4-7+ foot
2-5 foot
0-3 foot
4-8 foot

The current north-northwest swell combined with the wind swell continues to produce relatively rough conditions along many north facing shorelines and reefs across the state. This north-northwest swell will gradually diminish today, but a longer period north- northwest swell is forecast to spread down the island chain later today. The arrival of this swell, which is forecast to peak Sunday, will likely produce surf reaching the high surf advisory criteria along north and west facing shores of Kauai and Niihau, and north facing shores of Oahu, Molokai and Maui from late tonight into Sunday. Note that this swell may also have enough of a northerly component to produce light to moderate surges in Kahului and Hilo harbors. Long range models indicate strong cyclogenesis may occur due north of the islands around the middle of next week. If this were to occur, surf would likely reach may approach the high surf warning criteria along most north facing shores from Wednesday night through Thursday. This swell may also pose a greater threat of more significant surges in the north facing harbors from Wednesday night into Friday.

Trade winds remain sufficiently strong to produce gale force winds in areas where the winds are most strongly accelerated by the terrain of the Big Island, with a small craft advisory in effect for all other marine zones. Little significant change in wind speed is expected during the next 12 hours, so the gale warning/sca are in effect through Saturday afternoon. Wind speeds on Sunday will likely drop below SCA thresholds in most zones, but lingering elevated wind waves and an increasing long period north-northwest swell will likely maintain seas near or above the 10 foot threshold for a SCA in many marine zones from tonight through Sunday. Near shore buoys in windward waters continue to show elevated rough surf primarily due to short-period wind swell produced by the strong trade winds. As a result, a high surf advisory remains in effect for east facing shores of most islands through this afternoon.

Hawaii Wave Height Model

Hawaii Swell Period Model
Hawaii Swell Height Model

Tide Predictions

High tide at Kahului was 1.8 foot at 4:22 AM early this morning, dropping to a low of -0.2 foot at 10:50 AM this morning, then rising to a high of 1.9 foot at 5:34 PM late this afternoon, before once again dropping to a low of 0.7 foot at 11:29 PM shortly before midnight

The sunrise was at 06:34 am this morning and will set at 06:36 pm this evening. The Moon is currently 4 days old, and is in a Waxing Crescent phase. The next First Quarter will occur at 5:04 PM on Tuesday, March 15th.

Hawaii Wind Report

Maui Weather

Wind: n/a at 0 mph
current observations as of 9am December 12th, 2018

Weather Outlook for Saturday

Cool and breezy trade wind weather will continue today with showers favoring windward and mauka. The trades gradually diminishing Sunday into Monday, possibly becoming light and variable Monday night into Tuesday. A cold front is expected to move down the island chain on Tuesday, bringing a brief period of showers, followed by another round of cool and breezy weather.

Strong sfc high pressure centered far N of the aloha state will keep a breezy trade wind regime in place today. Winds will continue to gradually decrease and shift to a more SE flow by Sun as the high migrates E and further away from the state. The trade showers will remain more active over windward areas of Maui and the Big Island as enhanced moisture E of the Big Island is pushed against the mountain slopes by the e/se flow.

Latest satellite imagery and model solutions show another area of moisture that is expected to move across the E and SE slopes of the Big Island and Maui starting late Mon and into Tue as winds veer further to the SE ahead of an approaching front. This front is driven by a parent trough/low complex far N of the islands tracking ENE during the next several days. This synoptic scenario will result in weakening trades, which will allow for periods of light and variable flow to develop. The front is expected to move across the island chain from NW to SE Tue and Wed. Rainfall accumulations should remain generally low.

High pressure quickly builds across the area in the wake of the fropa as the trough/low complex migrates NE and further away from the state. Expect another round of breezy, cool and mostly dry conditions as winds become N behind the front, then gradually veer to the NE during the second half of next week. The coolest temperatures and driest conditions are expected on Thu.

Central Valley (Kahului, Spreckelsville):

HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING. Windy. Sunny with isolated showers. Highs around 81. Northeast winds 15 to 30 mph. Chance of rain 20 percent.

Leeward West (Lahaina, Ka`anapali):

Partly cloudy. Windy. Isolated showers in the evening, then scattered showers after midnight. Lows 64 to 70. Northeast winds 25 to 30 mph. Chance of rain 40 percent.

Windward West (Wailuku, Waiehu):

HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING. Partly sunny. Windy. Showers likely in the morning, then scattered showers in the afternoon. Highs 67 to 79. Northeast winds 20 to 30 mph with gusts to 45 mph. Chance of rain 70 percent.

Windard Haleakala (Hana, Haiku, Makawao):

HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING. Breezy. Mostly cloudy with showers likely. Highs around 78 at the shore to around 63 at 5000 feet. East winds 15 to 25 mph with gusts to 40 mph. Chance of rain 70 percent.

Leeward Haleakala (Kihei, Wailea, Makena):

Mostly clear. Isolated showers after midnight. Lows around 66 at the shore to 49 to 55 upcountry. East winds 10 to 15 mph with gusts to 30 mph. Chance of rain 20 percent.

Haleakala Summit

Breezy. Partly cloudy with scattered showers. Lows around 46 at the visitor center to around 41 at the summit. East winds 10 to 20 mph. Chance of rain 50 percent.

Photo of the Day

Surf Photo of the Day - March 12th, 2016