Waimea, Hawaii Weather Conditions

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Current Conditions

  • 83°
  • Mostly Cloudy
  • Wind: West 6 mph
  • Humidity: 69%
  • Visibility: 10.0 miles
  • Dew Point: 72°
  • Pressure: 29.98 in. -
  • Heat Index: 88

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Next 12 Hours

11  am
2  pm
5  pm
8  pm
11  pm
Partly Cloudy
Partly Cloudy
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Rain Showers
82°
88°
84°
81°
77°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Wednesday
  • Rain Showers
  • High: 88 °
  • Low: 73 °
  • Rain Showers
  • Thursday
  • Rain Showers
  • High: 88 °
  • Low: 73 °
  • Rain Showers
  • Friday
  • Chance of a Thunderstorm
  • High: 88 °
  • Low: 73 °
  • Chance of a Thunderstorm
  • Saturday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 73 °
  • Chance of T-Storms
  • Sunday
  • Chance of a Thunderstorm
  • High: 88 °
  • Low: 73 °
  • Chance of a Thunderstorm

Forecast for Waimea, Hawaii

Updated: 11:00 PM HST on September 16, 2014

  • Wednesday

    Partly cloudy with rain showers in the afternoon. High of 88F. Winds less than 5 mph. Chance of rain 30%.

  • Wednesday Night

    Overcast with rain showers in the evening, then partly cloudy. Low of 73F. Winds less than 5 mph. Chance of rain 20%.

  • Thursday

    Partly cloudy with rain showers in the afternoon. High of 88F. Winds less than 5 mph. Chance of rain 20%.

  • Thursday Night

    Partly cloudy with rain showers. Low of 73F. Winds less than 5 mph. Chance of rain 20%.

  • Friday

    Partly cloudy with a chance of a thunderstorm and rain in the afternoon. High of 88F. Winds less than 5 mph. Chance of rain 20%.

  • Friday Night

    Partly cloudy with a chance of a thunderstorm and rain. Low of 73F. Winds from the NE at 5 to 10 mph. Chance of rain 50%.

  • Saturday

    Partly cloudy with a chance of a thunderstorm and rain in the afternoon. High of 86F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.

  • Saturday Night

    Mostly cloudy with a chance of a thunderstorm and rain in the evening, then clear. Low of 73F. Winds from the NE at 5 to 15 mph. Chance of rain 40%.

  • Sunday

    Clear in the morning, then partly cloudy with a chance of a thunderstorm and rain. High of 88F with a heat index of 93F. Winds from the ENE at 5 to 10 mph. Chance of rain 20%.

  • Sunday Night

    Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds from the ENE at 10 to 15 mph. Chance of rain 40%.

  • Monday

    Partly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 91F. Winds from the ENE at 5 to 15 mph. Chance of rain 20%.

  • Monday Night

    Partly cloudy. Low of 75F. Winds from the ENE at 10 to 15 mph.

  • Tuesday

    Partly cloudy with a chance of a thunderstorm. High of 88F. Winds from the ENE at 10 to 15 mph. Chance of rain 20%.

  • Tuesday Night

    Partly cloudy with a chance of a thunderstorm. Low of 73F. Breezy. Winds from the East at 10 to 20 mph. Chance of rain 20%.

  • Wednesday

    Partly cloudy. High of 86F. Winds from the East at 10 to 15 mph.

  • Wednesday Night

    Partly cloudy with a chance of a thunderstorm. Low of 75F. Winds from the East at 10 to 15 mph. Chance of rain 50%.

  • Thursday

    Clear. High of 88F. Winds less than 5 mph.

  • Thursday Night

    Partly cloudy with a chance of a thunderstorm. Low of 75F. Winds from the NE at 5 to 10 mph. Chance of rain 20%.

  • Friday

    Clear with a chance of a thunderstorm. High of 86F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.

  • Friday Night

    Clear with a chance of a thunderstorm. Low of 75F. Winds from the NE at 5 to 10 mph. Chance of rain 40% with rainfall amounts near 0.2 in. possible.

  • Saturday

    Partly cloudy with a chance of a thunderstorm. High of 86F. Winds less than 5 mph. Chance of rain 40%.

  • Saturday Night

    Partly cloudy with a chance of a thunderstorm. Low of 75F. Winds less than 5 mph. Chance of rain 40%.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Koloa Landing - Whaler's Cove, Koloa, HI

Updated: 11:36 AM HST

Temperature: 86.9 °F Dew Point: 72 °F Humidity: 61% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: Na Pali Properties on Kauai, Hanalei, HI

Updated: 11:36 AM HST

Temperature: 87.3 °F Dew Point: 72 °F Humidity: 60% Wind: ESE at 4.3 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: Wailua, Kapaa, HI

Updated: 11:36 AM HST

Temperature: 85.6 °F Dew Point: 74 °F Humidity: 69% Wind: East at 7.6 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: Pooku, Princeville, HI

Updated: 11:35 AM HST

Temperature: 84.3 °F Dew Point: 66 °F Humidity: 55% Wind: Calm Pressure: 29.99 in Hourly Precipitation: 0.00 in Heat Index: 87 °F Graphs

Location: WAILUA HOMESTEADS, Kapaa, HI

Updated: 11:36 AM HST

Temperature: 82.3 °F Dew Point: 82 °F Humidity: 100% Wind: East at 6.0 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: 96 °F Graphs

Location: North Shore of Kauai, Princeville, HI

Updated: 11:36 AM HST

Temperature: 89.5 °F Dew Point: 75 °F Humidity: 63% Wind: East at 10.1 mph Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: 100 °F Graphs

Location: Kalihiwai Ridge, Kilauea, HI

Updated: 11:36 AM HST

Temperature: 83.9 °F Dew Point: 76 °F Humidity: 76% Wind: East at 3.0 mph Pressure: 29.90 in Hourly Precipitation: 0.00 in Heat Index: 92 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Honolulu HI 
1002 am HST Wednesday Sep 17 2014 


Synopsis... 
weak surface high pressure north of the islands will maintain 
gentle trade winds across the state today...with localized 
afternoon sea breezes developing. The ridge will break down from 
Thursday into the weekend...allowing for widespread sea breezes 
along with afternoon clouds and showers. Dry and stable air aloft 
will keep most rainfall amounts light. A tropical wave passing 
south of the area may bring an increase in rainfall...especially 
across The Big Island...with gentle trade winds resuming across 
the state by the later half of the weekend and into early next 
week. 


&& 


Discussion... 
visible satellite imagery shows mostly sunny skies over the islands while 
scattered cumulus clouds are located mainly over the windward waters 
of the smaller islands this morning. Radar is picking up isolated 
showers within these clouds which are generally moving northeast 
to southwest at 5 to 10 miles per hour. Gentle trade winds over Hawaii are 
driven by a 1022 mb surface high located far to the north-northwest. 


Aloft...a weak upper level low is centered near Kauai...with a 
large middle/upper level ridge sprawling northwest of our region from 
west of the dateline to near 160w. Mimic-total precipitable water 
/pw/ satellite imagery shows a stripe of higher moisture 
associated with the clouds just north of the smaller islands. This 
area of moisture is moving to the west-southwest towards Kauai and 
Oahu. The 12z soundings depict a rather typical profile...with 
inversions based around 7000 feet...and near normal precipitable water values 
between 1.3 and 1.5 inches. 


For today...expect another warm day across the state. The light 
trade wind flow will allow for leeward sea breezes to over power 
the flow resulting in afternoon clouds over leeward / interior 
sections. A few leeward showers are possible by the afternoon time 
particularly across Kauai and Oahu with the higher moisture to the 
north advecting in today. 


Thursday through the weekend....the high to the northwest is 
forecast to move east and quickly weaken over the next 24 hours as 
a cold front drops southeastward across the north central Pacific. 
The result will be even lighter winds and a pure sea and land 
breeze pattern. This pattern will bring mostly clear nights and 
mornings with spotty showers over interior areas during the 
afternoons and evenings. The light winds will allow volcanic haze 
to build up around The Big Island...but it does not appear as if 
there will be enough southerly component in the flow to carry the 
haze over the smaller islands. 


GFS and European model (ecmwf) coming into line for a tropical wave passing south 
of the state Sunday...with both models suggesting that northern 
fringes of the plume of moisture will barely brush across The Big 
Island. This may bring an increase in showers at this time. It 
also appears the front will stall out and dissipate about 300 
miles north of the state. The increased pressure gradient between 
lower pressure to the south...and a narrow high pressure ridge 
between the islands and a stalled frontal boundary to our north 
should induce some increase in easterly flow over the state during 
by Monday. 


Uncertainty increases further for next Tuesday and beyond...when 
the GFS drops another cold front southward into the central 
Pacific...weakening and veering our local wind flow toward the 
southeast. The European model (ecmwf) has a completely different solution for this 
time period with a building high pressure ridge in the central 
Pacific...causing increasing trades over the state. Will have to 
await future model runs which will hopefully resolve these 
differences. 




&& 


Aviation... 
light trade winds and VFR conditions will continue today. Locally... 
seabreezes will develop... producing interior cloud buildups and 
showers this afternoon. This activity will subside with sunset. 
Otherwise... clouds and showers will focus over windward slopes... 
being most prevalent during the night and early morning hours. 




&& 


Marine... 
observations from the Barbers Point buoy this morning show the 
south swell continuing to slowly decline...with peak energy values 
gradually shifting into the shorter wave period bands. This swell 
will slowly fade away through Friday. Surf along south facing 
shores will remain somewhat elevated through today...but should 
stay below advisory criteria. Another small south swell will build 
in late this afternoon or evening. 


Elsewhere...a small northwest swell arrived late yesterday...as 
indicated by Waimea Bay buoy data. Another small northwest swell 
will arrive later today...but surf along north facing shores will 
remain well below advisory levels. 


An 0806z ascat pass found gentle to locally moderate trade winds 
across the Hawaiian coastal waters...with a small area of winds 
greater than 15 knots in the Alenuihaha Channel. These will 
probably be the strongest winds seen in our waters through the 
next several days...with wind speeds expected to begin decreasing 
later today. Winds and seas are expected to remain below Small 
Craft Advisory levels through at least early next week. 




&& 


Hfo watches/warnings/advisories... 
none. 


&& 


$$ 


Discussion/marine...Foster 
aviation...Eaton 



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