Waikiki Beach Marriott Resort & Spa beach forecast: weather, water & waves
Waikīkī, HI · Oʻahu, United States · 21.273, -157.822
Seaweed, water and beach grades update every 6 hours; live conditions load below.
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Questions about Waikiki Beach Marriott Resort & Spa
Does Waikiki Beach Marriott Resort & Spa get sargassum (seaweed)?
No. Atlantic sargassum does not reach Hawaii.
How warm is the water at Waikiki Beach Marriott Resort & Spa?
About 80°F in October. The sea is warmest in September (about 81°F) and coolest in March (about 76°F).
When is the best time to visit Waikiki Beach Marriott Resort & Spa?
For warm water and dry weather, aim for September through February. September is usually the quietest of those, with about 15 rainy days and a sea near 81°F.
When is hurricane season in Oʻahu?
The central Pacific hurricane season runs June through November. Storms rarely reach Oʻahu; Veabird rates the risk here as low.
What guests say about Waikiki Beach Marriott Resort & Spa
Guests like Friendly and helpful staff · Good room quality · Great location
Watch for Dirty and tired hotel · Limited food options · High cost for low value
- Cleanliness
7.0 - Service
9.9 - Location
9.5 - Room Quality
8.9 - Amenities
9.0 - Value for Money
7.9 - Food and Beverage
7.0 - Overall Experience
8.9
Read all 1,146 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 Waikiki Beach Marriott Resort & Spa
Waikiki Beach Marriott Resort & Spa sits outside the reach of the Atlantic sargassum belt; seaweed landings are rare in any month.
Weather & water by month at Waikiki Beach Marriott Resort & Spa
Average highs run from about 78°F in February to 85°F in August and September. The sea is warmest in September (about 81°F) and coolest in March (about 76°F). January is usually the driest, with about 12 rainy days; April and July are the wettest, with about 20 rainy days.
| Month | Avg high | Sea | Rainy days |
|---|---|---|---|
| Jan | 79°F | 77°F | 12 |
| Feb | 78°F | 77°F | 13 |
| Mar | 79°F | 76°F | 17 |
| Apr | 80°F | 77°F | 20 |
| May | 81°F | 78°F | 19 |
| Jun | 83°F | 79°F | 16 |
| Jul | 83°F | 79°F | 20 |
| Aug | 85°F | 80°F | 16 |
| Sep | 85°F | 81°F | 15 |
| Oct | 84°F | 80°F | 15 |
| Nov | 82°F | 79°F | 14 |
| Dec | 79°F | 78°F | 13 |
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). Any given year can differ.
Cleanup & barriers
- Offshore barriers
- Not needed: Atlantic sargassum does not reach Hawaii.
- Public cleanup
- Volunteer groups (Sustainable Coastlines Hawaiʻi, Hawaiʻi Wildlife Fund) clear ocean plastic, heaviest on windward shores.
- Resort crews
- Resort crews groom beaches daily.
- Typical clearing time
- n/a
Safety notes
Domestic travel (no State Dept advisory)
- Winter swells (Nov–Mar) make north- and west-facing shores dangerous; summer swells hit south shores.
- Shorebreak and rip currents cause most visitor injuries: swim at lifeguarded beaches.
- Hawaiʻi bans sunscreens with oxybenzone and octinoxate.
- Stay 50 ft from monk seals and 10 ft from sea turtles.
- Box jellyfish can reach leeward beaches 8–10 days after a full moon.
Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.
Things to do near Waikīkī, HI
- Pearl Harbor National Memorial
- Hanauma Bay snorkeling (reservations)
- Diamond Head hike
- North Shore surf (winter)
- Lanikai & Kailua beaches
Fly in for the best beach days
Suggested dates are a week in November. Change them to match the live forecast above.
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Nearest airports
- Honolulu Intl (HNL), ~11 km
Nearby resorts
- Hotel Renew Waikīkī, HI · 0 km
- Hyatt Place Waikiki Beach Waikīkī, HI · 0 km
- Ewa Hotel Waikīkī, HI · 0 km
- 'Alohilani Resort Waikiki Beach Waikīkī, HI · 0 km
- Park Shore Waikiki Waikīkī, HI · 0 km
- Hilton Waikiki Beach Waikīkī, HI · 0 km
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