High Tide Flood Outlook — June 2024
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By US Harbors.
Coastal Flooding Outlook for June 2024
The coastal United States is getting a bit of a reprieve from predicted high tide flooding this June, except for a couple of areas on the continental U.S. (see below) and Hawaii’s Big Island, which is predicted to see likely flooding at the beginning end and end of the month.
Important for Boaters: Be aware that lower than normal tides can also occur along with the highest tides of the month. Don’t forget to print the tide chart for your location!
- Hawaii’s Big Island, predicted to see very limited high tide flooding in May, will likely see two rounds of high tide flooding this month, with LIKELY flooding on June 5th and June 22nd.
- Galveston Bay, TX which in May was predicted to see a lot of tidal flooding, will only probably see limited flooding around Pier 21.
- Bay St. Louis, MS may again see 2 rounds of tidal flooding this month.
- Bar Harbor, ME, and the whole of California, Oregon, and Washington look spared this June!
About these Predictions: “These flooding likelihoods are derived from a probabilistic model that incorporates tide predictions, sea level rise trends, and seasonal changes in coastal sea level to predict the potential that a higher than normal high tide may exceed established National Ocean Service flood thresholds. During these periods, high tide flooding may occur in flood-prone areas.” NOAA
Northeast: Possible Flood Days
Maine:
- Portland, ME — June 5
Massachusetts:
- Boston, MA — June 5 and 7
Mid-Atlantic: Possible Flood Days
New York:
- Kings Point, Long Island, NY — June 3-4
Southeast: Possible Flood Days
Georgia:
- Fort Pulaski, GA — June 5
Florida:
- Fernandina Beach, FL — May 7-8
Gulf Coast: Possible Flood Days
Mississippi:
- Bay St. Louis, MS — June 6-7 and 22-24
Texas:
- Galveston Pier 21, TX — June 4-10 and 21-24
Hawaii: Likely & Possible Flood Days
Hawaii, Big Island:
- Hilo, Hilo Bay, Kuhio Bay, HI — June 4-7 and 20-24
- Kawaihae, HI — June 4-9 with LIKELY flooding on June 5; June 20-25 with LIKELY flooding on June 22.
If you see high tide flooding near you, please send us your photos. We work with you local National Weather Service office to help them improve their storm surge forecasts, and your documentation (photo with data/time and location) help!

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