Sunday, January16, 2022
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Marine Weather and Tides
Leilani Estates, 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 6:56AMSunset 6:03PM Sunday January 16, 2022 3:44 PM HST (01:44 UTC) Moonrise 5:12PMMoonset 6:08AM Illumination 100% Phase: Full Moon; Moon at 14 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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PHZ122 Big Island Windward Waters- 950 Am Hst Sun Jan 16 2022
.small craft advisory in effect for high seas through late this afternoon...
Rest of today..Southeast winds 10 knots. Wind waves 3 feet. Northwest swell 10 feet. Isolated showers.
Tonight..Southeast winds 10 knots. Wind waves 3 feet. Northwest swell 9 feet. Isolated showers.
Monday..Southeast winds 10 knots. Wind waves 3 feet. Northwest swell 7 feet. Isolated showers.
Monday night..East winds 15 knots. Wind waves 3 feet. Northwest swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.
Tuesday..East winds 15 knots. Wind waves 3 feet. Northwest swell 6 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Tuesday night..East winds 15 knots. Wind waves 3 feet. Northwest swell 8 feet. Isolated showers in the evening, then scattered showers after midnight.
Wednesday..East winds 15 knots. Wind waves 4 feet. Northwest swell 8 to 9 feet. Scattered showers.
Thursday..East winds 10 knots. Wind waves 3 to 4 feet. Northwest swell 8 to 9 feet. Scattered showers.
PHZ100 950 Am Hst Sun Jan 16 2022
Synopsis for hawaiian coastal waters.. Weak surface high pressure over the hawaiian islands will maintain light to gentle variable breezes the next several days. An ongoing moderate size northwest swell passage will produce elevated seas over more exposed coastal waters and channels throughout the day.


7 Day Forecast for Marine Location Near Leilani Estates, HI
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location: 19.4, -154.93     debug


Area Discussion for -
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FXHW60 PHFO 161937 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 937 AM HST Sun Jan 16 2022

SYNOPSIS. Light and variable winds will continue through the week as a surface ridge remains over or just north of the islands. A land and sea breeze regime will dominate, leading to afternoon and evening clouds with spotty showers and clearing at night. Moisture associated with dissipated fronts may support better shower chances near Kauai.

DISCUSSION. A weak surface ridge is siting just north of Kauai this morning, while a flat ridge aloft is producing somewhat stable conditions with a weak inversion based around 7,000 to 8,000 feet. A dissipated front has left slightly higher low level moisture lingering around Kauai, but land breezes have cleared out skies over all islands this morning. Sea breezes will produce interior and mauka clouds this afternoon along with spotty showers, and due to the moisture pooled around Kauai, that island could see more shower activity. Showers will diminish early evening, and land breezes will leading to mostly clear conditions overnight.

The dominant land and sea breeze regime will continue through Friday, as the surface ridge stretches across or just north of the state. The Big Island will experience brief periods of east to southeast winds, but gentle and variable conditions will prevail on most islands. Showers may be slightly active on Tuesday as a front stalls and dissipates just north of Kauai and the ridge aloft temporarily erodes. Otherwise, expect showers to be spotty and favor interior areas each afternoon.

In the extended, the GFS has been showing a weakening front stalling over Kauai early Saturday, but the ECMWF depicts this feature dissipating farther north. Both models hint at a return of trade winds next weekend.

AVIATION. The latest radar and satellite trends continue to show limited shower activity across the state. Only isolated showers are expected in the vicinity of TAF sites through the remainder of the morning, as weak high pressure and land breezes dominate the region. The weak wind pattern will continue for the next couple of days, allowing for afternoon sea breeze clouds and showers for interior sections and along slopes. Land breeze development during the evenings will help diminish showers and clouds overnight. Mainly VFR conditions are expected again today with only isolated MVFR cigs possible in any heavier showers.

Currently no AIRMETs are in effect. Earlier concerns of a potential need for tempo mod upper level turbulence, have lessened as guidance continues to show the area of greatest concern shifting east of the region. However, some light upper level turb can still be expected for parts of the local area today.

MARINE. Weak surface high pressure over the Hawaiian Islands will maintain light to gentle variable breezes the next several days. This weak wind regime will allow smaller scale land and sea breezes to be the dominant flow within the island's nearshore waters through mid week. A cold front will approach the region from the northwest Tuesday and clip the far northern offshore waters later in the day. The next cold front will be stronger and arrive next weekend. This front will veer late week light to moderate east southeast winds around to the northeast by next weekend. An ongoing moderate size northwest swell passage will produce elevated seas over the more exposed coastal waters and channels throughout the day. A Small Craft Advisory for these elevated seas remains in effect for the waters surrounding Niihau and Kauai, including the windward waters and channels surrounding Oahu, Maui County and Big Island through this afternoon.

The delayed arrival of this latest northwest swell will keep high surf in place through the day. Therefore, the High Surf Advisory (HSA) for exposed north and west facing shorelines is in effect through this afternoon. This swell energy will slowly dissipate through Monday and surf will likely fall below advisory thresholds by early Monday morning. The next west northwest swell will move into the region early Tuesday and pick surf back up to HSA levels along north and west facing shores by Tuesday night. This swell energy will peak Wednesday night and then fall into Thursday. A much larger west northwest swell will be arriving on its heels Friday. This swell will easily generate HSA level surf that may potentially exceed High Surf Warning thresholds next weekend.

HFO WATCHES/WARNINGS/ADVISORIES. High Surf Advisory until 6 PM HST this evening for north and west facing shores of Niihau, Kauai, Oahu, and Molokai, and for north facing shores of Maui.

Small Craft Advisory until 6 PM HST this evening for Kauai Northwest Waters-Kauai Windward Waters-Kauai Leeward Waters- Kauai Channel-Oahu Windward Waters-Kaiwi Channel-Maui County Windward Waters-Alenuihaha Channel-Big Island Windward Waters.



DISCUSSION . Wroe AVIATION . TS MARINE . Blood


Weather Reporting Stations
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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ILOH1 - 1617760 - Hilo, HI 24 mi56 min E 6G8.9 77°F 78°F1012 hPa
51206 26 mi59 min 77°F7 ft

Wind History for Hilo, Hilo Bay, Kuhio Bay, HI
(wind in knots)    EDIT      (on/off)   Help
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Last 24 hrSE4
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hilo, Hilo International Airport, HI23 mi51 minE 1110.00 miPartly Cloudy78°F68°F71%1012.9 hPa

Link to 5 minute data for PHTO

Wind History from HTO (wind in knots)
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Last 24 hrSE9SE5S3SW5SW7SW5SW6S3000SW5SW6SW6SW5SW6SW5SW4S4E8E8E10E9E11
1 day agoE11SE9SE5S4SW5SW5SW6SW6SW3SW5SW4SW5SW6SW7SW7SW6SW6W500NE4E8E11E11
2 days agoE12SE10S3SW3SW3S3SW3SW5SW5SW5SW7SW6SW6SW9SW8SW9SW5SW64SE6SE12E11SE10E11

Tide / Current Tables for Hilo, Hawaii Island, Hawaii
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Hilo
Click for Map
Sun -- 02:36 AM HST     2.76 feet High Tide
Sun -- 06:09 AM HST     Moonset
Sun -- 06:57 AM HST     Sunrise
Sun -- 10:07 AM HST     0.39 feet Low Tide
Sun -- 02:10 PM HST     1.14 feet High Tide
Sun -- 05:11 PM HST     Moonrise
Sun -- 06:02 PM HST     Sunset
Sun -- 07:37 PM HST     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Hilo, Hawaii Island, Hawaii, Tide feet
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2.5
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2.7
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2.7
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2.1
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0.7
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0.9
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0
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0.2
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0.6
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1.1


Tide / Current Tables for Hilo, Hilo Bay, Hawaii
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Hilo
Click for Map
Sun -- 02:58 AM HST     2.78 feet High Tide
Sun -- 06:09 AM HST     Moonset
Sun -- 06:57 AM HST     Sunrise
Sun -- 09:42 AM HST     0.72 feet Low Tide
Sun -- 02:03 PM HST     1.30 feet High Tide
Sun -- 05:11 PM HST     Moonrise
Sun -- 06:02 PM HST     Sunset
Sun -- 08:10 PM HST     -0.27 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Hilo, Hilo Bay, Hawaii, Tide feet
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1.7
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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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