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.

Latitude: 43.07905408740087
Longitude: -70.75766086578369

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 Tue 03:12am EST 0.00 knots Slack, Flood Begins Tue 04:07am EST Moonrise Tue 05:04am EST 0.80 knots Max Flood Tue 06:15am EST 0.75 knots Min Flood Tue 06:48am EST Sunrise Tue 07:18am EST 0.79 knots Max Flood Tue 09:08am EST -0.00 knots Slack, Ebb Begins Tue 12:56pm EST Moonset Tue 12:59pm EST -1.62 knots Max Ebb Tue 04:07pm EST 0.00 knots Slack, Flood Begins Tue 05:05pm EST Sunset Tue 08:01pm EST 0.74 knots Max Flood Tue 09:41pm EST -0.00 knots Slack, Ebb Begins Wed 01:11am EST -1.30 knots Max Ebb Wed 04:07am EST 0.00 knots Slack, Flood Begins Wed 04:49am EST Moonrise Wed 06:03am EST 0.78 knots Max Flood Wed 06:47am EST Sunrise Wed 06:54am EST 0.76 knots Min Flood Wed 08:12am EST 0.82 knots Max Flood Wed 10:00am EST -0.00 knots Slack, Ebb Begins Wed 01:54pm EST -1.68 knots Max Ebb Wed 01:55pm EST Moonset Wed 04:59pm EST 0.00 knots Slack, Flood Begins Wed 05:07pm EST Sunset Wed 08:51pm EST 0.81 knots Max Flood Wed 10:35pm EST -0.00 knots Slack, Ebb Begins	Current Conditions 20.5 ^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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