Radisson Grenada Beach Resort beach forecast: weather, water & waves
Grand Anse, Grenada · Windward Islands (St. Lucia, SVG, Grenada), St. Lucia · 12.026, -61.757
Updated : very low seaweed, beach grade A-, sea 85°F.
Veabird's call
Pick Sunday: A-, little seaweed, mostly dry and 85°F water on the northwest beach.
May and October grade B+ in a typical year, and March is busiest with spring break.
Grades from Veabird's beach forecast; wording by AI (Muse Spark), checked against the forecast. Updated Nov 13, 01:00 UTC.
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Questions about Radisson Grenada Beach Resort
Does Grand Anse get sargassum (seaweed)?
Yes, in season. At Radisson Grenada Beach Resort the typical-year risk is moderate or higher from June to August and peaks in July (moderate). How much lands varies a lot by year, wind and currents.
What are the worst and best months for seaweed at Radisson Grenada Beach Resort?
Worst: July, though even then the typical risk is moderate. Best: September through May, when the risk is usually low.
How warm is the water at Radisson Grenada Beach Resort?
About 85°F in November. The sea is warmest in September and October (about 86°F) and coolest in February and March (about 81°F).
When is the best time to visit Radisson Grenada Beach Resort?
For warm water, low seaweed and dry weather, aim for February, March, April, May and September. September is usually the quietest of those, with about 17 rainy days and a sea near 86°F; seaweed risk is low.
Does Radisson Grenada Beach Resort have a sargassum barrier or beach cleanup?
Veabird doesn't track barriers hotel by hotel; this is what the Windward Islands area does. Offshore barriers in Windward Islands: rare. Resort crews: Leeward resorts rarely affected; windward resorts rake daily. Typical clearing time: Resorts same-day.
When is hurricane season at Radisson Grenada Beach Resort, 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 Radisson Grenada Beach Resort in 14 of the 55 seasons from 1971 to 2025, and a hurricane within 58 miles in 3. The riskiest stretch is around August 13, when the chance of a storm passing in any one week is about 3%; across all of August it is about 9%. Flexible bookings and travel insurance help in the peak weeks.
What guests say about Radisson Grenada Beach Resort
Guests like Beachfront location · Friendly staff
Watch for Old fashioned rooms · Slow service
- Cleanliness
7.8 - Service
7.3 - Location
9.3 - Room Quality
7.3 - Amenities
8.3 - Value for Money
7.8 - Food and Beverage
7.8 - Overall Experience
8.3
Read all 1,938 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.
Sargassum season at Radisson Grenada Beach Resort
Sargassum risk at Radisson Grenada Beach Resort typically peaks around July (moderate: moderate or heavier seaweed on the beach in an estimated 39% of weeks). Lowest-risk months: January, February, March, April, May, September, October, November and December. 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 measured on Martinique's shores (Madininair's hydrogen-sulfide sensors beside stranding sites, 2018–2026) and scales it by how often NOAA AOML satellites see notable seaweed within about 20 km of this stretch of coast: 12% of weeks here on average, against 14% off Martinique, so 86% of that season. The satellite share (2016–2024, the top fifth of all coast-weeks, adjusted for this beach's exposure of 24%) 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 328°; 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.
St. Lucia, St. Vincent & Grenada month by month
Typical weather, water temperature, seaweed and crowds for every month: the best time to visit St. Lucia, St. Vincent & Grenada.
- St. Lucia, St. Vincent & Grenada in January
- St. Lucia, St. Vincent & Grenada in February
- St. Lucia, St. Vincent & Grenada in March
- St. Lucia, St. Vincent & Grenada in April
- St. Lucia, St. Vincent & Grenada in May
- St. Lucia, St. Vincent & Grenada in June
- St. Lucia, St. Vincent & Grenada in July
- St. Lucia, St. Vincent & Grenada in August
- St. Lucia, St. Vincent & Grenada in September
- St. Lucia, St. Vincent & Grenada in October
- St. Lucia, St. Vincent & Grenada in November
- St. Lucia, St. Vincent & Grenada in December
Weather, water & seaweed by month at Radisson Grenada Beach Resort
Average highs run from about 82°F in January and February to 86°F in September and October. The sea is warmest in September and October (about 86°F) and coolest in February and March (about 81°F). February is usually the driest, with about 16 rainy days; July is the wettest, with about 26 rainy days. Seaweed risk is usually lowest in December and highest in July.
| Month | Avg high | Sea | Rainy days | Sargassum |
|---|---|---|---|---|
| Jan | 82°F | 82°F | 18 | Very low |
| Feb | 82°F | 81°F | 16 | Very low |
| Mar | 83°F | 81°F | 17 | Low |
| Apr | 84°F | 82°F | 17 | Low |
| May | 85°F | 83°F | 17 | Low |
| Jun | 84°F | 83°F | 23 | Moderate |
| Jul | 84°F | 84°F | 26 | Moderate |
| Aug | 85°F | 85°F | 23 | Moderate |
| Sep | 86°F | 86°F | 17 | Low |
| Oct | 86°F | 86°F | 21 | Very low |
| Nov | 84°F | 85°F | 22 | Very low |
| Dec | 83°F | 83°F | 20 | 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
- Rare
- Public cleanup
- Hotel crews; Atlantic coasts (Dennery, Grenada east, Canouan windward) largely uncleared
- Resort crews
- Leeward resorts rarely affected; windward resorts rake daily
- Typical clearing time
- Resorts same-day
Safety notes
US State Dept: St. Lucia Level 1, St. Vincent & the Grenadines Level 1, Grenada Level 1 (verify)
- Petty crime in Castries/Rodney Bay nightlife; use licensed taxis
- Steep winding roads; night driving not advised
- Grenada/Carriacou south of main hurricane belt but hit by Ivan 2004, Beryl 2024
Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.
Things to do near Grand Anse, Grenada
- The Pitons & Sulphur Springs
- Tobago Cays Marine Park
- Grand Anse Beach, Grenada
- Underwater Sculpture Park, Grenada
- Pigeon Island, St. Lucia
- Bequia Admiralty Bay
Fly in for the best beach days
Suggested dates fall in December, typically the lowest-seaweed month ahead for Radisson Grenada Beach Resort. Change them to match the live forecast above.
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Nearest airports
- Maurice Bishop Intl (Grenada) (GND), ~4 km
Nearby resorts
- Seabreeze hotel Grand Anse, Grenada · 0 km
- Allamanda Beach Resort & Spa Grand Anse, Grenada · 0 km
- Coyaba Beach Resort Grand Anse, Grenada · 0 km
- Spice Island Beach Resort Grand Anse, Grenada · 1 km
- Grand Anse Beach Palace Hotel Grand Anse, Grenada · 1 km
- Silversands Grenada Grand Anse, Grenada · 1 km
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