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Morning Brief

Anchorage · San Juan

San Juan: northwest of La Puntilla, or Anchorage D

Bahía de San Juan is one of Puerto Rico's best hurricane harbors.

18.4599, -66.0940Compare every anchorageIn the Guide

Swell, the next three days

A planning aid, not for navigation. Height, period and direction from CariCOOS's 120 m nearshore wave model at this anchorage's position; a model, not a measurement.

Loading the swell model…

Rolly: 2 ft or more of swell at 8 s or longer, or 3 ft at any period. Some roll: 1 ft at 8 s or longer.

The anchorage

Coast Pilot depth
Not published
Charted depth
10 to 35 ft (2.9 to 10.7 m) below MLLWCharted depth below mean lower low water: most of the bottom 10–35 ft, least 10 ft, greatest 35 ft, from 6 soundings.mostly 10–35 ft0 ft = MLLW40 ft deepleast 10 ftgreatest 35 ftThe 6 charted soundings inside the area, within 0.1 nautical mile of its middle, surveyed 2018. MLLW is mean lower low water, the chart's datum: at most tides there is more water than this.
Seabed on the chart
Rock (4 chart notes)Nearest charted rock area: 0.4 nautical mile NNW.
Shelter
Bahía de San Juan is one of Puerto Rico's best hurricane harbors.Sheltered from north, northeast, east, southeast, south and west winds (NOAA hurricane harbor).
Coast Pilot hazards
Anchorage D, beside Isla Grande airport, is for small vessels with low mast height only (NOAA).
Position
18.45993, -66.09396: the charted anchorage area (Bahia de San Juan, P.R. Anchorage Area D).The Coast Pilot: "the primary anchorage is Anchorage D at the east end of San Antonio Channel".

Charted dangers within 0.5 nautical mile

8 obstructions, 8 rocks and 7 wrecks on the chart; the nearest 8, measured from the position above.

  • Dangerous wreck, 16 ft (4.8 m) over it, 0.08 nautical mile SE
  • Dangerous wreck, 14 ft (4.4 m) over it, 0.08 nautical mile ESE
  • Snag or stump, submerged, 0.1 nautical mile NNW
  • Rock, submerged, 0.1 nautical mile SE
  • Dangerous wreck, 4 ft (1.2 m) over it, 0.1 nautical mile SE
  • Dangerous wreck, 26 ft (7.9 m) over it, 0.1 nautical mile ESE
  • Dangerous wreck, 13 ft (4 m) over it, 0.1 nautical mile ESE
  • Dangerous wreck, 27 ft (8.2 m) over it, 0.2 nautical mile E

Charted areas

  • Inside an anchorage area: Bahia de San Juan, P.R. Anchorage Area D, unrestricted anchorage33 CFR 110.74c.