Thursday, January20, 2022
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Marine Weather and Tides
Kaneohe Station, 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 7:10AMSunset 6:14PM Thursday January 20, 2022 1:24 PM HST (23:24 UTC) Moonrise 8:59PMMoonset 9:21AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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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PHZ116 Kaiwi Channel- 952 Am Hst Thu Jan 20 2022
Rest of today..Southeast winds 15 knots. Wind waves 4 feet. Northwest swell 6 feet.
Tonight..Northeast winds 15 knots. Wind waves 4 feet. Northwest swell 6 feet. Isolated showers.
Friday..Northeast winds 10 knots. Wind waves 3 feet. Northwest swell 7 feet.
Friday night..Northeast winds 15 knots. Wind waves 3 feet. Northwest swell 10 feet increasing to 12 feet after midnight. Scattered showers.
Saturday..Northeast winds 15 knots. Wind waves 3 feet. Northwest swell 11 feet. Scattered showers.
Saturday night..Northeast winds 15 knots. Wind waves 5 feet. Northwest swell 10 feet and northeast 3 feet. Isolated showers through the night.
Sunday..Northeast winds 15 knots. Wind waves 4 to 5 feet. Northwest swell 7 to 9 feet and northeast 3 feet. Isolated showers.
Monday..Northeast winds 15 knots. Wind waves 4 feet. Northwest swell 6 feet and northeast 3 feet. Isolated showers.
PHZ100 952 Am Hst Thu Jan 20 2022
Synopsis for hawaiian coastal waters.. A surface ridge will remain nearly stationary near kauai into Friday. High pressure will pass north of the islands from late Friday into early next week.


7 Day Forecast for Marine Location Near Kaneohe Station, HI
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location: 21.47, -157.77     debug


Area Discussion for -
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FXHW60 PHFO 201940 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 940 AM HST Thu Jan 20 2022

SYNOPSIS. A weakening ridge over the state will produce one more day of light and variable winds. Expect afternoon clouds and a few spotty showers over island interior sections, while showers will be more widespread on the Big Island and Maui, especially on southeast slopes. High pressure passing north of the state will bring a return of light trade winds on Friday. Winds will increase to moderate strength trade this weekend and push an area moisture over windward slopes, followed by brief drying late Sunday into Monday. Another increase in trad wind showers is possible late Monday and Tuesday.

DISCUSSION. A surface ridge will remain over the state and produce light and variable winds for one last day. The ridge currently stretches over Kauai and is producing east to southeast winds around the Big Island that shift out of the south over the Garden Isle. An area of diffuse low level moisture is being pushed onto southeast slopes of the Big Island and Maui this morning. Expect showers to persist along these slopes today, while afternoon sea breezes produce more extensive afternoon clouds and showers along leeward Big Island and Maui as compared to the last several days. Ridging aloft will maintain stable conditions and inhibit heavy shower development. For Kauai, Oahu, and Molokai, afternoon sea breezes will lead to scant shower activity. The weakening surface ridge will hang on tonight, leading to overnight land breezes and clearing over most areas.

Friday will be a transition day, with trades staging a comeback. Surface high pressure will build north of the state while a cold front stalls and begins to dissipate within 100 miles north of Kauai. Initially, conditions will be rather dry, but moisture from the dissipating front may be pushed into windward Kauai and Oahu Friday night.

Trade winds will increase to moderate strength on Saturday as a surface ridge holds north of the state, and trades will likely shift out of the northeast on Sunday as a weak surface approaches from the east. The moisture from the dissipated front should clear out and lead to a decrease in showers Sunday afternoon. In addition, an upper level low dropping southward to the east of the state will produce increased north winds on the high summits of the Big Island.

Expect trade winds to remain in place through next week, possibly becoming breezy and gusty by Wednesday. The above mentioned surface low will fall apart, but its remaining moisture will fuel windward rainfall for parts of the state late Monday and Tuesday, especially for the Big Island and Maui.

AVIATION. With a surface ridge over the western end of the state, winds will remain light to moderate. Sea breezes will develop during the day over many areas, with land breezes taking hold in the overnight hours. Showers will mainly form over mauka and interior sections during the afternoon and early evening, with clearing as the nighttime progresses. Also, a weak east wind regime over the Big Island this morning is bringing showers into the eastern and southeastern parts of the isle.

A weak trade wind flow will likely return statewide Friday as the surface ridge moves north of the islands.

No AIRMETs are in effect, and none are anticipated through tonight.

MARINE. A surface ridge over the area will continue to support light to locally moderate winds into tonight, favoring an E to SE direction near the Big Island, and SE to S near Kauai. A weakening front moving toward the area will cause the ridge to move S and weaken and light and variable winds will prevail from tonight into Friday. A high pressure cell passing N of the area will then support moderate to locally fresh NE winds from Friday afternoon into early next week, potentially reaching Small Craft Advisory (SCA) levels over the typically windy waters around Maui County and the Big Island. The passing high will also push fragments of the front over the area, leading to an increase in showers, mainly over windward waters Friday and Saturday.

The current NW swell is on the slow decline today as available buoy observations indicate the swell is diminishing in height and period. This will only be a temporary lull however, as a powerful long-period WNW swell is expected to build Friday, peak Friday night/Saturday, then gradually diminish through Sunday. Surf heights are expected to reach or exceed High Surf Warning (HSW) criteria during the peak of the swell for exposed N and W facing shores, including the W facing shores of the Big Island. After dropping below HSW levels, continued reinforcements from the WNW may require a High Surf Advisory (HSA) through early next week. The weekend's large WNW will bring combined seas over 10 feet, requiring a SCA for seas in most zones. Additionally, a small to moderate ENE swell is possible over the weekend, generated by a gale low E of the islands. There will be also a slight increase in short period choppy surf for east facing shores as moderate to fresh trade winds return.

HFO WATCHES/WARNINGS/ADVISORIES. None.



DISCUSSION . Wroe AVIATION . Kinel MARINE . Burke/Shigesato


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
51207 1 mi59 min 78°F4 ft
MOKH1 - 1612480 - Mokuoloe, HI 3 mi49 min 0G2.9 78°F 78°F1015.5 hPa
OOUH1 - 1612340 - Honolulu, HI 13 mi55 min SSW 5.1G6 76°F 77°F1016.4 hPa
51211 16 mi55 min 79°F2 ft
51212 23 mi59 min 78°F5 ft

Wind History for Mokuoloe, HI
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Last 24 hrE3
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kaneohe, Marine Corps Air Station, HI1 mi3.5 hrsN 010.00 miFair78°F66°F67%1015.5 hPa
Daniel K Inouye International Airport, HI12 mi2.5 hrsSSE 610.00 miPartly Cloudy77°F66°F69%1017 hPa
Wheeler Air Force Base / Oahu, HI14 mi2.5 hrsSSE 610.00 miA Few Clouds76°F66°F73%1016.9 hPa
Oahu, Kalaeloa Airport, HI19 mi2.5 hrsS 410.00 miFair79°F68°F69%1018.2 hPa

Link to 5 minute data for PHNG

Wind History from HNG (wind in knots)
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Last 24 hr5SE5NE8E6SE4E30--SE5SE6SE40W300000000NE656
1 day agoNE7E5E5SE4SE5SE7SE4000000000000----E655
2 days ago--E7--E7SE8SE700SW3000000000S30--N4NE7NE7

Tide / Current Tables for Waikane, Kaneohe Bay, Oahu Island, Hawaii
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Waikane
Click for Map
Thu -- 04:02 AM HST     2.46 feet High Tide
Thu -- 07:11 AM HST     Sunrise
Thu -- 09:21 AM HST     Moonset
Thu -- 11:43 AM HST     0.37 feet Low Tide
Thu -- 04:19 PM HST     1.10 feet High Tide
Thu -- 06:13 PM HST     Sunset
Thu -- 08:58 PM HST     Moonrise
Thu -- 09:52 PM HST     0.38 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Waikane, Kaneohe Bay, Oahu Island, Hawaii, Tide feet
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Tide / Current Tables for Waimanalo, Oahu Island, Hawaii
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Waimanalo
Click for Map
Thu -- 04:33 AM HST     1.84 feet High Tide
Thu -- 07:10 AM HST     Sunrise
Thu -- 09:20 AM HST     Moonset
Thu -- 11:52 AM HST     0.14 feet Low Tide
Thu -- 04:50 PM HST     0.68 feet High Tide
Thu -- 06:13 PM HST     Sunset
Thu -- 08:58 PM HST     Moonrise
Thu -- 10:01 PM HST     0.15 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Waimanalo, Oahu Island, Hawaii, 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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