Active Weather Alerts
Coastal Flood Watch
Issued: 7:22 PM Sep. 19, 2024 – National Weather Service
...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...One to two feet of inundation above ground level possible in low-lying areas near shorelines and tidal waterways. * WHERE...Boston area. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Some vulnerable coastal roads become impassable around high tide. Flooding 1 to 2 feet deep affects some coastal roads and low lying areas from Revere and Winthrop through Boston to Hull, Braintree, and Quincy. Splashover and debris may wash onto coastal roads when large waves occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && && Time of high total tides are approximate to the nearest hour. Boston Harbor MLLW Categories - Minor 12.5 ft, Moderate 14.0 ft, Major 15.0 ft MHHW Categories - Minor 2.4 ft, Moderate 3.9 ft, Major 4.9 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 20/01 AM 12.2/12.7 2.1/ 2.6 1.0/ 1.5 2 None 20/01 PM 13.5/14.0 3.4/ 3.9 1.9/ 2.3 2 Minor 21/02 AM 12.4/12.9 2.2/ 2.7 1.6/ 2.0 2 Minor 21/02 PM 12.8/13.3 2.7/ 3.2 1.3/ 1.8 2 Minor 22/03 AM 11.7/12.2 1.6/ 2.0 1.4/ 1.9 2 None Revere MLLW Categories - Minor 12.5 ft, Moderate 14.5 ft, Major 16.0 ft MHHW Categories - Minor 2.6 ft, Moderate 4.6 ft, Major 6.1 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 20/01 AM 12.2/12.7 2.2/ 2.7 1.0/ 1.5 2 None 20/01 PM 13.4/13.9 3.5/ 4.0 1.8/ 2.2 2 Minor 21/02 AM 12.3/12.8 2.3/ 2.8 1.5/ 2.0 2 Minor 21/02 PM 12.8/13.3 2.8/ 3.4 1.3/ 1.8 2 Minor 22/03 AM 11.6/12.1 1.7/ 2.2 1.3/ 1.8 1-2 None &&
Small Craft Advisory
Issued: 7:09 PM Sep. 19, 2024 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM FRIDAY TO 8 AM EDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 3 feet expected. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From 2 AM Friday to 8 AM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Local Radar