Friday, October15, 2021
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Marine Weather and Tides
Maalaea, 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 6:20AMSunset 6:02PM Friday October 15, 2021 4:44 PM HST (02:44 UTC) Moonrise 3:27PMMoonset 2:03AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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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PHZ119 Maalaea Bay- 345 Pm Hst Fri Oct 15 2021
.small craft advisory in effect through Saturday afternoon...
Tonight..North winds to 25 knots. Wind waves 3 feet.
Saturday..North winds to 25 knots. Wind waves 3 feet.
Saturday night..North winds 20 knots. Wind waves 3 feet in the evening then 2 feet or less. Isolated showers.
Sunday..North winds to 25 knots. Wind waves 3 feet.
Sunday night..North winds to 25 knots. Wind waves 3 feet in the evening then 2 feet or less.
Monday..North winds 20 knots. Wind waves 2 feet or less.
Monday night..North winds 20 knots. Wind waves 2 feet or less.
Tuesday..North winds 15 knots. Wind waves 2 feet or less.
Wednesday..Northeast winds 15 knots. Wind waves 2 feet or less.
PHZ100 345 Pm Hst Fri Oct 15 2021
Synopsis for hawaiian coastal waters.. High pressure northeast of the state will gradually weaken into early next week.


7 Day Forecast for Marine Location Near Maalaea, HI
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location: 20.78, -156.47     debug


Area Discussion for -
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FXHW60 PHFO 160147 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 347 PM HST Fri Oct 15 2021

SYNOPSIS. A breezy trade wind weather pattern is expected through the weekend as a ridge of high pressure lies to our north. Clouds and passing showers will favor windward and mauka areas. Winds will become lighter early next week as a front approaches the area from the northwest. The front may reach Kauai by around Friday with an uptick in shower activity expected.

DISCUSSION. Breezy to locally windy trade winds are expected through the weekend as a ridge high pressure lies north of the state. A trough aloft has raised the temperature inversion across the east end of the island chain as indicated by the 00Z soundings. This trough will linger over the area through the weekend. Clouds and passing showers will favor windward and mauka areas with a few brief passing showers expected over some leeward locations.

A drier and more stable airmass is forecast to be over the area early next week with a decrease in shower activity expected. A southeast moving frontal boundary will slowly approach the area next week nudging the surface ridge southward in the process. This will result in trade winds becoming lighter across the region.

The southward progression of the front may reach the vicinity of Kauai by around Friday. This would likely result in shower activity increasing over and around Kauai. In the meantime, a new high will be building in north northwest of the state with northeast trade increasing as a result.

AVIATION. High pressure northeast of the state will maintain breezy trade winds across the state through Saturday. The strongest winds are expected across Maui County and the Big Island, particularly over mountain ridges, through valleys, and in the channels. Passing showers will bring MVFR conditions at times mainly over the windward areas. For now, AIRMET Tango remains in effect for moderate low- level mechanical turbulence over and immediately south through west of mountains of all islands. Although winds may weaken slightly on Saturday, AIRMET Tango will likely remain in effect over Maui County and the Big Island.

MARINE. Locally breezy trade winds will hold into the weekend. A Small Craft Advisory remains in effect for the typically windier waters around the Big Island and Maui County through Saturday afternoon, but may need to be extended into Sunday. Trade winds are then expected to ease early next week and stay at light to moderate levels into at least midweek.

Elevated surf along the east facing shores will slowly subside to average heights by the weekend, and to below average heights early next week.

The current northwest swell is small, with only slight hints showing at the PacIOOS Waimea Bay buoy. This may provide for a very minor foot or two this weekend. A larger north-northwest swell is forecast to build Tuesday afternoon and peak Wednesday, with surf possibly nearing the advisory levels. By the end of the new work week, guidance is showing another, larger, more north to north-northeast swell arriving to the islands.

Background energy will keep small surf along south facing shores into early next week. The next small, long period south swell is forecast to reach the islands Wednesday and slowly subside through late next week.

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



DISCUSSION . Burke AVIATION . Thomas MARINE . Eaton


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KLIH1 - 1615680 - Kahului Bay, Maui, HI 8 mi56 min ENE 9.9G14 77°F 78°F1015.7 hPa

Wind History for Kahului, Kahului Harbor, HI
(wind in knots)    EDIT      (on/off)   Help
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Last
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E18
G24
E15
E19
G24
E15
G21
E14
G20
E17
G22
E16
E8
E9
G13
N5
G8
NE4
G8
N8
NE6
E9
G13
NE6
G10
NE9
E13
G18
E14
G19
E16
G22
NE11
G17
NE12
G17
NE12
G16
E10
G14
NE11
G15
1 day
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E19
G24
E20
E16
G22
NE12
G20
NE13
G17
NE12
G18
NE11
G15
NE12
G15
NE10
G13
NE11
G14
E12
G16
NE12
NE11
G14
NE10
NE11
G15
NE14
G20
E12
G20
NE15
G19
NE18
G22
NE19
G23
NE15
G20
E22
G27
NE19
G24
E20
G28
2 days
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NE18
G24
NE18
G27
NE19
G25
NE15
G22
NE17
G22
NE17
G22
NE21
NE13
G20
E17
G25
NE11
G18
NE17
G23
NE14
G23
NE12
NE13
G20
NE13
G21
NE14
G19
NE15
NE15
G19
NE18
G22
NE21
G27
E24
G31
E23
G30
E24
E18
G27

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kahului, Kahului Airport, HI9 mi50 minNE 14 G 2010.00 miPartly Cloudy81°F65°F58%1015.6 hPa

Link to 5 minute data for PHOG

Wind History from HOG (wind in knots)
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Last 24hrE17
G28
NE14
G24
NE18
G24
NE15NE14
G26
NE12NE14
G21
NE8NE9NE9NE6NE5NE9NE9NE7NE11NE13
G19
NE19
G24
NE16
G25
NE18NE18
G26
NE17
G24
NE16
G22
NE14
G20
1 day agoNE25
G34
NE17
G24
NE12NE15
G23
NE14NE12NE14NE15NE12NE11NE12NE12NE14NE13NE14NE16
G23
NE19
G23
NE17
G24
NE21
G26
NE20
G30
NE20
G30
NE23
G33
NE23
G31
NE21
G32
2 days agoNE20
G30
NE22
G33
NE25
G33
NE16
G25
NE19NE18
G27
NE23
G30
NE14
G24
NE18
G27
E7NE19
G25
NE21NE16
G23
NE15NE16NE20
G27
NE21
G28
NE16
G27
NE24
G29
NE24
G35
NE22
G36
NE23
G36
E25
G32
NE21
G35

Tide / Current Tables for Kihei, Maui (Hawaii) (2)
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Kihei
Click for Map
Fri -- 01:09 AM HST     1.33 feet High Tide
Fri -- 02:03 AM HST     Moonset
Fri -- 05:34 AM HST     0.54 feet Low Tide
Fri -- 06:21 AM HST     Sunrise
Fri -- 12:48 PM HST     2.37 feet High Tide
Fri -- 03:27 PM HST     Moonrise
Fri -- 06:01 PM HST     Sunset
Fri -- 07:33 PM HST     0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.2
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1.3
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0.8
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0.6
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0.5
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0.7
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0.9
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1.3
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1.7
11
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2.1
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2.4
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1.8
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0.6
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1


Tide / Current Tables for Kahului, Kahului Harbor, Hawaii
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Kahului
Click for Map
Fri -- 02:03 AM HST     Moonset
Fri -- 04:40 AM HST     0.52 feet Low Tide
Fri -- 06:21 AM HST     Sunrise
Fri -- 11:54 AM HST     2.48 feet High Tide
Fri -- 03:27 PM HST     Moonrise
Fri -- 06:01 PM HST     Sunset
Fri -- 06:49 PM HST     0.60 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.2
11
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1.4


Weather Map
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GEOS Local Image of Hawaii    EDIT
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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