Tuesday, March2, 2021
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Marine Weather and Tides
Kekaha, HI

Version 3.4
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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 6:50AMSunset 6:38PM Tuesday March 2, 2021 4:24 PM HST (02:24 UTC) Moonrise 10:04PMMoonset 9:02AM Illumination 81% Phase: Waning Gibbous; Moon at 19 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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7 Day Forecast for Marine Location Near Kekaha, HI
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location: 23.78, -166.22     debug


Area Discussion for -
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FXHW60 PHFO 030200 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 400 PM HST Tue Mar 2 2021

SYNOPSIS. Windy trade winds will persist through tonight and slowly decrease over the next few days. Locally strong trades will return Friday into the weekend and will likely further strengthen early next week. A wet trade wind pattern is expected Thursday night into the weekend due to another upper level disturbance.

DISCUSSION. A 1045 mb high building far north of the state will maintain windy conditions through tonight. Looking upstream of the state, we do have a line of showers that is expected to move in across the state this evening. These showers should be short-lived and primarily focused over windward and mountain areas. By late tonight we should see a drier air mass move back in.

For Wednesday, we should see the winds drop off slightly as the high north of the state weakens a little. Strong trade winds are still expected with some light passing showers primarily during the evening and night.

Starting Thursday night, we should see a notable increase of shower coverage as moisture from an old frontal boundary moves through the state. Friday is looking to be a rather wet day and with unstable conditions aloft, we could see an increasing threat of heavy rain through Saturday. Locally strong trade winds will also return Friday and persist through the weekend.

Long range models are hinting at another windy and wet trade wind pattern for the first half of next week. There are still some uncertainty on how windy it will get, but winds will likely increase from this weekend as a high builds northeast of the state.

AVIATION. Strong trade winds will continue to be supported by a surface high to the N, delivering stable and showery low clouds focused over windward slopes and coasts, resulting in periods of MVFR VIS/CIG. A couple of bands of moisture are likely to produce periods of enhanced showers overnight with potentially more extensive MVFR conditions along windward slopes.

AIRMET Tango remains in effect for moderate to severe low-level turbulence near and downwind of the terrain, for locally strong surface winds, and for moderate mid-level turbulence between FL220 and FL300 due to a trough aloft. Some decrease in low-level wind speed is expected tonight into Wednesday while the turbulence aloft should also diminish as the trough aloft moves E of the area. Will monitor wind speeds overnight to determine if the strong surface wind section of AIRMET Tango can be cancelled.

MARINE. A strong high pressure north of the state continues to maintain strong to local gale force trade winds. The Gale Warning has been extended through tonight. A Small Craft Advisory (SCA) remains posted for all of the remaining waters due to the combination of strong trade winds and elevated seas from the trade wind swell. The surface high will weaken slightly tonight and be replaced by another surface high far northwest of the islands. This will create a short- lived downward trend in the trades. In response, the Gale Warning will downgrade to a SCA and include all other water early tomorrow morning through tomorrow afternoon. The SCA may be scaled back briefly to typically windy waters around Big Island and Maui County tomorrow night. The building high pressure to the northwest of the state will boost trades first over waters west of Kauai then the rest of the island chain Thursday into the weekend which may warrant an expansion and continuation of the SCA.

Large trade wind-driven seas will maintain rough east shoreline surf above the 8 foot High Surf Advisory (HSA) threshold through tomorrow afternoon. As trade winds over and upstream of the islands weaken late tonight into tomorrow, surf along eastern exposures will lower to borderline HSA levels by tomorrow evening, becoming small by Thursday. Increasing easterly trade wind swell and an arriving northerly swell at the end of this week and into the weekend will provide a bump in east shoreline surf.

Moderate height, long period northwest swell will begin arriving tomorrow afternoon and evening, peaking surf along north and west- facing shores late Thursday into Friday. As mentioned above, a secondary north swell will arrive Friday, in addition to the returning trade wind swell wrap, will keep surf at, or slightly above, HSA heights end of this week and into the weekend.

Surf along south-facing shores continues to pull in some trade wind swell wrap with an expected decline tomorrow with the easing trades. A small, long period southwest swell will fill in late tomorrow through Thursday before slowly declining through the weekend which will keep south shore surf from going flat.

HFO WATCHES/WARNINGS/ADVISORIES. Wind Advisory until 6 AM HST Wednesday for Kauai-Oahu-Molokai- Lanai-Kahoolawe-Maui Windward West-Maui Leeward West-Maui Central Valley-Windward Haleakala-Leeward Haleakala-South Big Island-Big Island North and East-Kohala.

High Surf Advisory until 6 PM HST Wednesday for Kauai Windward- Oahu Koolau-Olomana-Molokai Windward-Maui Windward West-Windward Haleakala-South Big Island-Big Island North and East.

Small Craft Advisory from 6 AM to 6 PM HST Wednesday for Maalaea Bay-Pailolo Channel-Alenuihaha Channel-Big Island Leeward Waters- Big Island Southeast Waters.

Gale Warning until 6 AM HST Wednesday for Maalaea Bay-Pailolo Channel-Alenuihaha Channel-Big Island Leeward Waters-Big Island Southeast Waters.

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



DISCUSSION . Kino AVIATION . TS MARINE . Almanza


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Tide / Current Tables for East Island, French Frigate Shoals
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East Island
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Tue -- 12:18 AM HST     0.16 feet Low Tide
Tue -- 06:11 AM HST     1.07 feet High Tide
Tue -- 07:25 AM HST     Sunrise
Tue -- 10:01 AM HST     Moonset
Tue -- 12:44 PM HST     -0.08 feet Low Tide
Tue -- 07:08 PM HST     Sunset
Tue -- 07:19 PM HST     1.12 feet High Tide
Tue -- 11:04 PM HST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.20.30.60.811.110.90.60.40.1-0-0.100.20.50.811.11.110.80.6

Tide / Current Tables for
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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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