Maui Flood Warning until 6 p.m.; Flood Watch until Sunday afternoon

Maui Flood Warning until 6 p.m.:

The National Weather Service has extended a Flood Warning for the island of Maui until 6 p.m.
At 4:17 p.m., radar showed heavy showers have diminished slightly, with rain falling at rates of up to 1 inch per hour. Flooding remains ongoing. Stream levels remain high across West Maui, especially in Ukumehame Gulch and the Waiheʻe River, and emergency management reported road closures in Lahaina, Kahului, and Wailuku areas.

At 2:46 p.m., radar showed heavy showers continuing to move over western and central Maui from the southwest, with rain falling at rates of 1 to 2 inches per hour. Emergency Management reported road closures in Lahaina and near Kahakuloa, and a rapid rise in water level has been observed at Ukumehame Gulch.

At 1:33 p.m. HST, radar showed heavy showers and thunderstorms continuing to move over West Maui from the southwest, with rain falling at rates of 1 to 3 inches per hour. Emergency management reported road closures in Lahaina and near Kahakuloa. Streams may rise rapidly across West Maui, including in areas not experiencing heavy rain, and heavy rain is expected to spread to additional areas of Maui through the afternoon.

At 11:57 a.m., radar showed heavy showers and thunderstorms moving over West Maui from the south, with rain falling at rates of 1 to 3 inches per hour. Emergency management reported flooding with a road closure in Lahaina. Streams will rise rapidly across West Maui, including in areas not experiencing heavy rain, and heavy rain is expected to spread to additional areas of Maui this afternoon.

At 9:46 a.m., radar showed heavy showers moving over West Maui, with rain falling at rates of 1 to 2 inches per hour. While the rainfall is currently concentrated over West Maui, additional heavy showers are expected to spread to southern and central Maui through midday. Some locations that will experience flooding include: Kahului, Kīhei, Lahaina, Māʻalaea, Puʻunēnē, Kēōkea, Wailea, Kula, Waikapū, Pukalani, Wailuku, ʻUlupalakua, Waiehu, Mākena, Waiheʻe, Olowalu, Kahakuloa, Kāʻanapali, Honokōhau and Nāpili-Honokōwai.

Lānaʻi Flood Warning canceled at 4:32 p.m.:

The heavy rain has ended on Lānaʻi. Flooding is no longer expected to pose a threat in the short term.

Flood Warning Canceled for Molokaʻi as of 3:14 p.m.

The Flood Warning for Molokaʻi has been canceled as of 3:14 p.m. Heavy rain has diminished over Molokaʻi, and emergency management reported that Kamehameha V Highway near mile marker 7 has reopened. Flooding is no longer expected to pose a threat in the short term, though additional flooding remains possible.

Flood Watch for all islands through Sunday afternoon

The National Weather Service has issued a Flood Watch for all islands except Kauaʻi and NIʻihau hrough Sunday afternoon. 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.

Previous posts:

Lānaʻi Flood Warning until 5:45 p.m.:

The National Weather Service extended a Flood Warning for the island of Lānaʻi until 5:45 p.m. At 3:53 p.m., radar showed heavy showers have diminished over Lānaʻi, with rain falling at a rate of up to 1 inch per hour. Flash flooding is ongoing.

At 2:36 p.m., radar showed heavy showers and thunderstorms moving over Lānaʻi from the southwest, with rain rates of 1 to 2 inches per hour. Flash flooding is ongoing or expected to begin shortly.

At 11:32 a.m., radar showed heavy showers and thunderstorms moving over Lānaʻi, with rain rates of 1 to 3 inches per hour. Flash flooding is ongoing or expected to begin shortly.

At 10:33 a.m., while radar showed a brief decrease in rainfall, moderate to heavy showers are expected to redevelop over the island of Lānaʻi later this morning, with rainfall rates of 1 to 2 inches per hour expected.

At 7:36 a.m., radar showed moderate to heavy showers moving over the Island of Lanai from the south, with rainfall rates of 1 to 2 inches per hour.

At 4:54 a.m., radar showed moderate to heavy rainfall lifting north over island, with rainfall rates of 1 to 2 inches per hour.

Molokaʻi Flood Warning until 3:45 p.m.:

The National Weather Service has extended a Flood Warning for the island of Molokaʻi until 3:45 p.m. At 1:56 p.m., radar showed that heavy showers have diminished, with rain rates of 0.5 to 1 inch per hour lingering over southeast Molokaʻi. Emergency management reported the closure of Kamehameha V Highway near mile marker 7 due to flooding, and water levels at the gage in Kawela Gulch remain high.

At 12:31 p.m., radar indicated heavy rainfall with rates of 1 to 2 inches per hour over southeast Molokaʻi. Emergency management reported the closure of Kamehameha V Highway near mile marker 7 due to flooding, and rises is water levels are occurring at gages in Kawela Gulch.

At 11:16 a.m., rainfall has diminished in intensity over southeast Molokaʻi, radar indicated continued showers falling at a rate of up to 1 inch per hour. Gages at Kawela Gulch and Hālawa Stream are showing a slow decline in water levels, but flash flooding is likely continuing across portions of southeast Molokaʻi.

At 9:34 a.m., radar showed heavy rainfall with rates of 1 to 2 inches per hour over southeast Molokaʻi. Local law enforcement reported debris on the road near mile marker 7 on Kamehameha V Highway, and a gage on the Kawela Gulch is showing a rapid rise in water levels. Flash flooding is ongoing or expected to begin shortly. Some locations that will experience flash flooding include: Pūkoʻo, ʻUalapuʻe, Kamalo, Hālawa Valley, Kawela and Kalaupapa National Park.

At 6:49 a.m., radar showed moderate to heavy showers moving over Molokaʻi from the south, with rainfall rates of 1 to 2 inches per hour. Water levels in the Hālawa and Kawela streams remain elevated from earlier rainfall. Additional heavy rainfall and thunderstorms are expected today.

Special Marine Warning until 12:30 p.m.:

The National Weather Service has issued a Special Marine Warning until 12:30 p.m. for: the ʻAlenuihāhā Channel, Māʻalaea Bay, Maui County Leeward Waters, Maui County Windward Waters, and the Pailolo Channel. At 10:52 a.m., strong thunderstorms were located along a line
extending from 6 nm northwest of FAD Buoy MC to 32 nm southeast of FAD Buoy P, moving northeast at 25 knots. Wind gusts of 40 knots has been recorded.

At 9:08 a.m., a line of strong thunderstorms was located along a line extending over Lānaʻi from near Shipwreck Beach to 21 nm south of FAD Buoy MC, moving northeast at 15 knots. Wind gusts of 40 knots has been recorded.

At 8:10 a.m., a broad line of thunderstorms extends across waters around Maui, Molokaʻi and Lānaʻi. Individual thunderstorms in this area were moving north to northeast at 20 knots. Small craft could be damaged in briefly higher winds and suddenly higher waves.

Severe Thunderstorm near Lānaʻi City until 12:15 p.m.

A strong thunderstorm will impact the island of Lānaʻi through 12:15 p.m. At 11:44 a.m., Doppler radar was tracking a strong thunderstorm near Lānaʻi City moving northeast at 25 mph. Wind gusts up to 50 mph are expected. If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.

Strong Thunderstorms over Molokaʻi until 8:15 a.m.

A strong thunderstorm will impact the island of Molokaʻi through 8:15 a.m. At 7:28 a.m., Doppler radar was tracking a strong thunderstorm over moving over the Kamalo area of southeast Molokaʻi moving northeast at 20 mph. Wind gusts were observed at up to 40 mph.

Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include: Kawela, Kalaupapa National Park, Pūkoʻo, Kamalo, ʻUalapuʻe, Hālawa Valley, Kaunakakai, and Kualapuʻu.