Wednesday, January19, 2022
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Marine Weather and Tides
Haiku-Pauwela, 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 7:03AMSunset 6:08PM Tuesday January 18, 2022 9:22 PM HST (07:22 UTC) Moonrise 7:04PMMoonset 7:52AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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- 335 Pm Hst Tue Jan 18 2022
Tonight..Northwest winds 10 knots veering northeast after midnight. Wind waves 2 feet or less.
Wednesday..Northeast winds 10 knots backing west in the afternoon. Wind waves 2 feet or less.
Wednesday night..North winds 10 knots. Wind waves 2 feet or less.
Thursday..North winds 10 knots in the morning becoming variable less than 10 knots. Wind waves 2 feet or less.
Thursday night..Winds variable less than 10 knots becoming north 10 knots after midnight. Wind waves 2 feet or less.
Friday..North winds 10 knots in the morning becoming variable less than 10 knots. Wind waves 2 feet or less.
Friday night..North winds 10 knots. Wind waves 2 feet or less.
Saturday..North winds 10 knots rising to 20 knots after midnight. Wind waves 2 feet or less. Isolated showers.
Sunday..North winds 20 knots. Wind waves 5 to 7 feet.
PHZ100 335 Pm Hst Tue Jan 18 2022
Synopsis for hawaiian coastal waters.. Weak surface high pressure over the state will produce light and variable breezes surrounding the western islands and moderate east to southeast winds around the eastern islands tonight. A series of northwest swells will move through the local waters this week and elevate seas.


7 Day Forecast for Marine Location Near Haiku-Pauwela, HI
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location: 20.92, -156.28     debug


Area Discussion for -
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FXHW60 PHFO 190631 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 831 PM HST Tue Jan 18 2022

SYNOPSIS. The light background winds with dry and stable atmospheric conditions will allow an afternoon sea breeze and nighttime land breeze weather pattern to persist through early Friday. Expect some cloud cover with a few showers over the islands each afternoon, followed by clearing skies at night. As we head into the weekend, it appears that a front moving down into the area Friday night may bring low clouds and showers along windward and mauka sections as northeast trade winds fill in across the area. Drier trade wind weather is expected by early next week.

DISCUSSION. A weak northeast to southwest oriented surface ridge is near the western end of the island chain. Elsewhere, the tail end of a weakening nearly stationary frontal system appears to be about 280 miles north-northwest of Lihue early this evening. The close proximity of the surface ridge to the islands is producing light southeast to south winds over the western end of the state, with weak east to southeast flow elsewhere. These gentle winds are allowing local land breeze circulations to set up over each of the individual islands as nighttime radiational cooling occurs after sunset. As a result, most of the residual cloud cover from earlier this afternoon has been dissipating over most land areas. There are a few showers showing up on radar near South Point on the Big Island, but these are expected to dissipate later this evening.

Water vapor imagery shows a mid-tropospheric ridge over the islands. This ridge aloft along with dry atmospheric conditions will keep the stable and dry weather pattern in place through early Friday. In addition, with the surface ridge close to the state, the light background flow will persist. This will allow alternating local afternoon sea breezes and nighttime land breezes to become established over each of the individual islands. The sea breezes will produce some low clouds and a few showers each afternoon over the islands, followed by clearing skies at night.

The forecast guidance continues to show that a new cold front will approach the state from the northwest later this week. This front is forecast to reach Kauai Friday night, then push down across the remainder of the island chain Saturday and Saturday night. At the same time, a new surface high pressure system will build in behind it. Expect low clouds and showers to increase along the front, especially over windward and mauka areas, as light to moderate northeasterly trade winds fill in. The trade winds will keep low clouds and brief showers focused over windward facing slopes for the remainder of the weekend. Looking ahead, it appears that a drier trade wind weather regime will become established by early next week.

AVIATION. Light synoptic flow in the lower levels will allow local wind effects to drive local weather. A general clearing trend is expected overnight with weak land breezes. However, interior cloudiness will return tomorrow afternoon as local sea breezes developing. An increasingly stable air mass will limit most shower development. Brief MVFR conditions are possible in showers, with VFR prevail elsewhere and otherwise.

No AIRMETs are in effect, nor expected through the forecast period.

MARINE. A surface ridge currently near Kauai and Oahu continues to support light to locally moderate winds, with large scale winds favoring an E-SE direction near the Big Island, and SE-S near Kauai. Little change is expected through Thursday. An approaching front will cause the ridge to move S and weaken Thursday night and Friday, resulting in large-scale light and variable winds. High pressure passing N of the area over the weekend will bring light to moderate NE winds into early next week. The high will likely push fragments of the front over the area, leading to a brief increase in showers, mainly over windward waters Friday and Saturday.

Winds are likely to remain below Small Craft Advisory (SCA) thresholds through the forecast period, but a rising WNW swell will push combined seas close to 10 feet in some zones on Wednesday, potentially necessitating a SCA. This swell is expected to bring High Surf to exposed N and W shores on Wednesday, including W facing shores of the Big Island, and a High Surf Advisory is posted. However, based on latest observations from buoys 51001/51101 NW of Kauai, the current forecast surf heights for Wednesday may need to be lowered. This swell will gradually diminish Wednesday through Thursday. A powerful long-period WNW swell is expected to build Friday, peak Friday night/Saturday, then gradually diminish Sunday/Monday. A High Surf Warning will likely be necessary for exposed N and W facing shores, including the W facing shores of the Big Island. Combined seas with this swell will be greater than 10 feet in most areas, thus requiring a SCA.

HFO WATCHES/WARNINGS/ADVISORIES. High Surf Advisory from 6 AM Wednesday to 6 AM HST Thursday for north and west facing shores of Niihau, Kauai, Oahu and Molokai, for north facing shores of Maui, and west facing shores of Big Island.



DISCUSSION . Houston AVIATION . TS MARINE . Birchard


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KLIH1 - 1615680 - Kahului Bay, Maui, HI 10 mi53 min NNW 6G8 74°F 78°F1014.4 hPa

Wind History for Kahului, Kahului Harbor, HI
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Last 24 hrSW4
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kahului, Kahului Airport, HI8 mi29 minE 410.00 miA Few Clouds72°F65°F79%1015.2 hPa

Link to 5 minute data for PHOG

Wind History from HOG (wind in knots)
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Last 24 hrS6S30S4S5S5S4SE60S4S30NW3N6NW7403NW5SW7S6NE3E4E4
1 day agoSE6SE5SE5SE6SE5S4S4S3SE6SE6S400N6N7N8NE8N6--N5NW4NW60S4
2 days agoE3SE3SE30000E4E3SE3S303NE8NE10N11NE9N9N8N6N40W5S4

Tide / Current Tables for Kahului, Kahului Harbor, Hawaii (2)
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Kahului
Click for Map
Wed -- 03:23 AM HST     2.65 feet High Tide
Wed -- 07:05 AM HST     Sunrise
Wed -- 08:35 AM HST     Moonset
Wed -- 10:51 AM HST     0.40 feet Low Tide
Wed -- 03:23 PM HST     1.15 feet High Tide
Wed -- 06:08 PM HST     Sunset
Wed -- 07:59 PM HST     Moonrise
Wed -- 08:47 PM HST     0.25 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Kahului, Kahului Harbor, Hawaii (2), Tide feet
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Tide / Current Tables for Kahului, Kahului Harbor, Hawaii (2) (expired 1999-12-31)
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Kahului
Click for Map
Wed -- 04:12 AM HST     2.70 feet High Tide
Wed -- 07:05 AM HST     Sunrise
Wed -- 08:35 AM HST     Moonset
Wed -- 10:46 AM HST     0.81 feet Low Tide
Wed -- 03:01 PM HST     1.34 feet High Tide
Wed -- 06:08 PM HST     Sunset
Wed -- 07:59 PM HST     Moonrise
Wed -- 09:19 PM HST     -0.27 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Kahului, Kahului Harbor, Hawaii (2) (expired 1999-12-31), Tide feet
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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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