North Sea, NY Elevation & Topographic Map

Topographic elevation map of North Sea, New York, shaded from sea level level on Great Peconic Bay to 220 ft on the southeast side
Elevation
220 ft 70 m170 ft 50 m140 ft 45 m84 ft 26 m28 ft 9 m0 ft 0 m
Contours every 100 ft, bold every 500 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
Elevation
Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
Satellite
A 2016 satellite photo at 33 ft (10 m) detail; contours off.
3D
Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
Click or tap anywhere
The exact elevation of that spot in ft and m.
Measure
Pick two points for the climb, descent and grade along a straight line.
Area
Fades everything outside the official CDP boundary (US Census).

Elevation Data

North Sea sits at about 38 ft (12 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
38 ft 12 m
most residents: 9–110 ft
Lowest
0 ft 0 m
at sea level on Great Peconic Bay
Highest
220 ft 70 m
on the southeast side
Average
56 ft 17 m
all land inside the CDP boundary

North Sea spans about 220 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.

FigureElevation
Typical
Where people live: half of residents higher, half lower
38 ft12 m
Highest point
Inside the CDP boundary, on the southeast side
220 ft70 m
Lowest point
Where the land meets Great Peconic Bay
0 ft0 m
Town center
USGS map point for North Sea
13 ft4 m
Airport (JPX)
FAA airport elevation, the highest point of its runways, 6.1 mi east of the CDP boundary
55 ft17 m
Average of all land56 ft17 m

Elevation profile, west to east

3.7 mi west to east through the town center.

Topographic Map

Topographic elevation map of North Sea, New York, shaded from sea level level on Great Peconic Bay to 220 ft on the southeast side
CDP boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
Unincorporated community (census-designated place) in Suffolk County, New York, United States
Population
5,461 2020 Census
Land area
11.1 sq mi + 1.0 sq mi water
Density
494 per sq mi
Coordinates
40.9329° N, 72.4143° W
Time zone
Eastern UTC−5 / −4
Landform region
Coastal Plain
Drains to
Atlantic Ocean
Airport
East Hampton Town (JPX) 55 ft
ZIP codes 1
11968
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Sources: U.S. Census Bureau, USGS, FAA

Nearby Places

How we measure
  • Typical elevation: the population-weighted median: every 2020 Census block inside the CDP boundary, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
  • Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census CDP boundary (TIGER, Jan 1 2026).
  • Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
  • Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
  • Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
  • North Sea is an unincorporated community; figures cover the census-designated place, a statistical area.
  • Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones. All public domain.