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

June 20, 2024 8:10 AM HST (18:10 UTC) Change Location
Sunrise 5:49 AM   Sunset 7:18 PM
Moonrise 6:41 PM   Moonset 4:32 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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PHZ113 Kauai Channel- 318 Am Hst Thu Jun 20 2024

.small craft advisory in effect through Saturday afternoon - .

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

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

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

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

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

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

Sunday - East northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave detail: east northeast 8 feet at 7 seconds. Isolated showers, then scattered showers after midnight.

Monday - East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave detail: east northeast 8 feet at 7 seconds. Isolated showers.

PHZ100 318 Am Hst Thu Jun 20 2024

Synopsis for hawaiian coastal waters - Surface high pressure far to the north-northeast will gradually strengthen and move to about 800 nm north of the islands by Friday, leading to stronger trade winds.


7 Day Forecast for Marine Location Near Poipu, HI
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Area Discussion for - Honolulu, HI
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FXHW60 PHFO 201315 AFDHFO

Area Forecast Discussion National Weather Service Honolulu HI 315 AM HST Thu Jun 20 2024

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

DISCUSSION
Seasonably benign trade wind weather will continue through the forecast period. A strong subsidence inversion on this morning's soundings is a little higher than yesterday (between 7 and 8 kft), but continues to translate into stable low clouds that are delivering a few showers to windward and mauka zones. Instability and moisture aloft associated with a mid- and upper-level low W of Kauai is also noted in the Lihue sounding.

Locally strong trade winds will continue through the weekend, with potential for some modest easing in trade wind speeds next week as the high to the N moves NE. Increased PWAT arriving early Friday will mark the onset of a somewhat wetter trade wind pattern, with increased dew points also making it feel more humid. The upper low over the area will slowly drift westward, funneling periodic high clouds into the area for the next several days.

Today is the longest day of the year in the northern hemisphere, with the summer solstice occurring at 1051 AM HST this morning.

AVIATION
Breezy to locally strong trade winds will persist through the next couple of days and usher in bands of showers to the island chain's windward areas. Isolated spillover showers will be possible along leeward slopes, especially during the late night and early morning hours. VFR conditions will generally prevail except for in passing showers where brief MVFR conditions will be possible.

AIRMET Sierra is in effect for mountain obscuration across windward areas through the morning due to low clouds and showers.

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

MARINE
Fresh to strong trade winds will increase through Friday as a high pressure system to the north-northeast strengthens and settles about 800 nm north of the islands. A Small Craft Advisory was expanded this morning to include all Hawaiian coastal waters as trade wind speeds increase. Fresh to near-gale winds will hold through the weekend and likely into early next week.

Expect minimal south shore surf into Friday. A mix of a small, long- period south swell and a shorter period southeast swell may push surf close to 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 during the weekend. The trade wind swell will rise slightly with increasing wind speeds this weekend.

Surf along north facing shores will remain small through much of the week, with very small pulses of northwest swell possible into early next week.

HFO WATCHES/WARNINGS/ADVISORIES
Small Craft Advisory until 6 PM HST Saturday for all Hawaiian waters.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
NWWH1 - 1611400 - Nawiliwili, HI 8 mi52 minNE 8.9G13 76°F 80°F30.12
51208 29 mi44 min 77°F7 ft


Wind History for Nawiliwili, HI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
PHLI LIHUE,HI 9 sm17 minENE 19G298 smMostly Cloudy Lt Rain 75°F68°F78%30.12
PHBK BARKING SANDS PMRF,HI 20 sm19 minNNW 0310 smPartly Cloudy82°F66°F58%30.08
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Wind History graph: HLI
(wind in knots)
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Tide / Current for Port Allen, Hanapepe Bay, Kauai Island, Hawaii
   
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Port Allen
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Thu -- 01:40 AM HST     0.44 feet High Tide
Thu -- 04:33 AM HST     Moonset
Thu -- 05:55 AM HST     Sunrise
Thu -- 07:31 AM HST     -0.20 feet Low Tide
Thu -- 03:05 PM HST     1.93 feet High Tide
Thu -- 06:41 PM HST     Moonrise
Thu -- 07:24 PM HST     Sunset
Thu -- 10:55 PM HST     0.18 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Port Allen, Hanapepe Bay, Kauai Island, Hawaii, Tide feet
12
am
0.3
1
am
0.4
2
am
0.4
3
am
0.4
4
am
0.3
5
am
0.1
6
am
-0.1
7
am
-0.2
8
am
-0.2
9
am
-0
10
am
0.3
11
am
0.7
12
pm
1.1
1
pm
1.5
2
pm
1.8
3
pm
1.9
4
pm
1.9
5
pm
1.6
6
pm
1.3
7
pm
1
8
pm
0.6
9
pm
0.4
10
pm
0.2
11
pm
0.2


Tide / Current for Nawiliwili, Hawaii
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Nawiliwili
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Thu -- 01:27 AM HST     0.58 feet High Tide
Thu -- 04:32 AM HST     Moonset
Thu -- 05:54 AM HST     Sunrise
Thu -- 07:33 AM HST     -0.24 feet Low Tide
Thu -- 03:32 PM HST     2.25 feet High Tide
Thu -- 06:40 PM HST     Moonrise
Thu -- 07:23 PM HST     Sunset
Thu -- 11:05 PM HST     0.43 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Nawiliwili, Hawaii, Tide feet
12
am
0.5
1
am
0.6
2
am
0.6
3
am
0.5
4
am
0.3
5
am
0.1
6
am
-0.1
7
am
-0.2
8
am
-0.2
9
am
-0.1
10
am
0.3
11
am
0.7
12
pm
1.2
1
pm
1.7
2
pm
2
3
pm
2.2
4
pm
2.2
5
pm
2
6
pm
1.7
7
pm
1.3
8
pm
0.9
9
pm
0.7
10
pm
0.5
11
pm
0.4


Weather Map
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GEOS Local Image of Hawaii   
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South,Kauai/Honolulu,HI




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