VeabirdBeach

U.S. Virgin Islands sargassum & beach forecast

U.S. Virgin Islands · 24 beaches and resorts

Veabird grades 24 beaches and resorts in U.S. Virgin Islands every six hours on seaweed, water, waves, weather and crowds, including 3 area pages covering a whole stretch of beach. The most are in Charlotte Amalie, Frederiksted and Great Cruz Bay. On a typical beach here, sargassum risk is moderate or higher from April to August, peaks in June and is lowest in January and December. It varies by beach: Divi Carina Bay Beach Resort has the highest typical risk and Virgin Islands Camp Ground the lowest. Across the region, average highs run from about 85°F in January and February to 90°F in July, August and September, and the sea from about 79°F to 85°F. Rain is most likely in November and least likely in March.

Compare them on the map →

This week, beach by beach

Charlotte Amalie

Frederiksted

Great Cruz Bay

Smith Bay

Great Bay

Bolongo Bay

Christiansted

Cruz Bay

Grapetree

Magens Bay

Nazareth Bay

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

Weather, water & seaweed by month

MonthAvg highSeaChance of rainSargassum
Jan85°F80°F35%Very low
Feb85°F79°F28%Low
Mar86°F79°F25%Low
Apr87°F80°F28%Moderate
May88°F82°F35%Moderate
Jun89°F82°F30%Moderate
Jul90°F83°F38%Moderate
Aug90°F84°F42%Moderate
Sep90°F85°F45%Low
Oct89°F84°F45%Low
Nov87°F82°F48%Low
Dec86°F81°F42%Very low

Regional monthly averages from Veabird's climate table for U.S. Virgin Islands; resort pages add their own spot's numbers where available. Sargassum is the typical-year risk on the median beach here.

Seaweed cleanup & barriers

Offshore barriers
No offshore barriers; occasional booms at a few resorts
Public cleanup
Territorial DPNR / hotel crews rake affected beaches; east-end St. Croix and St. Thomas bays hit hardest
Resort crews
Large resorts clear frontage daily in season
Typical clearing time
Same-day at resorts; public beaches can lag days

Safety notes

US territory - no State Dept advisory (verify local guidance)

Things to do in U.S. Virgin Islands

Coordinates approximate; forecasts are estimates, not safety guidance.