Over the next couple of days, the north facing shores of Maui will be hounded by a massive northwest swell so big that the National Weather Service has issued a high-surf warning in effect through Friday morning.

Wave activity was expected to pick up late last night and build into Friday, Dec. 20, as another advisory-level winter swell arrives to the shores of Maui. The National Weather Service has issued a high-surf warning for the north facing shores of Maui through 6 p.m. tonight.

A small craft advisory remains in effect for Māʻalaea Bay, the Pailolo Channel between Maui and Molokaʻi, the ʻAlenuihāhā Channel between Hawaiʻi and Maui, and Hawaiʻi Island leeward and southeast waters until 6 p.m. on Thursday Aug. 15, 2013.

A small craft advisory remains in effect for Māʻalaea Bay, the Pailolo Channel between Maui and Molokaʻi, the ʻAlenuihāhā Channel between Hawaiʻi and Maui, and Hawaiʻi Island leeward and windward waters until 6 p.m. on Tuesday Aug. 12, 2013.

The National Weather Service has issued a small craft advisory until 6 p.m. on Saturday, July 27, 2013, for Māʻalaea Bay, the Pailolo Channel between Maui and Molokaʻi, the ʻAlenuihāhā Channel between Hawaiʻi and Maui, and Big Island Leeward and southeast waters.

The National Weather Service has issued a small craft advisory until 6 p.m. on Monday, July 15, 2013, for the ʻAlenuihāhā Channel between Hawaiʻi Island and Maui.

Forecasters expect east winds to be blowing at 20 to 30 knots with rough seas of 7 to 11 feet.

The National Weather Service has issued a small craft advisory until 6 p.m. Monday, June 24, for Māʻalaea Bay on Maui, the Pailolo Channel between Maui and Molokaʻi, Hawaiʻi Island leeward and southeast waters, and the ʻAlenuihāhā Channel between Hawaiʻi and Maui.

Small craft advisory in effect until 6 p.m. Wednesday, June 19, for Māʻalaea Bay on Maui, the Pailolo Channel between Maui and Molokaʻi, Hawaiʻi Island leeward and southeast waters, and the ʻAlenuihāhā Channel between Hawaiʻi and Maui.

Mariners are advised of a small craft advisory in effect for Māʻalaea Bay, the ʻAlenuihāhā Channel (between Maui and Hawaiʻi Island), and the Pailolo Channel (between Maui and Molokaʻi).