Wednesday, November13, 2019 L-36.com


Marine Weather and Tides
Laie, 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 6:40AMSunset 5:52PM Tuesday November 12, 2019 11:25 PM HST (09:25 UTC) Moonrise 6:22PMMoonset 6:49AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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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PHZ114 Oahu Windward Waters- 914 Pm Hst Tue Nov 12 2019
Rest of tonight..East winds 15 knots. Wind waves 4 feet. Northwest swell 3 feet. Slight chance of showers.
Wednesday..East winds 15 knots. Wind waves 4 feet. Northwest swell 3 feet. Slight chance of showers through the day.
Wednesday night..East winds 10 knots. Wind waves 3 feet. Northwest swell 4 feet. Slight chance of showers.
Thursday..Southeast winds 10 knots. Wind waves 3 feet. North swell 6 feet increasing to 8 feet in the afternoon. Slight chance of showers in the morning.
Thursday night..South winds 10 knots. Wind waves 4 feet. North swell 9 feet.
Friday..Winds variable less than 10 knots becoming southwest 10 knots in the afternoon. Wind waves 3 feet. North swell 8 feet. Slight chance of showers.
Friday night..Winds variable less than 10 knots. Wind waves 3 feet. Northwest swell 7 feet. Slight chance of showers.
Saturday..Northeast winds 10 knots. Wind waves 4 feet. Northwest swell 9 to 11 feet. Chance of showers.
Sunday..East winds 15 knots. Wind waves 5 feet. Northwest swell 8 to 10 feet. Chance of showers.
PHZ100 914 Pm Hst Tue Nov 12 2019
Synopsis for hawaiian coastal waters.. A weak ridge of high pressure will persist north of the state through Wednesday, then erode Thursday and Friday as a front approaches from the northwest. The front will stall and weaken over the area this weekend.


7 Day Forecast for Marine Location Near Laie CDP, HI
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location: 21.65, -157.93     debug


Area Discussion for -
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Fxhw60 phfo 130811 cca
afdhfo
area forecast discussion... Corrected
national weather service honolulu hi
1011 pm hst Tue nov 12 2019

Synopsis
A weak high pressure ridge north of the state will keep light
easterly winds over the region modified by overnight land breezes
and daytime sea breezes through Wednesday. A trend towards wet
weather will begin from Friday into Saturday as a cold front
approaches the islands from the northwest and a tropical
disturbance moves in from the southeast. Unsettled weather will
continue to develop across the state through the first half of
next week.

Discussion
This evenings satellite imagery continues to show a fairly stable
weather pattern in place over the hawaiian islands with a slight
enhancement of clouds and showers near kauai. A cold front
northwest of kauai will continue move closer to the islands over
the next several days. Meanwhile another low pressure system is
brewing in the tropics, 650 miles southeast of the big island, and
drifting slowly towards the state.

For tonight and tomorrow, expect overnight land breezes to clear
out clouds and showers over each island. Sea breezes will return
after sunrise with clouds building over island mountain and
interior sections. Isolated to scattered showers are forecast
mainly in the afternoon to early evening hours.

Two low pressure systems begin to converge over the state from the
west and the east. A trend towards a light southerly wind pattern
starts to develop ahead of the cold front approaching the islands
from the northwest. Light southerly winds will interact over each
island with the diurnal land and sea breezes. Isolated to
scattered showers will continue for most locations on Thursday.

Rainfall chances begin to trend higher over kauai and the big
island on Friday as deeper moisture and instability moves into the
western and eastern ends of the state.

On Saturday, medium range weather models are showing a cold front
moving into the western half of the state, while another low
pressure trough moves into the big island and maui. These two low
pressure systems will converge over the state through the weekend
causing a significant increase in unsettled weather conditions statewide.

Confidence in heavy rainfall and thunderstorm activity is growing
as the forecast time period gets closer.

Long range model guidance shows cold air moving in behind the
cold front getting trapped over the islands. This pool of cold air
in the upper levels will cause a cut off low to develop over the
islands for the first half of next week. Expect continued
unstable conditions through next week Monday and Tuesday due to
the unstable dynamics under this upper low. Island by island
impacts will depend highly upon the location and intensity of this
developing upper level system. Stay tuned for weather updates as
this long range forecast will evolve over time.

Aviation
Rain and low ceilings continue on kauai but should eventually
clear through the evening hours. Winds will be light over this
forecast period with nighttime land breezes and daytime sea
breezes expected. Afternoon showers are possible over inland areas
Wednesday afternoon. Brief, passing MVFR conditions are possible
in these areas but the rest of the state should continue withVFR
conditions through Wednesday.

Airmet sierra is in effect but should be discontinued later this
evening.

Marine
Winds will continue to remain well below small craft advisory
(sca)levels through the end of the week. Light easterly winds
will be around for another day, with more variable winds likely
for a day or so after. Then a southerly flow is possible for the
end of the week as a front approaches from the northwest. Winds
are expected to swing around to the east on Sunday and Monday,
and may get close to SCA levels over the typically windy waters
around maui county and the big island.

The current northwest swell will continue to lower through
Wednesday. A larger north-northwest swell is expected to arrive
on Thursday, peak Thursday night at advisory levels, then lower
gradually Friday and Saturday. A larger northwest swell is
expected to arrive on Saturday, peak Saturday night, then lower
gradually Sunday and Monday. Surf heights may reach low end
warning levels during the peak of this swell.

A series of small southerly swells are expected through the
remainder of the week and on through the weekend. Surf will remain
small along east facing shores due to the light winds over and
upstream of the state. Surf heights will likely rise by early next
week as high pressure build in to our north.

Hfo watches warnings advisories
None.

Discussion... Bohlin
aviation... Chevalier
marine... M ballard


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
51201 - Waimea Bay, HI (106) 10 mi50 min 78°F4 ft
51207 15 mi56 min 82°F4 ft
51210 15 mi26 min 82°F4 ft
MOKH1 - 1612480 - Mokuoloe, HI 17 mi50 min NE 1.9 G 4.1 77°F 82°F1016.6 hPa
51202 - Mokapu Point, HI (098) 21 mi26 min 82°F4 ft
51211 24 mi56 min 82°F2 ft
OOUH1 - 1612340 - Honolulu, HI 24 mi56 min E 2.9 G 5.1 79°F 82°F1016.3 hPa
51212 25 mi26 min 83°F4 ft

Wind History for Mokuoloe, HI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wheeler Air Force Base / Oahu, HI13 mi90 minN 010.00 miFair69°F67°F95%1015.6 hPa
Kaneohe, Marine Corps Air Station, HI16 mi89 minE 510.00 miA Few Clouds79°F69°F72%1015 hPa
Daniel K Inouye International Airport, HI21 mi33 minNNW 410.00 miA Few Clouds78°F68°F71%1016.2 hPa

Link to 5 minute data for PHHI

Wind History from HHI (wind in knots)
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Last 24hrNW3NW3CalmNW4NW3CalmNW3NW4CalmCalmSE3CalmCalmCalmS3S6NW8W7CalmE6CalmCalmCalmCalm
1 day agoCalmCalmNW5NW3CalmN3CalmCalmCalmCalmCalmSE4E7NE3N6E11CalmCalmCalmCalmCalmW3NW3NW4
2 days agoN3NW3NW3NW4NW3NW3NW4CalmN3CalmSE4E4CalmNW9NW8NW7--CalmCalmNE3NW3NW5NW4Calm

Tide / Current Tables for Laie Bay, Oahu Island, Hawaii
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Laie Bay
Click for Map
Wed -- 02:53 AM HST     2.31 feet High Tide
Wed -- 06:41 AM HST     Sunrise
Wed -- 07:44 AM HST     Moonset
Wed -- 09:49 AM HST     0.52 feet Low Tide
Wed -- 02:30 PM HST     1.06 feet High Tide
Wed -- 05:49 PM HST     Sunset
Wed -- 07:06 PM HST     Moonrise
Wed -- 08:08 PM HST     0.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.92.22.32.21.91.51.10.80.60.50.60.80.9110.90.70.50.20.10.20.40.8

Tide / Current Tables for Haleiwa, Waialua Bay, Oahu Island, Hawaii
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Haleiwa
Click for Map
Wed -- 03:36 AM HST     1.77 feet High Tide
Wed -- 06:42 AM HST     Sunrise
Wed -- 07:45 AM HST     Moonset
Wed -- 09:30 AM HST     0.34 feet Low Tide
Wed -- 03:13 PM HST     0.77 feet High Tide
Wed -- 05:50 PM HST     Sunset
Wed -- 07:07 PM HST     Moonrise
Wed -- 07:49 PM HST     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.41.61.71.71.61.20.80.50.40.30.40.50.60.70.80.70.50.30.100.10.30.6

Weather Map
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wmap_P
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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Wind Forecast for (4,6,7,8)
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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.