June 2026 high tide flooding predictions

Waves crash on the rocks © Shutterstock ArTono

Spring will go out like a lion this year, with more than a dozen U.S. harbors likely to flood in June due to tidal action alone.

In New England, the major harbors of Portland, Maine, and Boston are both predicted to have higher than normal high tides (and lower than normal low tides) around the perigean spring tide on June 14, when the moon is new and closest to Earth, and during the full moon on June 29.

Tides will increase up to and after the Summer Solstice on June 21, caused by the increased angle of the Sun relative to the Equator. On the West Coast, ports in Southern California are likely to see flooding (Monterey and Eureka are also likely to see higher water levels than usual), while every major harbor in the Hawaiian Islands is predicted to see high-tide flooding. An ocean storm or strong winds, should they happen to coincide with the dates of higher than normal tides, may exacerbate the coastal impact of these high-water events. Make sure to print out your US Harbors tide chart and keep your favorite harbor saved on USHarbors.com so that you are always one step ahead of the tide.

Note that a harbor's absence from this list, despite it being in proximity to a harbor that is (for example: Montauk, New York, and Woods Hole, Massachusetts, both of which are near harbors that are listed as seeing possible flooding, don't make the list themselves), does not mean that flooding is not possible. Instead, it simply means that NOAA either does not have a sufficiently validated model to make an accurate prediction, or that the local hydrodynamics makes such a prediction impossible.

• June 14 - New Moon, Perigean Spring Tide
• June 21 - Summer Solstice
• June 29 - Full Moon

View the detailed flooding report for harbors by region below.

Northeast: Possible & Likely Flood Days

• Bar Harbor, ME — POSSIBLE June 13-17
• Portland, ME — POSSIBLE June 13, 14; 17, 18 LIKELY June 16
• Boston, MA — POSSIBLE June 13, 15, 18 LIKELY June 14, 16, 17
• Providence, RI — POSSIBLE June 14, 15
• Newport, RI — POSSIBLE June 15
• Kings Point, NY — POSSIBLE June 13-16
• The Battery, NY — POSSIBLE June 14, 15

Mid-Atlantic: Possible & Likely Flood Days

• Sandy Hook, NJ — POSSIBLE June 13-16
• Atlantic City, NJ — POSSIBLE June 14-16
• Cape May, NJ — POSSIBLE June 13-16
• Lewes, DE — POSSIBLE June 14-16
• Wachapreague, VA — POSSIBLE June 14-16

Southeast: Possible & Likely Flood Days

• Duck, NC — POSSIBLE June 14, 15
• Springmaid Pier, SC — POSSIBLE June 13-16
• Charleston, SC — POSSIBLE June 14-16
• Fort Pulaski, GA — POSSIBLE June 13-16
• Trident Pier, Port Canaveral, FL — POSSIBLE June 14, 15

Gulf Coast: Possible & Likely Flood Days

• Cedar Key, FL — POSSIBLE June 14-16
• Dauphin Island, AL — POSSIBLE June 15
• Bay Waveland Yacht Club, MS — POSSIBLE June 14-17
• Morgans Point, Barbours Cut, TX — POSSIBLE June 15
• Eagle Point, Galveston Bay, TX — POSSIBLE June 1-6; 11-19; 24-30
• Galveston Pier 21, TX — POSSIBLE June 13-16

West Coast: Possible & Likely Flood Days

• San Diego, CA — POSSIBLE June 16; LIKELY June 13-15
• La Jolla, CA — POSSIBLE June 13, 16; LIKELY June 14, 15
• Los Angeles, CA — POSSIBLE June 13, 16; LIKELY June 14, 15
• Santa Monica, CA — POSSIBLE June 16; LIKELY June 13-15
• Port San Luis, CA — POSSIBLE June 13-15
• Monterey, CA — POSSIBLE June 13; LIKELY June 14, 15
• Point Reyes, CA — POSSIBLE June 13-16
• Arena Cove, CA — POSSIBLE June 14-16
• North Spit, CA — POSSIBLE June 13, 17; LIKELY June 14-16
• South Beach, OR — POSSIBLE June 15, 16
• Port Angeles, WA — POSSIBLE June 14, 15

Hawaii: Possible & Likely Flood Days

Kauai:

• Nawiliwili, HI — POSSIBLE June 12, 16, 17; LIKELY June 13-15

Oahu:

• Mokuoloe, HI — POSSIBLE June 13, 17; LIKELY June 14-16
• Honolulu, HI — POSSIBLE June 12, 17; LIKELY June 13-16

Maui:

• Kahului, Kahului Harbor, HI — POSSIBLE June 13, 17; LIKELY June 14-16

Hawaii, Big Island:

• Kawaihae, HI — POSSIBLE June 12, 17, 29, 30; LIKELY June 13-16
• Hilo, Hilo Bay, Kuhio Bay, HI — POSSIBLE June 12, 17; LIKELY June 13-16