Thursday, July29, 2021
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Marine Weather and Tides
Laie, HI

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:03AMSunset 7:13PM Thursday July 29, 2021 4:53 AM HST (14:53 UTC) Moonrise 11:26PMMoonset 11:20AM Illumination 73% Phase: Waning Gibbous; Moon at 20 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- 326 Am Hst Thu Jul 29 2021
Today..East winds 15 knots. Wind waves 5 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Tonight..East winds 20 knots. Wind waves 6 feet. Isolated showers in the evening, then scattered showers after midnight.
Friday..East winds 20 knots. Wind waves 6 feet. Scattered showers in the morning.
Friday night..East winds 20 knots. Wind waves 6 feet. Isolated showers through the night.
Saturday..East winds 20 knots. Wind waves 6 feet. Isolated showers in the morning.
Saturday night..East winds 20 knots. Wind waves 6 feet. Isolated showers through the night.
Sunday..East winds 20 knots. Wind waves 6 to 7 feet. Isolated showers.
Monday..East winds 20 knots. Wind waves 6 to 7 feet. Scattered showers.
PHZ100 326 Am Hst Thu Jul 29 2021
Synopsis for hawaiian coastal waters.. High pressure far north of the state will continue to produce fresh to strong trade winds into early next week.


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 291337 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 337 AM HST Thu Jul 29 2021

SYNOPSIS. Moderate to breezy easterly trade winds will strengthen later today through the weekend. Clouds and showers will favor windward and mauka locations, with the best chances through the overnight and early morning periods. A return of drier trade wind conditions is anticipated Friday through early next week.

DISCUSSION. The upper trough that led to cloudy conditions over the western end of the state yesterday continues to lift northward and away from the area this morning. Plenty of middle- to upper-level dry air following it has cleared the high clouds out over Kauai and Oahu. Expect this trend to continue today with stable trade wind conditions returning. There is a large area of moisture moving into the eastern end of the state that will support decent windward and mauka shower coverage through the morning hours today. In its wake, satellite data reflects dry air farther upstream of the Big Island. Guidance has initialized well with this and has the dry air moving through from east to west tonight through Friday. This dry air combined with rising upper heights will lead to more of a suppressed and stable environment this weekend, which will limit cloud/shower windward coverage. Similar conditions will carry into next week.

AVIATION. Surface high pressure north of the islands will maintain a moderate to locally strong trade wind flow through at least tonight. AIRMET Tango for low level turb, south through west of mountains, will continue through tonight as well. Scattered to broken low clouds and showers riding in with the trades upwind of the islands will result in brief MVFR ceiling and vis, favoring the windward and mountain areas. The lee side of the Big Island can expect a couple of afternoon and evening showers as well. Tops of these clouds and showers will be around 8k feet. No other AIRMETS are anticipated today.

MARINE. A high pressure system far north of the region will slowly drift eastward and build from Friday into the weekend. Trade winds will strengthen from Friday onward. A Small Craft Advisory (SCA) remains in effect for the typically windy waters around Maui County and the Big Island. This SCA may be expanded in coverage over the next two days.

Surf along east facing shores will remain small through Friday, then trend up over the weekend in response to strengthening trades locally and upstream of the Hawaiian Islands.

Southerly swell activity will remain rather low for this time of the year with just background swells expected from the south and southeast. Nearly flat conditions will continue for north and west facing shores into early next week. Buoy 51001 observations are not showing any reflection of the potential small, west-northwest swell this morning, which supports the summertime conditions continuing.

HFO WATCHES/WARNINGS/ADVISORIES. Small Craft Advisory until 6 PM HST Friday for Maalaea Bay- Pailolo Channel-Alenuihaha Channel-Big Island Leeward Waters-Big Island Southeast Waters.



DISCUSSION . Gibbs AVIATION . H Lau MARINE . Bohlin


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
51201 - Waimea Bay, HI (106) 10 mi57 min 79°F3 ft
51207 15 mi58 min 79°F5 ft
MOKH1 - 1612480 - Mokuoloe, HI 17 mi78 min E 5.1 G 11 78°F 80°F1017.1 hPa
51211 24 mi54 min 80°F3 ft
51WH0 - WHOTS - Woods Hole Ocean Time-series 24 mi84 min 76°F 79°F1017.4 hPa69°F
OOUH1 - 1612340 - Honolulu, HI 24 mi54 min E 1 G 2.9 76°F 80°F1017.3 hPa (-1.2)
51212 25 mi58 min 81°F3 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 mi58 minNW 310.00 miOvercast72°F68°F86%1016.9 hPa
Kaneohe, Marine Corps Air Station, HI16 mi1.9 hrsE 910.00 miOvercast78°F71°F79%1015.9 hPa
Daniel K Inouye International Airport, HI21 mi61 minENE 610.00 miMostly Cloudy78°F68°F71%1016.8 hPa
Oahu, Kalaeloa Airport, HI24 mi61 minNE 410.00 miOvercast79°F68°F69%1017.8 hPa

Link to 5 minute data for PHHI

Wind History from HHI (wind in knots)
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Last 24hrCalm--CalmNE4--E7E9E11E12E13E10E7E8NE4NE5NE3CalmE4E6CalmE3CalmCalmNW3
1 day agoCalmNW4CalmE6E10
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E12E12NE10E12NE5SE3NE3N3CalmCalmSE3CalmCalmW3
2 days agoSE3CalmNE3CalmE7NE8E10NE7E7E13
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Tide / Current Tables for Laie Bay, Oahu Island, Hawaii
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Laie Bay
Click for Map
Thu -- 12:40 AM HST     0.31 feet Low Tide
Thu -- 06:03 AM HST     Sunrise
Thu -- 07:11 AM HST     1.29 feet High Tide
Thu -- 11:20 AM HST     Moonset
Thu -- 12:12 PM HST     0.86 feet Low Tide
Thu -- 06:11 PM HST     1.54 feet High Tide
Thu -- 07:12 PM HST     Sunset
Thu -- 11:25 PM HST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.30.40.60.81.11.21.31.31.210.90.90.911.11.31.51.51.51.41.10.90.6

Tide / Current Tables for Haleiwa, Waialua Bay, Oahu Island, Hawaii
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Haleiwa
Click for Map
Thu -- 12:21 AM HST     0.17 feet Low Tide
Thu -- 06:04 AM HST     Sunrise
Thu -- 07:54 AM HST     0.95 feet High Tide
Thu -- 11:20 AM HST     Moonset
Thu -- 11:53 AM HST     0.61 feet Low Tide
Thu -- 06:54 PM HST     1.15 feet High Tide
Thu -- 07:12 PM HST     Sunset
Thu -- 11:26 PM HST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.20.30.40.60.70.90.910.90.80.60.60.60.70.80.911.11.11.10.90.70.4

Weather Map
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GEOS Local Image of Hawaii    EDIT
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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