Strong surface high pressure persisted NE of the local area with a strong surge of NE flow across the local waters through Oct 17th through the 19th.  The strong onshore flow combined with seasonally high King tides produced tidal flooding over the course of 3 days, with the peak of the event Monday Oct 19th. Widespread Minor tidal flooding impacted the Atlantic coast and locations within the St. Johns River basin with a few locations peaking at Moderate tidal flooding along the Atlantic coast.

Coastal Flood in COASTAL DUVAL, FLORIDA
From 17-OCT-20 10:45:00 to 17-OCT-20 10:45:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The peak high tide was 1.65 MHHW datum at the Pottsburg Creek tide gauge at Beach Blvd. Minor tidal flooding begins at 1.5 ft MHHW at this location.

Coastal Flood in COASTAL DUVAL, FLORIDA
From 17-OCT-20 08:48:00 to 19-OCT-20 10:24:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The peak high tide was 1.76 MHHW datum at the Mayport tide gauge. This was just below minor tidal flooding stage for the site at 1.8 ft MHHW. On 10/18 at 1036 am, the peak high tide was 1.99 ft. On 10/19 at 1124 am, the high tide was 2.0 ft MHHW.

Coastal Flood in COASTAL NASSAU, FLORIDA
From 17-OCT-20 09:00:00 to 19-OCT-20 10:54:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The peak high tide was 2.05 MHHW datum at the Fernandina Beach NOS tide gauge. This was within the minor tidal flooding stage for the site which begins at 2 ft MHHW. On 10/18, the peak tide was 2.3 ft MHHW. On 10/19 at 1154 am, the high tide reached 2.26 ft MHHW.

Coastal Flood in COASTAL FLAGLER, FLORIDA
From 17-OCT-20 11:48:00 to 17-OCT-20 11:48:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The peak high tide was 1.4 MHHW datum at Bings Landing tide gauge in the Intracoastal Waterway. Minor tidal flooding begins at 1.3 ft MHHW at this location.

Coastal Flood in COASTAL DUVAL, FLORIDA
From 19-OCT-20 12:00:00 to 19-OCT-20 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

High tide reach 1.58 ft MHHW at the downtown Jacksonville tide gauge on the St. Johns River. Minor flooding begins at 1.5 ft MHHW at this location.

Coastal Flood in COASTAL DUVAL, FLORIDA
From 18-OCT-20 10:30:00 to 19-OCT-20 11:24:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The peak high tide was 1.84 ft MHHW datum at the Dames Point Bridge on the St. Johns River. Minor tidal flooding begins at 1.60 ft MHHW at this location. On 10/19 at 1224 pm, the high tide was 1.85 ft MHHW.

Coastal Flood in COASTAL DUVAL, FLORIDA
From 17-OCT-20 10:00:00 to 19-OCT-20 11:45:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The peak high tide was 2.0 MHHW datum at the Clapboard Creek tide gauge. Minor tidal flooding begins at 1.5 ft MHHW at this location. On 10/18 at 1145 am, the high tide was 2.23 ft MHHW. Moderate flooding begins at 2.0 ft MHHW at this location. On 10/19 at 1245 pm, the high tide reached 2.24 ft MHHW. Moderate flooding begins at 2.0 ft MHHW at this location.