S.J. Suites Hotel beach forecast: weather, water & waves
San Juan, PR · Puerto Rico, Puerto Rico · 18.465, -66.115
Updated : very low seaweed, beach grade A-, sea 85°F.
Veabird's call
Friday is the pick: little seaweed and mostly dry.
Best months ahead: January (A-) and May (A-); seaweed is usually lowest in January.
Grades from Veabird's beach forecast. Updated Nov 13, 01:00 UTC.
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Questions about S.J. Suites Hotel
Does S.J. Suites Hotel get sargassum (seaweed)?
Rarely. Veabird estimates moderate or heavier seaweed on the beach here in fewer than one week in ten in every month. Landings vary by year, wind and currents.
How warm is the water at S.J. Suites Hotel?
About 85°F in November. 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 S.J. Suites 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 at S.J. Suites Hotel, and how often do storms hit?
The Atlantic hurricane season runs June through November and peaks around September. A tropical storm passed within 86 miles of S.J. Suites Hotel in 22 of the 55 seasons from 1971 to 2025, and a hurricane within 58 miles in 8. The riskiest stretch is around August 27, when the chance of a storm passing in any one week is about 5%; across all of September it is about 14%. Flexible bookings and travel insurance help in the peak weeks.
Sargassum season at S.J. Suites Hotel
Sargassum is rare at S.J. Suites Hotel: Veabird estimates moderate or heavier seaweed on the beach in fewer than one week in ten in every month.
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: 4% of weeks here on average, against 54% off Quintana Roo, so 7% of that season. The satellite share (2016–2024, the top fifth of all coast-weeks, adjusted for this beach's exposure of 5%) 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 165°; onshore winds from that direction push seaweed ashore. Satellite sargassum data: USF Optical Oceanography Lab (Sargassum Watch System) via NOAA AOML. The satellite record as open data.
Puerto Rico month by month
Typical weather, water temperature, seaweed and crowds for every month: the best time to visit Puerto Rico.
Weather, water & seaweed by month at S.J. Suites 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 | Very low |
| Jul | 86°F | 84°F | 18 | Very 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), ~12 km
Nearby resorts
- Hotel Rumbao, A Tribute Portfolio Hotel San Juan, PR · 0 km
- Villa Herencia Hotel San Juan, PR · 0 km
- Oliver Hotel San Juan, PR · 1 km
- Sheraton Puerto Rico Hotel & Casino San Juan, PR · 3 km
- Hyatt House San Juan San Juan, PR · 3 km
- Caribe Hilton San Juan, PR · 3 km
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