) Counties. * WHEN...From 1 PM to 5 PM EDT this afternoon. * IMPACTS...Minor flooding of 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.

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.

Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 8:00PM EDT by NWS Upton NY

Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 8:00 PM

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In Connecticut, Southern Fairfield County. In New York, Southern Westchester County. * WHEN...From 4 PM to 8 PM EDT this afternoon and evening. * 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.

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.