Seawane Club

Every green at Seawane Club in Hewlett Harbor, New York traced contour by contour, with fall lines, daily pins, and live wind in the GolfCore app.

GolfCore is not affiliated with or endorsed by Seawane Club.

The course map of Seawane Club: fairways, tees, greens, bunkers and water traced hole by hole, the same map the app plays a round on.
  • 18Holes
  • 72Par
  • 9Rated tees
  • 18Greens mapped
  • 167Contours
  • 15.4%Steepest slope

About Seawane Club

Seawane Club is an 18-hole golf course playing to par 72 in Hewlett Harbor, New York. Devereaux Emmet, Stephen Kay, Doug Smith designed it, and it opened in 1927. GolfCore has mapped 18 greens here with contour lines and fall-line arrows. The card below lists 9 rated tees with yardages for all 18 holes. GPS yardages and scoring are free in the GolfCore app.

Plan your visit

One Club Drive, Hewlett Harbor, NY

+1 516-374-1110

Green contour map of Seawane Club in Hewlett Harbor, New York: 167 elevation contours at a 3-inch interval with fall-line arrows, traced from 1-meter lidar
One of 18 mapped greens at Seawane Club. Cool colors sit low and warm colors high; white lines are contours at a 3-inch interval, and the arrows point down the fall line.

How the greens break

GolfCore traced 18 greens at Seawane Club from USGS 3DEP 1-meter lidar, with 167 elevation contours at a 3-inch interval. The steepest measured slope is 15.4 percent, and the largest rise across a single green is 6.3 ft.

In the app the same map sits under your ball on every green, with the fall line drawn to the hole and the wind modeled at your position. At clubs that run GolfCore, the pins the shop sets each morning show up there too.

Elevation: USGS 3D Elevation Program, U.S. Geological Survey, National Geospatial Program (public domain), processed by GolfCore.

The card

6,113 yds · Par 73 · Rating 76.6 · Slope 139

Hole 123456789 Out
Par 444435535 37
Yards 350399351270178479410132465 3,034
Hcp 9571117313151
Hole 101112131415161718 In
Par 434435454 36
Yards 319165309378181516334504373 3,079
Hcp 61614121824108

Total73 Yards6,113

Hole Par Yards Hcp
1 4 350 9
2 4 399 5
3 4 351 7
4 4 270 11
5 3 178 17
6 5 479 3
7 5 410 13
8 3 132 15
9 5 465 1
Out 37 3,034
10 4 319 6
11 3 165 16
12 4 309 14
13 4 378 12
14 3 181 18
15 5 516 2
16 4 334 4
17 5 504 10
18 4 373 8
In 36 3,079
Total 73 6,113

Course rating and slope

TeeYardsParRating / Slope
Black 2019 6,802 72 74.1 / 144
Blue 2019 6,388 72 72.2 / 143
Blue/White 2016 6,211 72 71.0 / 141
White 6,113 73 76.6 / 139 (W)
White 2019 6,080 72 70.7 / 140
Blue 5,842 72 –
White/Gold 2017 5,747 72 69.0 / 128
Gold 2017 5,582 72 68.2 / 126
Gold 5,582 72 73.7 / 132 (W)
Red 2019 5,281 73 72.1 / 129 (W)

Hole data is what GolfCore holds for the course's layout. Picking a tee shows that tee's own yardages, pars and stroke indexes where the club has rated them. Spot a wrong par, yardage or stroke index? Report it from Map Settings in the app, or send us a correction.

Course details

Location
Hewlett Harbor, New York, United States
Address
One Club Drive, Hewlett Harbor, NY
Architect
Devereaux Emmet, Stephen Kay, Doug Smith
Opened
1927
Holes
18
Par
72
Tees on the card
10, 9 USGA-rated
Greens mapped
18
Elevation contours
167
Contour interval
3-inch
Largest green elevation span
6.3 ft
Steepest measured slope
15.4%
Course map
Traced hole by hole
Wind modeling
Live wind grid, 16 directions
Tree canopy
1-meter canopy height model
Course data updated
2026-11-10

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Straight-line distance from Seawane Club.

Staff at Seawane Club can claim this course by signing in with an email address at the club's own domain, then edit its address, phone, website and crest at no charge. Read how a club keeps its course right. The same system runs a club's tee sheet and caddie yard; read how caddie management on GolfCore works.

GolfCore maps courses from public elevation data and is not affiliated with or endorsed by Seawane Club.