Napili Surf Beach Resort: sargassum, weather & water today
Kapalua, HI · Maui, Lānaʻi & Molokaʻi, United States · 20.994, -156.667
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Sargassum season at Napili Surf Beach Resort
Napili Surf Beach 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 319°; 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.
- Lahaina is still rebuilding after the 2023 fire: respect closed areas.
- Afternoon trade winds make west Maui channels choppy.
Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.
Things to do near Kapalua, HI
- Road to Hāna
- Haleakalā sunrise (reservations)
- Molokini snorkel
- Humpback whale season (Dec–Apr)
- Lānaʻi day trip by ferry
Fly in for the best beach days
Suggested dates fall in October, typically the lowest-seaweed month ahead for Napili Surf Beach Resort. Change them to match the live forecast above.
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Nearest airports
- Kahului (Maui) (OGG), ~27 km
- Lānaʻi (LNY), ~37 km
- Molokaʻi (MKK), ~48 km
Nearby resorts
- Napili Kai Beach Resort Kapalua, HI · 0 km
- The Resort at Kapalua Bay, Maui Kapalua, HI · 1 km
- Kahana Reef Kapalua, HI · 2 km
- Royal Kahana Kapalua, HI · 3 km
- Papakea Resort Kāʻanapali, HI · 5 km
- Kaanapali Beach Club Kāʻanapali, HI · 6 km
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