A breezy to windy trade wind pattern will persist through at least Wednesday, then gradually wane through the rest of the week. Moisture embedded in the trades will allow showers to favor windward and mauka areas. An overall wetter pattern is possible this weekend as additional moisture is drawn over the island chain.
Gusty trade winds will continue, with light shower activity possible along windward sides of the islands. Conditions may briefly degrade to MVFR under windward showers.
AIRMET Tango is in effect for tempo moderate turbulence below 7000 feet over leeward sides of the islands as a result of the gusty winds.
A strong high pressure system far north of the Hawaiian Islands will continue to drift farther south through Wednesday and keep strong and gusty trade winds in the regional forecast through at least Thursday. A Gale Warning has been extended through Wednesday afternoon for windier waters and channels around the island of Maui as satellite winds continue to show gale force winds through these areas. The Small Craft Advisory remains in effect for all Hawaiian Coastal Waters outside of the Gale Warning area. A slight decrease in trade wind speeds may occur Friday and Saturday as the high merges with another strong high developing far north of the state.
Surf heights along east facing shorelines will remain solidly within High Surf Advisory (HSA) criteria through at least midweek. The HSA is in effect through Wednesday night as strong upstream trades are expected to persist.
Surf will remain small along north, west and south facing shores through Saturday, as no significant swells are forecast into the weekend. However, the arrival of a small medium-period northwest swell may bring a slight uptick in surf along north-facing shores late Wednesday through Friday.
In the extended range forecast, forerunners from the next moderate to large, long period north (010-020 degree) swell appear to arrive by late Sunday night, building swiftly to advisory levels by next week Monday, and then slowly declining into the middle of next week.
High Surf Advisory until 6 AM HST Thursday for east facing shores of Kauai, Oahu, Molokai, Maui, and the Big Island.
Wind Advisory until 6 PM HST Wednesday for Waianae Mountains- Lanai Mauka-Kahoolawe-Maui Windward West-Kohala-Big Island Interior-Koolau Leeward-Molokai Windward-Molokai Southeast- Molokai North-Molokai West-Lanai Windward-Lanai Leeward-Lanai South-Maui Central Valley North-Maui Central Valley South- Windward Haleakala-South Haleakala-Big Island South-Big Island Southeast-Big Island North.
Small Craft Advisory until 6 PM HST Wednesday for Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters- Kauai Channel-Oahu Windward Waters-Oahu Leeward Waters-Kaiwi Channel-Maui County Windward Waters-Maui County Leeward Waters- Big Island Windward Waters-Big Island Leeward Waters-Big Island Southeast Waters.
Gale Warning until 6 PM HST Wednesday for Maalaea Bay-Pailolo Channel-Alenuihaha Channel.
Small Craft Advisory until 6 PM HST Wednesday for sll remaining Hawaiian coastal waters.
