Kona Coast Resort: sargassum, weather & water today
Keauhou, HI · Hawaiʻi Island (Big Island), United States · 19.569, -155.964
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Sargassum season at Kona Coast Resort
Kona Coast Resort sits outside the main path of the Atlantic sargassum belt; seaweed landings are rare in any month.
Typical-year risk from the published seasonality of the Great Atlantic Sargassum Belt × this beach's exposure (0%). Beach faces 285°; onshore winds from that direction push seaweed ashore.
| Month | Typical risk |
|---|---|
| January | Very low |
| February | Very low |
| March | Very low |
| April | Very low |
| May | Very low |
| June | Very low |
| July | Very low |
| August | Very low |
| September | Very low |
| October | Very low |
| November | Very low |
| December | Very low |
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.
- Vog (volcanic haze) can affect air quality; check the Hawaiʻi Volcano Observatory.
- Hilo side is much wetter than the Kona–Kohala resort coast.
Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.
Things to do near Keauhou, HI
- Hawaiʻi Volcanoes National Park
- Manta ray night snorkel (Kona)
- Kealakekua Bay
- Maunakea stargazing
- Punaluʻu black sand beach
Fly in for the best beach days
Suggested dates fall in October, typically the lowest-seaweed month ahead for Kona Coast Resort. Change them to match the live forecast above.
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Nearest airports
- Kona Intl (KOA), ~21 km
- Hilo Intl (ITO), ~97 km
Nearby resorts
- Outrigger Kona Resort & Spa Keauhou, HI · 1 km
- Kona By The Sea Kailua-Kona, HI · 5 km
- Royal Sea Cliff Resort by Outrigger Kailua-Kona, HI · 6 km
- Kona Reef Resort Kailua-Kona, HI · 7 km
- Royal Kona Resort Kailua-Kona, HI · 7 km
- Holiday Inn Express & Suites Kailua-Kona Kailua-Kona, HI · 8 km
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