Wyndham Grand Rio Mar: sargassum, weather & water today

Río Grande, PR · Puerto Rico, Puerto Rico · 18.396, -65.743

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Sargassum season at Wyndham Grand Rio Mar

Sargassum risk at Wyndham Grand Rio Mar typically peaks around June (high in a typical year). Months most likely to see heavy seaweed: May, June, July, August. Lowest-risk months: January, February, October, November, December. Actual landings vary a lot by year, wind and currents; check the live conditions above.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Typical-year risk from the published seasonality of the Great Atlantic Sargassum Belt × this beach's exposure (55%). Beach faces 30°; onshore winds from that direction push seaweed ashore.

Month	Typical risk
January	Low
February	Low
March	Moderate
April	Moderate
May	High
June	High
July	High
August	High
September	Moderate
October	Low
November	Low
December	Low

Cleanup & barriers

Offshore barriers: None at scale
Public cleanup: Municipal and DRNA crews during heavy events; local volunteers
Resort crews: Resort crews rake hotel frontage
Typical clearing time: Same day at resorts; east/south-east beaches slower

Safety notes

US territory: no State Dept advisory; FBI/PR Police crime data — verify

Car break-ins common at beach parking and tourist sites
Rip currents cause frequent drownings on the north coast (Isla Verde, Luquillo, Isabela); few lifeguards
Power outages still occur; hotels generally have backup generators

Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.

Things to do near Río Grande, PR

Old San Juan & El Morro
El Yunque National Forest
Bioluminescent bays (Vieques Mosquito Bay, Laguna Grande)
Flamenco Beach (Culebra)
Rincón surf & whale watching
Luquillo kiosks

Fly in for the best beach days

Suggested dates fall in December, typically the lowest-seaweed month ahead for Wyndham Grand Rio Mar. Change them to match the live forecast above.

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Nearest airports

Luis Muñoz Marín Intl (San Juan) (SJU), ~28 km

Nearby resorts

St. Regis Bahia Beach Resort Río Grande, PR · 6 km
El Conquistador Resort Fajardo, PR · 13 km
The Ritz-Carlton, San Juan Isla Verde, Carolina, PR · 29 km
Fairmont El San Juan Hotel Isla Verde, Carolina, PR · 30 km
La Concha Renaissance San Juan Condado, San Juan, PR · 35 km
Condado Vanderbilt Hotel Condado, San Juan, PR · 36 km

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