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Marine Weather and Tides Haena, 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

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Sunrise 6:56AM

Sunset 5:51PM

Saturday December 7, 2019 1:15 PM HST (23:15 UTC)

Moonrise 3:11PM

Moonset 3:03AM

Illumination 84%

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.

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7 Day Forecast for Marine Location Near Haena, HI

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Area Discussion for -

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FXHW60 PHFO 071955 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 955 AM HST Sat Dec 7 2019

SYNOPSIS. A surface ridge near the area will maintain gentle winds and mostly dry weather through early next week. A front approaching from the northwest may produce rainier weather by the end of next week.

DISCUSSION. The 8 AM surface analysis shows a 1020 mb surface high 900 miles northeast of the area at 31N 146W with a ridge extending southwest to 450 miles north of Kauai. The ridge is producing locally fresh trade winds over water around the Big Island of Hawaii and light trade winds elsewhere. Skies are mostly sunny around the islands this morning.

The ridge will shift south slowly over the next few days ahead of a front approaching from the northwest. The ridge will produce light winds and mostly dry weather. Sea breezes will produce some afternoon clouds, but the atmosphere will be too dry and stable to produce much rain. Nighttime land breezes will bring clearing skies. The front will stall northwest of Kauai Monday and dissipate.

A stronger front will approach from the northwest during the middle of next week. Rainfall will start to increase Wednesday ahead of the front. The front may bring breezy trade winds and widespread showers Thursday and Friday.

AVIATION. There are no AIRMETs in effect, and none are expected over the next couple of days. VFR conditions will prevail.

Weak easterly tradewinds today will turn from the southeast tonight as a front approaches from the northwest. The light winds will allow daytime sea breezes and nighttime land breeze to form over the islands. Shower activity will be limited to mainly windward and mountain areas with some afternoon convection bringing added cloud cover.

MARINE. High pressure is moving off to a position far northeast of the area while a front approaches from the northwest. This will result in light winds through Sunday. The mean background flow over open waters will generally be from the east-southeast. Light trade winds will return Monday and Tuesday as the front dissipates near Kauai. Another front will approach the area on Wednesday with winds becoming light once again.

A north-northeast swell building in today will cause seas to reach or exceed 10 feet over portions of the area. Thus a Small Craft Advisory is posted through tonight for waters exposed to this swell. This swell may also produce harbor surges at both Kahului and Hilo harbors.

The north-northeast swell is expected to produce warning level surf along exposed east facing shores and advisory level surf along exposed north facing shores. The advisory and warning is currently in effect through tonight. This swell will lower gradually Sunday and Monday.

A new northwest swell is expected to arrive starting tomorrow, then gradually build Monday through Tuesday. Surf from this swell will reach advisory levels along north and west facing shores. A much larger northwest swell is expected Wednesday and Thursday with warning level surf predicted based on the latest guidance.

No other significant swells are expected.

HFO WATCHES/WARNINGS/ADVISORIES. High Surf Warning until 6 AM HST Sunday for east facing shores of Kauai, Oahu, Molokai, Maui and the Big Island of Hawaii.

High Surf Advisory until 6 AM HST Sunday for north facing shores of Niihau, Kauai, Oahu, Molokai, Maui and the Big Island of Hawaii.

DISCUSSION . Donaldson AVIATION . Morrison MARINE . Burke

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
NWWH1 - 1611400 - Nawiliwili, HI	24 mi	46 min	SE 6 G 7
51201 - Waimea Bay, HI (106)	91 mi	40 min			77°F	8 ft

Wind History for Nawiliwili, HI

(wind in knots)    EDIT      (on/off)   Help

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NE12

NE13

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NE8 G12

NE4

NE8 G13

NE11

NE10 G13

NE13 G16

E13 G17

NE12 G15

NE11 G15

E12 G16

NE7

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1 day ago

E12

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NE10 G14

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NE7 G12

NE6 G13

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SW1

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NE8 G14

SW5

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N7

NE5 G9

E8

2 days ago

NE11 G14

NE13 G18

NE12

NE9 G13

NE8

NE8

NE7

NE5 G9

NE10

NE11 G14

NE11 G18

NE10 G16

NE10 G14

NE11 G16

NE11 G15

NE13 G17

NE12 G16

NE13

NE13 G16

NE12 G15

NE13 G17

E13 G17

NE12 G16

NE10 G13

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Kekaha, Pacific Missile Test Facility Barking Sands, HI	10 mi	33 min	SSE 7	10.00 mi	Partly Cloudy	84°F	66°F	57%	1013.2 hPa
Lihue, Lihue Airport, HI	23 mi	23 min	ESE 7	10.00 mi	Partly Cloudy	78°F	68°F	71%	1013.4 hPa

Link to 5 minute data for PHBK

Wind History from HBK (wind in knots)

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W8

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E3

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1 day ago

NW7

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N6

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Calm

NW5

N6

N5

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Tide / Current Tables for Hanalei Bay, Kauai Island, Hawaii

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Tide / Current Tables for Waimea Bay, Kauai Island, Hawaii

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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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for (18,4,5,8)

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Ground Weather Radar Station Kauai, HI

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