Nassau County

Alerts in effect

Alerts covering all or part of Nassau County.

No active alerts in Nassau County. Checked 43 sec ago.

Outlook for the days ahead

• Severe Thunderstorm Outlook, Day 1: General Thunderstorms Risk until Oct 3, 12:00 PM UTC · Storm Prediction Center
• Excessive Rainfall Outlook, Day 1: no risk area over Nassau County until Oct 3, 12:00 PM UTC · Weather Prediction Center
• Severe Thunderstorm Outlook, Day 2: no risk area over Nassau County until Oct 4, 12:00 PM UTC · Storm Prediction Center
• Excessive Rainfall Outlook, Day 2: no risk area over Nassau County until Oct 4, 12:00 PM UTC · Weather Prediction Center
• Severe Thunderstorm Outlook, Day 3: no risk area over Nassau County until Oct 5, 12:00 PM UTC · Storm Prediction Center
• Excessive Rainfall Outlook, Day 3: no risk area over Nassau County until Oct 4, 12:00 PM UTC · Weather Prediction Center
• Excessive Rainfall Outlook, Day 4: no risk area over Nassau County until Oct 6, 12:00 PM UTC · Weather Prediction Center
• Excessive Rainfall Outlook, Day 5: no risk area over Nassau County until Oct 7, 12:00 PM UTC · Weather Prediction Center

Rainfall forecast

• Day 1 (24 hours): highest in Nassau County, 0.25 to 0.5 inches issued Oct 2, 5:41 AM UTC · Weather Prediction Center
• Days 1–3 (72 hours): highest in Nassau County, 0.25 to 0.5 inches issued Oct 2, 5:53 AM UTC · Weather Prediction Center
• Days 1–7: highest in Nassau County, 0.25 to 0.5 inches issued Oct 2, 5:54 AM UTC · Weather Prediction Center

River gauges

• East Rockaway Inlet at Atlantic Beach (IN MLLW)
  NowNo flooding2.76 ftOct 2, 3:00 AM EDT
• Hog Island Channel at Island Park (IN MLLW)
  NowNo flooding3.36 ftOct 2, 3:00 AM EDT
• Hudson Bay at Freeport (IN MLLW)
  NowNo flooding2.84 ftOct 2, 3:30 AM EDT
• Jamaica Bay at Inwood (IN MLLW)
  NowNo flooding4.13 ftOct 2, 2:48 AM EDT
• Long Island Sound above Lattingtown (IN MLLW)
  NowNo flooding6.21 ftOct 2, 2:42 AM EDT
• Long Island Sound at Sands Point (IN MLLW)
  NowNo flooding6.42 ftOct 2, 2:42 AM EDT
• Reynolds Channel at Point Lookout (IN MLLW)
  NowNo flooding2.87 ftOct 2, 2:48 AM EDT
• West Pond at Glen Cove (IN MLLW)
  NowObservation not current