Oliver Hotel beach & sargassum forecast
San Juan, PR · Puerto Rico, Puerto Rico · 18.466, -66.102
Seaweed, water and beach grades update every 6 hours; live conditions load below.
Also listed as The Oliver Hotel - Adults Only.
Tell me when Oliver Hotel is clear
One email when the seaweed clears or the beach grades A, at most once a week per beach. We only ask for your email address, and every email has a one-click unsubscribe.
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Questions about Oliver Hotel
Does Oliver Hotel get sargassum (seaweed)?
Only a little in most years. At Oliver Hotel the typical-year risk stays low, even around July, the usual peak (moderate or heavier seaweed on the beach in an estimated 11% of weeks). Landings vary by year, wind and currents.
How warm is the water at Oliver Hotel?
About 86°F in October. The sea is warmest in September and October (about 86°F) and coolest in February, March and April (about 81°F).
When is the best time to visit Oliver Hotel?
For warm water and dry weather, aim for January, February, March, June and December. June is usually the quietest of those, with about 15 rainy days and a sea near 83°F.
When is hurricane season in Puerto Rico?
The Atlantic hurricane season runs June through November and peaks around September. Veabird rates the storm risk in Puerto Rico as moderate compared with the other beaches it covers; flexible bookings and travel insurance help in the peak months.
What guests say about The Oliver Hotel - Adults Only
Guests like Good location · Comfortable room
Watch for Poor cleanliness · Inconsistent service
- Cleanliness
6.1 - Service
8.1 - Location
10.0 - Room Quality
9.1 - Amenities
7.1 - Value for Money
9.1 - Food and Beverage
9.6 - Overall Experience
9.7
Read all 97 reviews · Compare on Expedia
Scores and reviews come from guests who stayed, through LiteAPI (Nuitée). The likes, watch-fors and category scores are an AI summary of those reviews. Partner links: Veabird may earn a commission.
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Sargassum season at Oliver Hotel
Low sargassum risk year-round at Oliver Hotel: even around July, the usual peak, Veabird estimates moderate or heavier seaweed on the beach in about 11% of weeks. Actual landings vary a lot by year, wind and currents; check the live conditions above.
Estimated share of weeks in each month with moderate or heavier seaweed on the beach. Veabird takes the landing season seen on Quintana Roo's beaches (a Puerto Morelos beach camera, 2015–2020, and the Mexican Navy's beach alerts, 2022–2026), the nearest coast with a multi-year beach record (this one has none), and scales it by how often NOAA AOML satellites see notable seaweed within about 20 km of this stretch of coast: 9% of weeks here on average, against 54% off Quintana Roo, so 17% of that season. The satellite share (2016–2024, the top fifth of all coast-weeks, adjusted for this beach's exposure of 42%) measures seaweed offshore, not on the sand: off the Riviera Maya it reads high even in winter, when little lands. Very low under 10%, Low 10–24%, Moderate 25–44%, High 45–69%, Very high 70%+. Beach faces 31°; onshore winds from that direction push seaweed ashore. The satellite record as open data.
Weather, water & seaweed by month at Oliver Hotel
Average highs run from about 82°F in January and February to 87°F in June, August, September and October. The sea is warmest in September and October (about 86°F) and coolest in February, March and April (about 81°F). January is usually the driest, with about 14 rainy days; September and October are the wettest, with about 21 rainy days.
| Month | Avg high | Sea | Rainy days | Sargassum |
|---|---|---|---|---|
| Jan | 82°F | 82°F | 14 | Very low |
| Feb | 82°F | 81°F | 15 | Very low |
| Mar | 83°F | 81°F | 16 | Very low |
| Apr | 84°F | 81°F | 19 | Very low |
| May | 86°F | 82°F | 18 | Very low |
| Jun | 87°F | 83°F | 15 | Low |
| Jul | 86°F | 84°F | 18 | Low |
| Aug | 87°F | 85°F | 19 | Very low |
| Sep | 87°F | 86°F | 21 | Very low |
| Oct | 87°F | 86°F | 21 | Very low |
| Nov | 85°F | 85°F | 18 | Very low |
| Dec | 83°F | 83°F | 17 | Very low |
Monthly averages from 6 years of ERA5 reanalysis (Open-Meteo) for this area's 0.5° grid cell; rainy days have at least 1 mm (0.04 in). Sargassum is the typical-year estimate described above. Any given year can differ.
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 San Juan, 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 are a week in December. Change them to match the live forecast above.
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Nearest airports
- Luis Muñoz Marín Intl (San Juan) (SJU), ~11 km
Nearby resorts
- Hotel Rumbao, A Tribute Portfolio Hotel San Juan, PR · 1 km
- S.J. Suites Hotel San Juan, PR · 1 km
- Sheraton Puerto Rico Hotel & Casino San Juan, PR · 2 km
- Villa Herencia Hotel San Juan, PR · 2 km
- Hyatt House San Juan San Juan, PR · 2 km
- Caribe Hilton San Juan, PR · 2 km
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