Monday, September20, 2021
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Marine Weather and Tides
Kaunakakai, HI

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:13AMSunset 6:25PM Sunday September 19, 2021 7:30 PM HST (05:30 UTC) Moonrise 6:08PMMoonset 5:09AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PHZ120 Pailolo Channel- 328 Pm Hst Sun Sep 19 2021
.small craft advisory in effect through Tuesday afternoon...
Tonight..East winds to 25 knots. Wind waves 6 feet. Isolated showers in the evening. Scattered showers after midnight.
Monday..East winds to 25 knots. Wind waves 5 feet. Isolated showers.
Monday night..East winds to 25 knots. Wind waves 5 feet. Scattered showers in the evening. Isolated showers after midnight.
Tuesday..East winds to 25 knots. Wind waves 5 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Tuesday night..East winds to 25 knots. Wind waves 4 feet. Northwest swell 4 feet. Isolated showers through the night.
Wednesday..East winds to 25 knots. Wind waves 4 feet. Northwest swell 4 feet. Scattered showers in the morning. Isolated showers in the afternoon.
Wednesday night..East winds to 25 knots. Wind waves 5 feet. Northwest swell 4 feet. Scattered showers in the evening, then isolated showers after midnight.
Thursday..East winds 20 knots. Wind waves 5 to 6 feet. Northwest swell 3 to 4 feet. Isolated showers.
Friday..East winds 20 knots. Wind waves 6 feet. Northwest swell 3 to 4 feet. Isolated showers.
PHZ100 328 Pm Hst Sun Sep 19 2021
Synopsis for hawaiian coastal waters.. High pressure north of the state will maintain fresh to locally strong trade winds this week.


7 Day Forecast for Marine Location Near Kaunakakai, HI
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location: 21.09, -157.03     debug


Area Discussion for -
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FXHW60 PHFO 200129 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 329 PM HST Sun Sep 19 2021

SYNOPSIS. Moderate to breezy trade winds will prevail through the week as high pressure holds far north of the state. Fairly typical trade wind weather will focus showers across windward slopes, with an uptick in rainfall possible in some areas on Tuesday.

DISCUSSION. Locally breezy and stable trade winds are on a gradual decline this afternoon. High pressure centered about 1700 miles northeast of the state will continue to move slowly eastward, leading to the decreasing winds into Monday, and the atmosphere will remain stable due to a ridge aloft overhead. An active band of showers that affected most islands last night and this morning has finally pushed west of Kauai. No other distinct pockets of low level moisture are noted in the trade wind flow immediately upwind of the islands, suggesting modest showers over mainly windward slopes tonight and Monday.

Some increase in showers is possible on Tuesday. Enhanced moisture passing just south of the state may brush windward Big Island and also fuel a few more showers over South Kona slopes in the afternoon. A weak and compact upper level low will pass over the western end of the island chain as well. The main impact will be increased high clouds as early as Monday, and a mid level ridge should remain strong enough to thwart any enhancement to showers.

The surface ridge north of the state will strengthen late Tuesday and Wednesday, causing trade winds to pick up again. A ridge aloft will build in from the east, providing stable conditions and favoring typical trade wind weather into next weekend.

AVIATION. High pressure centered far northeast of the area will weaken slightly over the next 24 hours, with trade winds, as a result, easing modestly into the moderate to locally breezy category over the next day or two. Showers, with accompanying MVFR conditions in lower ceilings and visibilities, will mainly affect windward and mauka sections. Some of the rain may reach leeward portions of the smaller isles and West Maui from time to time as well.

An AIRMET for low level turbulence to the lee of the mountains continues in effect as trade winds remain breezy. This one will likely be extended through the evening hours. The other AIRMET for mountain obscurations was cancelled earlier as conditions have improved.

MARINE. A ridge of high pressure far north of the state will maintain fresh to locally strong trades this week. A slight increase in wind speed is expected late Tuesday into Wednesday. Small Craft Advisory conditions will continue for the typical windier waters around Maui County and the Big Island for much of this week.

A tiny west-northwest swell will slowly decline tonight. A slightly larger northwest swell is expected to fill in late Monday and peak late Tuesday into Wednesday. Another similar or slightly larger one is possible next weekend.

Surf along south facing shores will remain below average through early next week. Small, long-period south swell energy from recent storms southeast of New Zealand is timed to arrive around midweek, allowing surf to build back to near summer averages during the second half of the week. Breezy trades will maintain choppy short-period surf along east facing shores throughout this week week.

HFO WATCHES/WARNINGS/ADVISORIES. Small Craft Advisory until 6 PM HST Tuesday for Maalaea Bay- Pailolo Channel-Alenuihaha Channel-Big Island Leeward Waters-Big Island Southeast Waters.



DISCUSSION . Wroe AVIATION . Kinel MARINE . TS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KLIH1 - 1615680 - Kahului Bay, Maui, HI 33 mi49 min E 8.9 G 17 78°F 80°F1015.9 hPa
51207 47 mi35 min 79°F6 ft
MOKH1 - 1612480 - Mokuoloe, HI 47 mi55 min E 12 G 17 79°F 81°F1016.3 hPa
OOUH1 - 1612340 - Honolulu, HI 47 mi49 min ENE 4.1 G 8.9 78°F 80°F1016.1 hPa

Wind History for Kahului, Kahului Harbor, HI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kaunakakai, Molokai Airport, HI6 mi37 minNE 12 G 2410.00 miFair77°F64°F64%1016 hPa
Lanai City, Lanai Airport, HI22 mi35 minENE 1010.00 miFair72°F67°F84%1015.4 hPa

Link to 5 minute data for PHMK

Wind History from HMK (wind in knots)
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CalmNE14
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Tide / Current Tables for Kaunakakai, Molokai (Hawaii)
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Kaunakakai
Click for Map
Mon -- 03:40 AM HST     1.52 feet High Tide
Mon -- 06:03 AM HST     Moonset
Mon -- 06:16 AM HST     Sunrise
Mon -- 09:21 AM HST     0.28 feet Low Tide
Mon -- 01:54 PM HST     Full Moon
Mon -- 03:50 PM HST     2.07 feet High Tide
Mon -- 06:25 PM HST     Sunset
Mon -- 06:43 PM HST     Moonrise
Mon -- 10:15 PM HST     0.23 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.611.31.51.51.41.10.70.40.30.30.50.91.31.722.11.91.61.20.70.40.20.3

Tide / Current Tables for Kamalo Harbor, Molokai Island, Hawaii
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Kamalo Harbor
Click for Map
Mon -- 03:07 AM HST     1.58 feet High Tide
Mon -- 06:03 AM HST     Moonset
Mon -- 06:15 AM HST     Sunrise
Mon -- 09:10 AM HST     0.31 feet Low Tide
Mon -- 01:54 PM HST     Full Moon
Mon -- 03:13 PM HST     2.08 feet High Tide
Mon -- 06:25 PM HST     Sunset
Mon -- 06:42 PM HST     Moonrise
Mon -- 10:02 PM HST     0.22 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.81.11.41.61.51.310.70.40.30.40.71.11.51.92.121.81.410.60.30.20.3

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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