named water · Puerto Rico

Johns Folly Bay, St. John Island

Current conditions are outside your 15 kt wind or 2.5 ft seas limit.

Right now

updated 4:28 PM
Sky
Showers And Thunderstorms

82°F · sets 6:35 PM

Wind
Not reported

gusts not reported

Tide
Ebb

High tide 10:15 PM

Water
85.6°F

Water level not reported

Latest observations plus the current-hour NWS sky forecast. The call itself runs on the hourly forecast; nearby NDBC LAMV3 observations do not replace it.

Official advisorySmall Craft Advisory

Small Craft Advisory issued August 30 at 4:04PM AST until August 31 at 6:00AM AST by NWS San Juan PR In effect through 8/31/2026, 6:00:00 AM EDT.

Read the NWS alert

How the day develops

Available forecast · 20 kt peak wind · 0 ft peak seas · Wave character unavailable

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Right nowNo-Go

Right now. No-Go. Wind is the limiting factor. South-southeast 18 knots gusting 22, 3 knots over your 15 knot limit. showers, seas 0 feet, comfortably under the limit, tide falling, low tide at 4:13 PM.

Nearby harbors

Nearby boating conditions

Local source coverage

Marine forecast and boating conditions for Johns Folly Bay, St. John Island

Boat or Nope's preview for Johns Folly Bay, St. John Island in Puerto Rico uses nearby public marine forecast, tide, and local-weather sources for trip planning.

This named water in Puerto Rico uses 9751381 - Lameshur Bay, St John, VI (LAMV3, 1.2 NM away) for marine observations, Johns Folly Bay, St. John Island (9751274, 0.0 NM away) for tide predictions, and St Thomas/King Arpt (TIST, 15.9 NM away) for nearby aviation weather context.

Boat or Nope continuously checks the source bindings behind this planning page.