Thursday, October17, 2019 L-36.com


Marine Weather and Tides
Eleele, HI

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:27AMSunset 6:07PM Thursday October 17, 2019 8:07 AM HST (18:07 UTC) Moonrise 9:16PMMoonset 9:58AM Illumination 83% 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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PHZ113 Kauai Channel- 338 Am Hst Thu Oct 17 2019
Today..East winds 20 knots. Wind waves 5 feet. Northwest swell 3 feet and north 3 feet. Scattered showers.
Tonight..East winds 20 knots. Wind waves 5 feet. Northwest swell 3 feet and north 3 feet. Scattered showers.
Friday..East winds 20 knots. Wind waves 6 feet. Northwest swell 3 feet and north 3 feet. Scattered showers.
Friday night..East winds 15 knots. Wind waves 5 feet. Northwest swell 3 feet. SWell north 3 feet. Scattered showers.
Saturday..East winds 15 knots. Wind waves 5 feet. Northwest swell 3 feet. Scattered showers.
Saturday night..East winds 15 knots. Wind waves 5 feet. Scattered showers in the evening, then isolated showers after midnight.
Sunday..Winds variable less than 10 knots becoming east 15 knots. Wind waves 4 feet. Isolated showers.
Monday..East winds 15 knots. Wind waves 4 to 5 feet. Scattered showers.
PHZ100 338 Am Hst Thu Oct 17 2019
Synopsis for hawaiian coastal waters.. A high north of the area will maintain locally strong easterly trade winds through the week. Winds will subside early next week as a front approaches from the northwest.


7 Day Forecast for Marine Location Near Eleele, HI
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location: 21.9, -159.59     debug


Area Discussion for -
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Fxhw60 phfo 171334
afdhfo
area forecast discussion
national weather service honolulu hi
334 am hst Thu oct 17 2019

Synopsis
Breezy trade winds and passing windward showers are expected
through the weekend and into next week. Humidity and rainfall may
increase a notch over the weekend as tropical moisture moves over
the island chain.

Discussion
An old frontal boundary and an upper level trough that had brought
some bouts of heavy showers are moving west away from the state
this morning, alleviating the threat of heavy rain. High pressure
far north of the state will maintain trade winds throughout the
week and shower coverage will focus over windward and mountain
areas with a few showers reaching leeward areas.

On Saturday, a weakening front over the northwest hawaiian islands
may push the high pressure generating our trades far enough east
to shift the trade winds from the east-southeast. This slight
shift in wind direction may be enough to allow some tropical
moisture to flow over the eastern half of the state Saturday
afternoon and Sunday. This would increase humidity and trade wind
showers mainly for the big island and maui county. Otherwise,
breezy trade wind weather is expected through early next week as
the high far to the northeast re-establishes itself as our
dominant weather factor.

Aviation
Upper level low moving west of the state early this morning will
continue to provide enhanced moisture and marginal instability
to kauai westward. MVFR conditions could develop due to any
passing +shra. For the remaining islands, moderate easterly trades
will push much of the shra activity against the windward coasts
and slopes, through isolated -shra may periodically push over on
onto leeward sides.

No airmets are currently in effect.

Marine
A strong high north of the area will maintain locally strong
easterly trade winds over the coastal waters through Friday, and
possibly longer. A small craft advisory (sca) remains in effect
for maalaea bay, the pailolo and alenuihaha channels and waters
south of the big island. The SCA may need to be expanded further
and extended into the weekend. Winds are forecast to weaken
starting Saturday as the high moves farther east and a front
approaches from the northwest.

Surf is expected to remain below advisory levels along all shores
through early next week. A series of northwest, north, and south
swells will produce small surf through early next week. Surf along
east facing shores will rise a bit over the next few days as the
trades strengthen.

Hfo watches warnings advisories
Small craft advisory until 6 am hst Friday for maalaea bay-
pailolo channel-alenuihaha channel-big island leeward waters-big
island southeast waters.

Discussion... Morrison
aviation... Thomas
marine... Donaldson


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWWH1 - 1611400 - Nawiliwili, HI 13 mi56 min ENE 13 G 17 79°F 1017.4 hPa
51201 - Waimea Bay, HI (106) 80 mi32 min 78°F6 ft

Wind History for Nawiliwili, HI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lihue, Lihue Airport, HI14 mi75 minE 1410.00 miA Few Clouds79°F73°F82%1017.2 hPa
Kekaha, Pacific Missile Test Facility Barking Sands, HI15 mi72 minENE 410.00 miFair73°F68°F84%1016.5 hPa

Link to 5 minute data for PHBK

Wind History from HBK (wind in knots)
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Last 24hrE5SE7--W5NW5--S3CalmN4N3N5NE3CalmNE5NE3NE4E3E3E3NE4E4E3NE4E3
1 day ago------------------------------------------E4NE3E4
2 days agoS4NW4NW3NW7NW9NW7SW5SW8W7NW5NE3E4E4E3E4E4E5E4E3E3--------

Tide / Current Tables for Hanamaulu Bay, Kauai Island, Hawaii
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Hanamaulu Bay
Click for Map
Thu -- 06:01 AM HST     1.92 feet High Tide
Thu -- 06:34 AM HST     Sunrise
Thu -- 09:57 AM HST     Moonset
Thu -- 01:02 PM HST     0.59 feet Low Tide
Thu -- 05:36 PM HST     0.85 feet High Tide
Thu -- 06:10 PM HST     Sunset
Thu -- 09:13 PM HST     Moonrise
Thu -- 11:12 PM HST     0.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.60.91.31.61.81.91.81.61.41.10.80.70.60.60.70.80.80.80.80.60.50.40.3

Tide / Current Tables for Hanalei Bay, Kauai Island, Hawaii
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Hanalei Bay
Click for Map
Thu -- 04:50 AM HST     2.02 feet High Tide
Thu -- 06:35 AM HST     Sunrise
Thu -- 09:57 AM HST     Moonset
Thu -- 11:36 AM HST     0.59 feet Low Tide
Thu -- 04:25 PM HST     0.95 feet High Tide
Thu -- 06:11 PM HST     Sunset
Thu -- 09:14 PM HST     Moonrise
Thu -- 09:46 PM HST     0.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.71.11.51.8221.91.71.310.80.60.60.70.80.90.90.90.80.70.50.30.30.4

Weather Map
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GEOS Local Image of Hawaii    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (14,3,4,5)
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Ground Weather Radar Station Kauai, HI
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.