Surf for east facing shores will continue to build today as the winds strengthen, with surf heights along east facing shores reaching advisory levels. Therefore, a High Surf Advisory is in effect for the east facing shores of most islands though Sunday. Elsewhere, there will be a series of small north to northwest swells through Monday, with a moderate west-northwest swell expected on Tuesday.
A Gale Warning is in effect for the typically windy coastal waters around the Big Island and Maui through early Sunday morning as trade winds strengthen a bit more today. A Small Craft Advisory (SCA) continues for the rest of the coastal waters as well. The trades will gradually weaken Sunday through Wednesday, allowing the cancellation of the Gale Warning while the areal coverage of the SCA likely being pared back to the typically windy coastal waters around Maui county and the Big Island only.
Low tide at Kahului was 0.5 foot at 12:07 AM just after midnight, rising to a high of 2.2 foot at 8:42 AM this morning, then dropping to a low of 0.9 foot at 5:10 PM late this afternoon, before once again rising to a high of 1.0 foot at 8:27 PM early this evening
The sunrise was at 06:23 am this morning and will set at 05:56 pm this evening. The Moon is currently 22 days old, and is in a Last Quarter phase. The next Waning Crescent will occur at 5:39 PM on Sunday, October 30th.
Sunset: 5:54 PM
Weather Outlook for Saturday
Trade winds will be the strongest today, as a surface high pressure far north of the state moves closer to the islands. Winds will gradually weaken early next week as the high weakens. Much of the passing showers will focus across windward and mauka areas. Some showers will reach the leeward areas of the smaller islands at times. Remnant moisture from weak frontal boundaries may reach the area at times throughout next week.
Trade winds will continue to strengthen a bit and peak later today as a strong surface high far north of the islands sags south, closer to the islands. Latest satellite imagery as well as radar data indicated more low clouds with embedded showers in the island vicinity early this morning, affecting mainly windward areas. Moreover, winds are strong enough to carry some showers to the lee areas of the smaller islands. Winds will continue to be strong enough to warrant the wind advisory for much of the state today. Strongest winds can be expected for the exposed areas as well as through the gaps in the mountains, with strong gusts possible for the lee valleys.
Winds will trend downward Sunday through Wednesday, easing to moderate to locally fresh levels, as the surface high north of the area weakens. Trade wind weather will prevail across the islands. Forecast models indicated moisture associated with weak frontal boundaries from the north may reach the state at times, bringing a possible increase in the showers. The trades may strengthen again by late next week as another strong high is expected to build well north of the Aloha state.
Central Valley (Kahului, Spreckelsville):
WIND ADVISORY IN EFFECT UNTIL 9 PM HST THIS EVENING. Windy. Sunny with isolated showers. Highs around 83. Northeast winds 25 to 30 mph with gusts to 50 mph. Chance of rain 20 percent.
Leeward West (Lahaina, Ka`anapali):
WIND ADVISORY IN EFFECT UNTIL 9 PM HST THIS EVENING. Windy. Partly sunny with scattered showers in the morning, then mostly sunny with isolated showers in the afternoon. Highs around 81. Northeast winds around 30 mph with gusts to 50 mph. Chance of rain 50 percent.
Windward West (Wailuku, Waiehu):
HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST SUNDAY… …WIND ADVISORY IN EFFECT UNTIL 9 PM HST THIS EVENING. Mostly cloudy. Windy. Numerous showers in the morning, then scattered showers in the afternoon. Highs 67 to 81. Northeast winds 20 to 30 mph with gusts to 50 mph. Chance of rain 70 percent.
Windard Haleakala (Hana, Haiku, Makawao):
HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST SUNDAY… …WIND ADVISORY IN EFFECT UNTIL 9 PM HST THIS EVENING. Mostly cloudy. Windy. Numerous showers in the morning, then scattered showers in the afternoon. Highs around 79 at the shore to around 66 at 5000 feet. East winds 10 to 30 mph with gusts to 50 mph. Chance of rain 70 percent.
Leeward Haleakala (Kihei, Wailea, Makena):
WIND ADVISORY IN EFFECT UNTIL 9 PM HST THIS EVENING. Sunny and windy. Isolated showers in the afternoon. Highs around 83 at the shore to 66 to 73 upcountry. East winds 15 to 20 mph shifting to the northeast 20 to 30 mph in the late morning and afternoon. Gusts up to 50 mph. Chance of rain 20 percent.
Breezy. Partly cloudy with scattered showers. Lows around 48 at the visitor center to around 44 at the summit. East winds around 20 mph. Chance of rain 40 percent.
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