Harbor WebCam - Portsmouth, NH

Portsmouth (NH) Harbor – 43.1°N, 70.8°W

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From Ceres Street, Portsmouth, N.H., looking northeast over the Piscataqua River toward Maine.

River traffic. The Piscataqua River is a swift tidal river. When the tide comes in (right to left <--- above), it reverses the river's normal flow. Travel by tankers and other large vessels is restricted to slack tide, when the current is more or less zero. See the chart below for slack tide times at the entrance to Portsmouth Harbor (map), which is roughly three miles downstream.
Piscataqua River Currents Sat 03:22am EST -0.00 knots Slack, Ebb Begins Sat 06:20am EST -1.81 knots Max Ebb Sat 06:25am EST Sunrise Sat 09:56am EST 0.00 knots Slack, Flood Begins Sat 11:28am EST Moonset Sat 12:14pm EST 1.46 knots Max Flood Sat 03:28pm EST -0.00 knots Slack, Ebb Begins Sat 04:27pm EST Sunset Sat 06:49pm EST -2.17 knots Max Ebb Sat 08:57pm EST Moonrise Sat 10:46pm EST 0.00 knots Slack, Flood Begins Sun 12:49am EST 1.30 knots Max Flood Sun 04:23am EST -0.00 knots Slack, Ebb Begins Sun 06:26am EST Sunrise Sun 07:15am EST -1.74 knots Max Ebb Sun 10:57am EST 0.00 knots Slack, Flood Begins Sun 12:06pm EST Moonset Sun 01:08pm EST 1.33 knots Max Flood Sun 04:25pm EST Sunset Sun 04:29pm EST -0.00 knots Slack, Ebb Begins Sun 07:44pm EST -2.08 knots Max Ebb Sun 10:14pm EST Moonrise Sun 11:43pm EST 0.00 knots Slack, Flood Begins	Current Conditions 37.6 ^oF mostly clear Forecast
New Hampshire-Maine border. The N.H.-Maine border lies in the middle of the Piscataqua River. Its exact location was the subject of a long-running dispute settled by the U.S. Supreme Court. Piscataqua River. This Piscataqua River is a 13-mile long tidal estuary formed by merging of the Salmon and Cocheco rivers. The river, which separates Maine and New Hampshire, also drains Great Bay, a National Estuarine Research Reserve site. The last 8.8 miles of the Piscataqua River constitute Portsmouth Harbor, which stretches across New Castle, Portsmouth, and Newington, and the Maine communities of Kittery and Eliot. Currents. The swift currents of the Piscataqua River make Portsmouth Harbor one of the fastest flowing commercial port waterways in the northeastern United States. The ice-free deep-water channel has been used for shipping since the 1600s.
	Points of Interest 1. Moran Towing tugboats 2. Public benches 3. Ferry Landing restaurant 4. Tug Alley Too tugboat 5. Memorial Bridge 6. Portsmouth Naval Shipyard 7. Badger's Island, Kittery, Maine
What kind of name is Piscataqua (Piss-cat-a-qua)? Easy for you to say, but not so easy to spell. See an extended examination of the origin of the word at SeacoastNH.com and 20 ways to spell Piscataqua. More information. For more about the Piscataqua River, see the Army Corps of Engineers Water Resources web page.

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