Station Name: Kaumalapau Southwest, Lanai, HI (239)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Lanai City, HI 96763
Maui County

GPS Coordinates: 20.75, -157.003

Nearby Water Temperatures

Flood Watch issued March 21 at 4:56PM HST until March 22 at 6:00PM HST by NWS Honolulu HI

Effective: Sat March 21, 2026, 4:56 PM
Expires: Sun March 22, 2026, 7:00 AM

...FLOOD WATCH CONTINUES FOR OAHU MOLOKAI MAUI LANAI KAHOOLAWE AND THE BIG ISLAND... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through Sunday afternoon. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - A kona low west of the islands has drawn abundant moisture northward. Rounds of moderate to heavy rainfall are anticipated. The heaviest rain is expected to last through tonight, except for the Big Island where the heaviest rain is expected Sunday.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Flash Flood Warning issued March 22 at 8:15AM HST until March 22 at 11:30AM HST by NWS Honolulu HI

Effective: Sun March 22, 2026, 8:15 AM
Expires: Sun March 22, 2026, 11:30 AM

FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for... The island of Molokai in Maui County * Until 1130 AM HST. * At 815 AM HST, radar indicated heavy showers and thunderstorms continuing to move over Molokai. The most intense rainfall has been observed over southeast Molokai, where rain is falling at a rate of 1 to 2 inches per hour. Water levels remain elevated in Kawela Gulch and Halawa Stream. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. * Some locations that will experience flash flooding include... the entire island of Molokai.

Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry.

Flood Watch issued March 22 at 3:03AM HST until March 22 at 6:00PM HST by NWS Honolulu HI

Effective: Sun March 22, 2026, 3:03 AM
Expires: Sun March 22, 2026, 6:00 PM

...FLOOD WATCH CONTINUES FOR OAHU MOLOKAI MAUI LANAI KAHOOLAWE AND THE BIG ISLAND... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through this afternoon. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - A kona low, currently north of the islands, has drawn abundant moisture northward. Rounds of moderate to heavy rainfall are anticipated. The heaviest rain is expected to last through tonight.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.