Saturday, July21, 2018 L-36.com


Marine Weather and Tides
Kaunakakai, HI

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7/21/2018 Trying to make page Mobile Friendly

Sunrise 5:55AMSunset 7:09PM Saturday July 21, 2018 5:16 PM HST (03:16 UTC) Moonrise 2:27PMMoonset 1:20AM Illumination 68% Phase: Waxing Gibbous; Moon at 9 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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PHZ120 Pailolo Channel- 339 Pm Hst Sat Jul 21 2018
.small craft advisory in effect through early Monday morning...
Tonight..East winds to 25 knots. Wind waves 5 feet. South swell 3 feet. Isolated showers.
Sunday..East winds to 25 knots. Wind waves 5 feet. South swell 3 feet. Isolated showers in the morning. Scattered showers in the afternoon.
Sunday night..East winds to 25 knots. Wind waves 5 feet. South swell 3 feet. Isolated showers in the evening, then scattered showers after midnight.
Monday..East winds to 25 knots. Wind waves 5 feet. South swell 3 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Monday night..Northeast winds to 25 knots. Wind waves 6 feet. Isolated showers in the evening. Scattered showers after midnight.
Tuesday..East winds to 25 knots. Wind waves 6 feet. Scattered showers.
Tuesday night..Northeast winds to 25 knots. Wind waves 6 feet. Scattered showers.
Wednesday..Northeast winds to 25 knots. Wind waves 6 feet. Scattered showers.
Thursday..East winds to 25 knots. Wind waves 5 to 6 feet. Scattered showers.
PHZ100 339 Pm Hst Sat Jul 21 2018
Synopsis for hawaiian coastal waters.. High pressure far northeast of the islands will maintain moderate trade winds through the period. A disturbance passing south of the state may cause an uptick of trade winds early next week.

7 Day Forecast for Marine Location Near Kaunakakai, HI
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location: 21.09, -157.03     debug


Area Discussion for -
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Fxhw60 phfo 220151
afdhfo
area forecast discussion
national weather service honolulu hi
351 pm hst Sat jul 21 2018

Synopsis
Surface high pressure north of the islands will keep a moderate
trade wind flow in place through much of next week, with low
clouds and showers favoring windward and mauka areas. An area of
enhanced moisture embedded within the trades is forecast to spread
westward across the islands Sunday through early next week. This
will likely cause an increase in the coverage of low clouds and
showers over windward sections from Sunday night into early next
week, with an increase in shower chances over leeward areas as
well.

Discussion
Currently at the surface, a pair of high pressure areas are
centered to the north-northeast and north-northwest of the state,
with the ridge axis between the two highs around 1150 miles north
of kauai. Visible satellite imagery shows partly to mostly cloudy
skies in place. Meanwhile, radar imagery shows trade wind showers
moving into windward areas, with the highest coverage over the
eastern end of the island chain. Additionally, there are a few
showers that have developed over leeward sections of the big
island, with very little rain noted elsewhere. Main short term
concern revolves around rain chances.

Model solutions are in generally good agreement showing high
pressure holding in place north of the state through late next
week, with a few weak surface troughs or areas of low pressure
passing by well to the south of the island chain. This should
maintain a moderate trade wind flow through the remainder of the
weekend and much of next week. Fairly typical trade wind weather
can be expected through much of the period, with enhanced bands
of low clouds and showers moving through the island chain from
time to time, with the brunt of the shower activity favoring
windward and mauka areas. There will likely be an increase in
shower coverage and intensity in association with a weak surface
trough and surge in deeper moisture moving through the area
Sunday through Tuesday however, with a few more showers expected
in leeward areas well.

Aviation
Light to moderate trade wind flow will persist through 24 hours
and beyond. Clouds and scattered showers will remain focused
mainly over east through northeast facing slopes and coasts.

Isolated MVFR conditions are to be expected, especially over maui
and windward big island, otherwiseVFR conditions will prevail all
areas.

Shower activity will increase overnight across the smaller
islands while leeward big island will experience partial clearing
after sunset. No airmets in effect or anticipated overnight.

Mountain obscuration could become an issue for windward big island
on Sunday when a weak trough approaches the state from the
east.

Marine
High pressure far north of the area will continue to produce
moderate trade winds through the weekend and on into early next
week. A small craft advisory has been posted for the typically
windy waters around maui county through Sunday night. This may
need to be expanded to include some other zones on Monday as a
slight increase in trade winds is expected.

A new long period south swell will continue to fill in tonight.

This swell is expected to peak on Sunday, before lowering
gradually Monday through Tuesday. A high surf advisory has been
issued for all south facing shores. Easterly trade winds will
continue to produce short period choppy surf along east facing
shores through the weekend and most of next week. Otherwise, only
small, mainly background south swells are expected Wednesday
through Saturday.

Hfo watches warnings advisories
High surf advisory until 6 pm hst Monday for niihau-kauai
windward-kauai leeward-oahu south shore-waianae coast-molokai-
lanai makai-kahoolawe-maui leeward west-maui central valley-
leeward haleakala-kona-south big island-big island north and
east-kohala.

Small craft advisory until 6 am hst Monday for maalaea bay-
pailolo channel-alenuihaha channel.

Discussion... Jelsema
aviation... Bedal
marine... Burke


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
51213 24 mi46 min 80°F4 ft
51205 32 mi46 min 79°F5 ft
KLIH1 - 1615680 - Kahului Bay, Maui, HI 33 mi34 min NE 15 G 19 78°F 81°F1014.5 hPa
51202 - Mokapu Point, HI (098) 41 mi42 min 80°F5 ft
OOUH1 - 1612340 - Honolulu, HI 47 mi34 min ENE 8.9 G 15 81°F 80°F1013.8 hPa
MOKH1 - 1612480 - Mokuoloe, HI 47 mi40 min ENE 11 G 15 80°F 81°F1015 hPa
51210 47 mi46 min 79°F5 ft
51207 47 mi22 min 79°F5 ft

Wind History for Kahului, Kahului Harbor, HI
(wind in knots)    EDIT      (on/off)   Help
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Last
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NE13
G20
NE15
G21
NE12
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NE9
G14
NE10
G17
NE12
G16
NE10
G14
NE12
G15
NE10
G14
NE7
G10
NE10
G13
NE9
NE6
E6
G10
E3
G13
NE7
G13
NE8
NE9
G14
NE14
G17
NE12
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N12
1 day
ago
NE17
G22
NE18
G24
NE15
G21
NE17
G21
NE15
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G16
NE9
G13
NE12
G17
NE8
G14
N13
G17
N14
G17
NE11
G16
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G15
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G13
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NE9
G13
NE11
G16
NE15
G21
NE18
G23
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NE21
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NE17
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G25
NE15
G24
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NE14
G18
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G24
E10
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G19
E5
G9
NE11
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G15
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NE13
G22
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NE17
G23

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kaunakakai, Molokai Airport, HI6 mi22 minNE 12 G 2510.00 miOvercast81°F68°F65%1014.9 hPa
Lanai City, Lanai Airport, HI22 mi20 minNE 23 G 2710.00 miOvercast and Windy75°F66°F74%1013.5 hPa
Lahaina - West Maui, HI22 mi31 minNNE 1310.00 miMostly Cloudy79°F69°F74%1014.6 hPa

Wind History from HMK (wind in knots)
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Last 24hrNE13
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G25
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G23
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G29
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G27
NE18
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NE13
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G21
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G25
1 day agoNE12
G24
NE13
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G23
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NE7NE5NE10N4E7E3NE11
G14
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G18
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G25
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2 days agoNE14
G25
NE13
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G23
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G28
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CalmN8NE6
G14
NE5NE9
G16
NE8NE9NE12
G20
NE16
G22
NE9
G18
NE14
G23
NE21
G28
NE13
G29
NE16
G26
NE14
G22
NE14
G25

Tide / Current Tables for Kaunakakai, Molokai (Hawaii)
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Kaunakakai
Click for Map
Sat -- 01:20 AM HST     Moonset
Sat -- 05:03 AM HST     0.06 feet Low Tide
Sat -- 05:57 AM HST     Sunrise
Sat -- 12:35 PM HST     1.87 feet High Tide
Sat -- 02:27 PM HST     Moonrise
Sat -- 07:11 PM HST     Sunset
Sat -- 07:22 PM HST     0.70 feet Low Tide
Sat -- 11:36 PM HST     0.99 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
10.80.60.30.10.10.10.30.611.41.71.81.91.71.51.210.80.70.70.80.91

Tide / Current Tables for Kamalo Harbor, Molokai Island, Hawaii
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Kamalo Harbor
Click for Map
Sat -- 01:19 AM HST     Moonset
Sat -- 04:58 AM HST     0.02 feet Low Tide
Sat -- 05:57 AM HST     Sunrise
Sat -- 12:11 PM HST     1.93 feet High Tide
Sat -- 02:27 PM HST     Moonrise
Sat -- 07:10 PM HST     Sunset
Sat -- 07:25 PM HST     0.64 feet Low Tide
Sat -- 11:06 PM HST     1.00 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
10.80.50.30.100.10.40.71.11.51.81.91.91.71.51.20.90.70.70.70.80.91

Weather Map and Satellite Images
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wmap_P
GOES 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 (23,6,7,8)
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Ground Weather Radar Station Molokai, 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.