These dates are from: Wood, Fergus J. 1976. The strategic role of perigean spring tides in nautical history and North American coastal flooding, 1635-1976. U.S. Department of Commerce, National Oceanographic and Atmospheric Administration. p. 264 Additional dates from 1600 through 1999 are available in that document. 07/01/96 Perigean Spring Tide - expect extreme tidal range 07/30/96 Perigean Spring Tide - expect extreme tidal range 02/07/97 Perigean Spring Tide - expect extreme tidal range 03/07/97 Perigean Spring Tide - expect extreme tidal range 08/18/97 Perigean Spring Tide - expect extreme tidal range 09/16/97 Perigean Spring Tide - expect extreme tidal range 03/28/98 Perigean Spring Tide - expect extreme tidal range 04/26/98 Perigean Spring Tide - expect extreme tidal range 10/05/98 Perigean Spring Tide - expect extreme tidal range 11/04/98 Perigean Spring Tide - expect extreme tidal range 05/15/99 Perigean Spring Tide - expect extreme tidal range 06/13/99 Perigean Spring Tide - expect extreme tidal range 11/23/99 Perigean Spring Tide - expect extreme tidal range 12/22/99 Perigean Spring Tide - expect extreme tidal range