2-4 foot
0-3 foot
0-2 foot
1-4 foot

Small northwest swell will continue through Monday, with resulting surf remaining well below advisory levels on north and west facing shores. A larger northwest swell is due to arrive early Tuesday, then peak Tuesday afternoon into Tuesday night, producing surf near advisory levels for north and west facing shores. This swell could also bring combined seas in excess of the small craft advisory criteria of 10 feet for exposed waters. The swell will then decline late Wednesday through Thursday.

Short period wind swell and rough surf will continue along east facing shores through the next several days as trade winds persist. Surf along south facing shores is expected to decrease today, then remain at typical very small wintertime levels through the upcoming week.

Trades may back off a bit Monday night and Tuesday as a weak front passes across the North Pacific well to the north of the state. SCA winds will probably then return to the windy areas around midweek, when a new high is forecast to build to our north.

Hawaii Wave Height Model

Tide Predictions

High tide at Kahului was 2.8 foot at 2:00 PM early this afternoon, dropping to a low of 0.8 foot at 2:00 PM early this afternoon, then rising to a high of 1.5 foot at 2:00 PM early this afternoon, before once again dropping to a low of -0.7 foot at 2:00 PM early this afternoon

The sunrise was at 07:01 am this morning and will set at 05:57 pm this evening. The Moon is currently 13 days old, and is in a Full Moon phase. The next Waning Gibbous will occur at 10:26 PM on Monday, January 8th.

Hawaii Wind Report

Maui Weather

79°/82°
Wind: NE at 26 mph
Sunrise: 5:45 AM
Sunset: 6:59 PM
current observations as of 1pm May 22nd, 2018

Weather Outlook for Sunday, 31st December 2017

Summary

A dry trade wind pattern is expected through much of the upcoming week as high pressure remains in control. Trades may briefly weaken over the smaller northwest islands Monday through Tuesday as a front passes to the north.

Detailed Discussion

Recently animated water vapor imagery showed plenty of middle- to upper-level dry air and northwest flow in place due to rising upper heights associated with a ridge building eastward over the region. This combined with precipitable water (PW) values remaining below an inch (drier than normal) along with a strong subsidence inversion setting between 4-5 kft continues to inhibit shower development over the typical windward locations with trades. The state rainfall summary reflects this and shows little to no accumulations over the past several hours.

The dry pattern in place is forecast to hold through much of the upcoming week as deep layer ridging remains over the region. Guidance remains in good agreement and suggests precipitable water (PW) values will remain around and under an inch. Rainfall chances have been lowered slightly as a result.

Trades have increased overnight and will hold through the day. Guidance depicts a weakness developing within the ridge axis north of the state Monday through Tuesday as a front passes to the north. This weakness may result in a brief period with lighter trades through this time, mainly over the smaller northwest islands.

Central Valley (Kahului, Spreckelsville):

Partly cloudy. Lows around 60. Northeast winds 10 to 15 mph.

Leeward West (Lahaina, Ka`anapali):

Mostly clear. Isolated showers after midnight. Lows 59 to 66. East winds 10 to 15 mph. Chance of rain 20 percent.

Windward West (Wailuku, Waiehu):

Partly cloudy. Isolated showers in the evening, then scattered showers after midnight. Lows 54 to 64. East winds 10 to 15 mph with gusts to 30 mph. Chance of rain 50 percent.

Windard Haleakala (Hana, Haiku, Makawao):

Partly cloudy with isolated showers in the evening, then mostly cloudy with scattered showers after midnight. Lows around 63 at the shore to around 48 at 5000 feet. East winds 10 to 15 mph. Chance of rain 50 percent.

Leeward Haleakala (Kihei, Wailea, Makena):

Mostly clear. Isolated showers in the evening. Lows around 63 at the shore to 47 to 52 upcountry. Light winds becoming east up to 10 mph in the late evening and overnight. Gusts up to 25 mph. Chance of rain 20 percent.

Haleakala Summit

Mostly clear. Lows 43 to 50. East winds around 15 mph.

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