Friday, March24, 2017 L-36.com


Marine Weather and Tides
Laie, HI

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:29AMSunset 6:46PM Friday March 24, 2017 4:08 AM HST (14:08 UTC) Moonrise 4:10AMMoonset 3:50PM Illumination 10% Phase: Waning Crescent; Moon at 27 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- 325 Am Hst Fri Mar 24 2017
Today..East winds 15 kt. Wind waves 5 ft. Northwest swell 5 ft. Scattered showers in the morning...then isolated showers in the afternoon.
Tonight..East winds 15 kt. Wind waves 4 ft. Northwest swell 4 ft. Isolated showers through the night.
Saturday..East winds 20 kt. Wind waves 5 ft. Northwest swell 5 ft increasing to 8 ft in the afternoon. Isolated showers in the morning.
Saturday night..East winds 20 kt. Wind waves 7 ft. Northwest swell 10 ft. Scattered showers.
Sunday..East winds 20 kt. Wind waves 7 ft. Northwest swell 11 ft. Scattered showers in the morning...then isolated showers in the afternoon.
Sunday night..East winds 20 kt. Wind waves 6 ft. Northwest swell 10 ft. Scattered showers.
Monday..East winds 15 kt. Wind waves 5 to 6 ft. Northwest swell 7 to 9 ft. Scattered showers.
Tuesday..East winds 20 kt. Wind waves 6 ft. Northwest swell 7 to 8 ft. Scattered showers.
PHZ100 325 Am Hst Fri Mar 24 2017
Synopsis for hawaiian coastal waters.. A ridge north of the state will weaken today with a new high building north of the area this weekend. This high will shift eastward and produce moderate to locally strong trade winds this weekend and early next week. A very large west northwest swell will affect the area beginning Saturday.

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


Area Discussion for -
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Fxhw60 phfo 240637
afdhfo
area forecast discussion
national weather service honolulu hi
830 pm hst Thu mar 23 2017

Synopsis
A trade wind weather regime will continue at least through the
upcoming weekend. Showers riding in with the winds will favor the
windward and mountain areas, especially during the night and morning
hours. The strength of the trades will increase to moderate to
locally strong briefly for the next couple of days.

Discussion
A line of low clouds continues to affect windward maui and big
island, and to a lesser extend, windward molokai this evening,
bringing some persistent showers to those areas. Radar data
indicated windward east maui and well as west maui are seeing the
most of these showers. Gages in those areas are not picking up much
rainfall though, with only one site on west maui reporting nearly a
quarter of an inch in the past three hours. Satellite imagery
revealed this line of low clouds extending some distances east of
the islands. Therefore, expect the clouds and showers to continue to
affect those areas through rest of the evening into early Friday
morning. Some of these low clouds will eventually reach windward
oahu and even kauai, though it will probably be early Friday. Rather
fair weather continues for rest of the state and will stay that way
through early Friday. There are still some high clouds over the big
island and these will exit east of the state overnight.

A surface high pressure currently north-northeast of the islands
will move to far northeast of the area Friday, then back build a bit
westward over the rest of the weekend before settling off the west
coast early next week. In the mean time, trade winds will prevail
across the area. This high is expected to strengthen a bit over the
weekend, resulting in trade winds increasing a notch across the
state, becoming locally strong over the weekend. The aforementioned
line of low clouds will still be in the island vicinity early part
of Friday, providing clouds and showers mainly to the windward and
mountain areas. Forecast solutions hinted drier airmass may reach
the islands by the later part of Friday. Thus, an improvement in the
weather is expected for the windward areas by then.

Trade wind weather is here to stay through next week, as indicated
by forecast models. Typical low clouds embedded in the trade wind
flow will reach the islands at times, bringing some showers to
mainly windward and mountain areas. Airmass is expected to remain
somewhat stable and so rainfall amounts will not be a cause for
concern.

The trades may weaken a bit toward the later part of next week, as
forecast solutions indicate a stronger front may approach the area
from the west.

Aviation
Low clouds from an old frontal boundary are embedded within
prevailing easterly flow. These clouds will produce isolated to
scattered showers with brief periods of MVFR ceilings along
eastern slopes of all islands during the overnight period. Drier
vfr conditions expected elsewhere.

No airmets are in effect.

Marine
A new high is expected to become established to the northeast of
the islands tomorrow, which will help to strengthen winds
beginning Friday. Winds could reach small craft advisory (sca) levels
by Friday afternoon in the typical windier locations. Winds are
then expected to strengthen further this weekend with moderate to
locally breezy conditions expected, due to a new high developing
to the north of the islands.

A very large west-northwest swell is expected to build across the
island chain Saturday and Saturday night, with at least high end
advisory level surf for north and west facing shores. Surf will
be the largest on kauai and niihau, and slightly lower over the
rest of the islands due to some island shadowing. Rough and
choppy conditions will persist along east facing shores due to the
strengthening trade winds this weekend. The incoming swell will
also raise seas to SCA levels this weekend.

Hfo watches/warnings/advisories
None.

Aviation... Bohlin
marine... mballard
rest... Hui


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
51201 - Waimea Bay, HI (106) 10 mi36 min 75°F5 ft
51210 15 mi38 min 76°F3 ft
51207 15 mi43 min 75°F3 ft
MOKH1 - 1612480 - Mokuoloe, HI 17 mi92 min E 6 G 9.9 76°F 79°F1019.9 hPa
51202 - Mokapu Point, HI (098) 21 mi64 min 76°F4 ft
OOUH1 - 1612340 - Honolulu, HI 24 mi50 min NE 1.9 G 4.1 76°F 78°F1020.5 hPa

Wind History for Mokuoloe, HI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wheeler Air Force Base / Oahu, HI13 mi10 minWNW 510.00 miPartly Cloudy67°F65°F94%1018.7 hPa
Honolulu, Honolulu International Airport, HI21 mi15 minWNW 510.00 miA Few Clouds73°F66°F81%1019.5 hPa
Oahu, Kalaeloa Airport, HI24 mi15 minNNE 310.00 miFair70°F64°F82%1020.8 hPa

Wind History from HHI (wind in knots)
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Last 24hrNW3CalmNW4CalmSE4SE6E85E564E5E9E11E5N6CalmCalmCalmCalmCalmCalmN3W5
1 day agoE5E5SE3SE4E5E9E7SE654Calm5NW10
G15
N6E74NW4CalmCalmW3NW3NW4NW5Calm
2 days agoCalmCalmCalmCalmE7E13
G17
E9E9
G14
E11NE7
G15
E8
G14
E115E9E8CalmNE8E5E9CalmNE8S3E33

Tide / Current Tables for Laie Bay, Oahu Island, Hawaii
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Laie Bay
Click for Map
Fri -- 12:31 AM HST     2.08 feet High Tide
Fri -- 04:09 AM HST     Moonrise
Fri -- 06:31 AM HST     Sunrise
Fri -- 06:53 AM HST     0.46 feet Low Tide
Fri -- 12:08 PM HST     1.32 feet High Tide
Fri -- 03:50 PM HST     Moonset
Fri -- 05:56 PM HST     0.09 feet Low Tide
Fri -- 06:44 PM HST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.12.11.91.51.10.80.50.50.60.811.21.31.31.10.70.40.20.10.20.50.91.31.8

Tide / Current Tables for Haleiwa, Waialua Bay, Oahu Island, Hawaii
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Haleiwa
Click for Map
Fri -- 12:45 AM HST     1.41 feet High Tide
Fri -- 04:10 AM HST     Moonrise
Fri -- 06:29 AM HST     -0.02 feet Low Tide
Fri -- 06:32 AM HST     Sunrise
Fri -- 01:07 PM HST     0.78 feet High Tide
Fri -- 03:50 PM HST     Moonset
Fri -- 05:39 PM HST     -0.04 feet Low Tide
Fri -- 06:45 PM HST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.41.41.20.90.50.20-00.10.20.40.60.70.80.70.50.20-00.10.20.50.81.1

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
cpac_satellite

GOES Local Image of Hawaii    EDIT
Geos

Wind Forecast for (10,2,3,4)
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Ground Weather Radar Station Molokai, HI
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weather_mapweather_map weather_map

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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.