Watches, Warnings, and Advisories

Current Watches, Warnings and Advisories for Windward Haleakala (HIZ020) Hawaii Issued by the National Weather Service


High Surf Warning High Surf Warning - Windward Haleakala (Hawaii)

Updated:Mon, 18-Mar-2019 4:32am HST
Effective:Mon, 18-Mar-2019 4:32am HST
Expires:Mon, 18-Mar-2019 6:00pm HST

Areas affected: Big Island North and East; Kauai Leeward; Kauai Windward; Maui Central Valley; Maui Windward West; Molokai Leeward; Molokai Windward; Niihau; Oahu Koolau; Oahu North Shore; Waianae Coast; Windward Haleakala
Instructions: These dangerous conditions mean that only highly experienced persons should enter the water. Inexperienced persons should remain off beaches and adjacent beachfront areas. Large breaking surf, significant shorebreak, and dangerous currents make entering the water very hazardous.

Message summary: ...high surf warning for north and west facing shores of niihau kauai oahu and molokai and for north facing shores of maui and the big island...
...high surf advisory for the west facing shores of the big island...
.the large north-northwest swell has peaked and begun to slowly lower early this morning. Warning-level surf will continue today, then lower to advisory levels by tuesday along exposed north and west facing shores.
...high surf warning remains in effect until 6 pm hst this evening...
* surf...25 to 40 feet this morning, lowering to 18 to 24 feet tonight along north and west facing shores of niihau and kauai, and along north facing shores of oahu, molokai, and maui. 15 to 25 feet this morning, lowering to 8 to 12 feet tonight along exposed north facing shores of the big island. 15 to 25 feet this morning, lowering to 12 to 18 feet tonight along west facing shores of oahu and molokai.
* timing...through this afternoon.
* impacts...very high...expect ocean water surging and sweeping across beaches, coastal benches, and lava flows creating the potential for impacts to coastal properties and infrastructure, including roadways. Powerful longshore and rip currents will be present at most beaches.
...view the complete message

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Source: NWS Watches, Warnings or Advisories for zone HIZ020

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