Breezy trades continue well into next week with limited showers directed windward and mauka during this time.
For 18Z - Moderate trades regime continues. Mostly VFR through the TAF period with some MVFR conditions with passing heavier showers/lower CIGs. Expect low CIGs and SHRA over windward and mauka slopes most areas and reflected as VCSH most TAFs.
AIRMET Tango is in effect for mod low-level turb lee of terrain and may be needed for a few days.
High pressure located far north of the waters will remain nearly stationary through the forecast period maintaining moderate to locally strong trade winds. A Small Craft Advisory (SCA) is in effect for the windier waters and channels around Maui County and the Big Island through Saturday. The SCA will likely be extended through the weekend and could be expanded to other zones around Kauai and Oahu waters early next week.
Surf along south facing shores will hold just below advisory levels today as the moderate medium to long period south swell filled in over night. The swell will slowly fade through the weekend. Another south swell similar in size is expected during the middle of next week.
Surf along east facing shores will remain choppy in response to the locally strong trade winds over and upstream of the islands. A small medium period east swell from Tropical Storm Iselle will fill in later today and hold through Saturday. Another round of east to southeast swells are possible next week but remains at high uncertainty due to the potential track and intensity of the storms.
Small Craft Advisory until 6 PM HST Saturday for Alenuihaha Channel-Big Island Leeward Waters-Big Island Southeast Waters- Maalaea Bay-Pailolo Channel.
