Heeia, HI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Heeia, HI

June 19, 2024 3:21 AM HST (13:21 UTC) Change Location
Sunrise 5:48 AM   Sunset 7:17 PM
Moonrise 5:32 PM   Moonset 3:40 AM 
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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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PHZ116 Kaiwi Channel- 948 Pm Hst Tue Jun 18 2024

.small craft advisory in effect through Thursday afternoon - .

Rest of tonight - East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave detail: east 6 feet at 6 seconds. Scattered showers late this evening, then isolated showers.

Wednesday - East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave detail: east 6 feet at 6 seconds. Isolated showers in the morning.

Wednesday night - East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave detail: east 7 feet at 7 seconds. Isolated showers.

Thursday - East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave detail: east 7 feet at 7 seconds. Isolated showers in the morning.

Thursday night - East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave detail: east 7 feet at 7 seconds. Isolated showers.

Friday - East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave detail: east 7 feet at 7 seconds. Isolated showers.

Friday night - East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave detail: east northeast 7 feet at 7 seconds. Isolated showers in the evening. Scattered showers after midnight.

Saturday - East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave detail: east northeast 7 feet at 7 seconds. Isolated showers through the night, then scattered showers in the evening. Isolated showers after midnight.

Sunday - East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave detail: east northeast 8 feet at 7 seconds. Isolated showers, then scattered showers after midnight.

PHZ100 948 Pm Hst Tue Jun 18 2024

Synopsis for hawaiian coastal waters - A high pressure system will gradually strengthen northeast of the islands during the next couple of days. The high center will shift north of the state Thursday and Friday, leading to stronger trade winds through the weekend.


7 Day Forecast for Marine Location Near Heeia, HI
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Area Discussion for - Honolulu, HI
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FXHW60 PHFO 190658 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 858 PM HST Tue Jun 18 2024

SYNOPSIS
Persistent high pressure far north of the islands will support locally strong trade winds through the weekend. Brief and passing showers will favor windward areas, especially during nights and mornings, with a few sprinkles occasionally spreading leeward.

DISCUSSION
Seasonable trade wind weather will persist through the foreseeable future, with wind speeds on the higher end of the spectrum.

Afternoon soundings showed a strong subsidence inversion based near 6000 feet, PWAT just above June norms at 1.35", and instability aloft (most notable above 15000 feet in the PHLI sounding), associated with a mid- and upper-level low centered just W of Kauai.
Satellite data and empirical observations indicate that the incoming low cloud field is broken to overcast in coverage, and is primarily comprised of stable stratus, with a few embedded showery cumulus elements. Radar shows most of the showers over windward slopes, but light returns are seen spreading leeward on the smaller islands.
Scattered mid- and high level clouds are seen moving N over the area.

Surface high pressure centered well N of the islands will strengthen slightly over the next couple of days, supporting a gradually increasing trend in wind speeds, with locally windy conditions developing by the weekend.

The mid- and upper-level low will drift W over the next couple of days, allowing a stabilizing mid-level warm pool to move over the islands from the E, but periods of patchy high clouds are expected to continue. A trend toward fewer showers is expected on Wednesday/Thursday, but increased PWAT moving over the islands from the E may lead to increased low clouds and light windward showers Friday and Saturday. This moisture is associated with a weak front currently in the vicinity of 30N 140W.

AVIATION
Moderate to breezy trades will continue tonight, with showers and low cigs favoring windward and mauka locations. Periods of MVFR conditions are possible in any showers, which are expected to increase in coverage during the late night to early morning hours.
Otherwise, VFR conditions should prevail. Trade winds are expected to strengthen slightly to become locally strong during the next 24 hours.

AIRMET Tango is in effect for low level turbulence lee of mountains due to the strengthening trade winds.

AIRMET Sierra is in effect for windward sections of the Big Island this evening and might need to be expanded to include windward sections of some of the smaller islands later tonight as shower coverage increases.

MARINE
A high pressure system north of Hawaii will strengthen keeping fresh to strong trade winds in the forecast for most areas, and near gale- force winds for some of the windier eastern channels. A Small Craft Advisory (SCA) remains in effect for most waters around the Big Island and Maui County. As the high settles far north of the islands Thursday and Friday, trade winds will increase a notch, and the SCA will likely be expanded and continue through the weekend.

The current south swell will fade out tonight, followed by a lull in south shore surf into Friday. A mix of small, long period south and southwest swell may push shores up near seasonal average during the weekend. As these swells slowly decline early next week, another small long period south-southwest swell is expected to fill in.

Surf along east-facing shores will gradually trend up Thursday through the weekend. The trade wind swell is currently just under seasonal average at about 6 to 7 feet at 7 to 8 seconds. Expect a slight increase late Wednesday or Thursday, followed by a rise above seasonal average this weekend.

Surf along north-facing shores will return to seasonally tiny levels tonight as a small northwest swell fades. Additional very small pulses are possible Thursday and again early next week.

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




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
MOKH1 - 1612480 - Mokuoloe, HI 1 mi45 minE 12G16 77°F 80°F30.05
51207 4 mi55 min 77°F6 ft
51210 4 mi55 min 76°F6 ft
51202 - Mokapu Point, HI (098) 7 mi55 min 78°F7 ft
OOUH1 - 1612340 - Honolulu, HI 10 mi51 minENE 8G13 77°F 79°F30.06
PRHH1 10 mi51 minNNE 8.9G13 77°F 30.05
51211 13 mi51 min 78°F3 ft
51212 20 mi51 min 77°F 79°F2 ft
51201 - Waimea Bay, HI (106) 23 mi35 min 78°F5 ft


Wind History for Mokuoloe, HI
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Airport Reports
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Wind History graph: HNG
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Tide / Current for Honolulu, Honolulu Harbor, Oahu Island, Hawaii
   
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Honolulu, Honolulu Harbor, Oahu Island, Hawaii, Tide feet


Tide / Current for Hanauma Bay, Oahu Island, Hawaii
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Hanauma Bay
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Wed -- 12:29 AM HST     0.59 feet High Tide
Wed -- 03:39 AM HST     Moonset
Wed -- 05:49 AM HST     Sunrise
Wed -- 06:32 AM HST     -0.19 feet Low Tide
Wed -- 02:05 PM HST     2.13 feet High Tide
Wed -- 05:31 PM HST     Moonrise
Wed -- 07:15 PM HST     Sunset
Wed -- 09:49 PM HST     0.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Hanauma Bay, Oahu Island, Hawaii, Tide feet
12
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0.6
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0.6
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0.5
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0.1
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-0
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-0.2
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-0
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0.3
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0.8
11
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1.3
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1.7
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2.1
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2.1
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1.8
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0.7
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0.3
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0.3


Weather Map
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GEOS Local Image of Hawaii   
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