Trunk Bay

Good

St. John, USVI

Estimates only. Not safety advice. Verify locally before entering the water. Terms & Conditions

Updated 21m ago·refreshes every 2h

Today

Good
Generated 16h 21m ago

Trunk Bay is seeing fair conditions today with minimal surf under one foot. The 13.8 mph ENE cross-shore wind is the primary factor, while the recent 0.11 inches of rainfall has had a negligible impact on the water clarity. The estimated visibility currently is 30-40 ft. The water temp is 85 and the air temp is 83.

Unlock the 7-day forecast

AM/PM ratings for every day, plus the best window to dive.

Upgrade to Pro

Wind

NESW
E 12 mph
Cross-Shore
24-hour wind Now · 12:21 AM
12a
6a
12p
6p
12a

Surf and Swell

Surf Est.
Flat
Estimated breaking wave height
HeightPeriodDir1.4 ft4sESE 107°0.9 ft8sNE 44°0.4 ft8sENE 71°

Estimated Visibility

~30-40ft
Estimate based on swell, runoff and forecast clarity at site

Rainfall

Minimal impact
0.15in / 24h
0.43" in last 72 hours

Temperature

86°
Water
83°
Air
91%
Cloud Cover

Tide · AST

0.4ft
at 12:15 AM · hover to scrub
State: Falling
Next low at 4:05 AM
-0.0ft
1.3ft
0.3ft
0.5ft
12a
6a
12p
6p
12a
Low -0.0 ft @ 4:05 AMHigh 1.3 ft @ 11:18 AM

Site Notes

Underwater trail marked with signs along the reef. North-facing — exposed to northerly swells in winter. Best on calm days. National Park entrance fee required.