Surface low pressure moved off the southern Mid Atlantic coast the morning of March 6th, and continued moving slowly east into the north Atlantic through March 9th while intensifying. A prolonged period of strong north to northeast winds and easterly swells, resulted in several days of minor coastal flooding March 6th through March 10th. Locally moderate coastal flooding occurred during this time along the southern and eastern bays of Long Island.

Coastal Flood in SOUTHWEST SUFFOLK, NEW YORK
From 09-MAR-13 07:00:00 to 09-MAR-13 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The USGS tidal gauge in Lindenhurst recorded a water level of 3.9 ft. MLLW during the early morning high tide cycle on March 9th. This is .1 ft. above the threshold for moderate coastal flooding established by the National Weather Service. Locally moderate road and home inundation was experienced across several communities along the Great South bay in southern Lindenhurst, Copaigue, and Amityville.

Coastal Flood in SOUTHEAST SUFFOLK, NEW YORK
From 07-MAR-13 07:00:00 to 07-MAR-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The USGS tidal gauge in Riverhead recorded a water level of 6.1 ft. MLLW during the March 7th morning high tide cycle. This is at the threshold for moderate coastal flooding established by the National Weather Service.

Coastal Flood in SOUTHERN NASSAU, NEW YORK
From 07-MAR-13 03:00:00 to 07-MAR-13 06:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The USGS tidal gauge in Hudson Bay at Freeport recorded a water level of 6.0 ft. MLLW during the early morning high tide cycle on March 7th. This is .2 ft. above the threshold for moderate coastal flooding established by the National Weather Service.

Coastal Flood in NORTHEAST SUFFOLK, NEW YORK
From 07-MAR-13 07:00:00 to 07-MAR-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The USGS tidal gauge in Riverhead recorded a water level of 6.1 ft. MLLW during the March 7th morning high tide cycle. This is at the threshold for moderate coastal flooding established by the National Weather Service.

Coastal Flood in SOUTHWEST SUFFOLK, NEW YORK
From 09-MAR-13 20:00:00 to 09-MAR-13 20:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The USGS tidal gauge in Lindenhurst recorded a water level of 3.8 ft. MLLW during the evening high tide cycle on March 9th. This is at the threshold for moderate coastal flooding established by the National Weather Service.

Coastal Flood in SOUTHERN QUEENS, NEW YORK
From 09-MAR-13 05:00:00 to 09-MAR-13 07:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The USGS tidal gauge in Hudson Bay at Freeport recorded a water level of 6.2 ft. MLLW during the early morning high tide cycle on March 9th. This is .4 ft. above the threshold for moderate coastal flooding established by the National Weather Service.
The USGS tidal gauge in East Rockaway at Point Lookout recorded a water level of 7.0 ft. MLLW during the early morning high tide cycle on March 9th. This is at the threshold for moderate coastal flooding established by the National Weather Service.

Coastal Flood in SOUTHERN NASSAU, NEW YORK
From 09-MAR-13 17:00:00 to 09-MAR-13 19:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The USGS tidal gauge in Hudson Bay at Freeport recorded a water level of 6.0 ft. MLLW during the evening high tide cycle on March 9th. This is .2 ft. above the threshold for moderate coastal flooding established by the National Weather Service.