geographical coverage
geographical coverage
Tidelog's tide and current graphics are based on official NOAA* predictions for each geographical area. Most locations within an area differ by only minutes from the major reference station on which the graphics are based; complete corrections are included for precise adjustments.
There are nine different geographic editions of Tidelog:
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MidAtlantic: 
New York harbor.
Long Island's south shore.
coastal New Jersey,
Delaware, Maryland.. Tide curves based on Sandy Hook & NY Battery. Current flows at The Narrows and Hell Gate. Corrections south to Virginia. |
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Long Island Sound:
Long Island's north shore
NY/Connecticut shore Throg's Neck to Saybrook |
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Southern New England: Rhode Island's Narragansett Bay, Buzzards Bay, Block Island Sound, Long Island's Peconic Bays, and the western part of Martha's Vineyard. |
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Northern New England:
Maine
New Hampshire
with Portsmouth currents
Massachusetts
including Cape Cod
Nantucket
Martha's Vineyard
eastern part . . (don't ask us, NOAA divided it like this!) . Daily graphics based on Boston & Portland, ME |
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Chesapeake Tidewater: Chesapeake Bay, Baltimore, Washington, the Tidewater area of Virginia, and down the coast to Wilmington, NC. |
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Southeastern: The entire South Carolina coast, north to Wilmington, NC, and south to Brunswick, GA. |
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Puget Sound: including Seattle, Port Townsend, south to Tacoma, Olympia, and north into the San Juans. |
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Northern California: S.F. Bay and Delta, south to Monterey, and north to the Nehalem River, Oregon. |
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*National Oceanographic & Oceanic Administration
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Southern California: Los Angeles, San Diego, Catalina, south to Manzanillo, Mexico, and north to Carmel. |