Waimea, Hawaii Weather Conditions

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Current Conditions

  • 73°
  • Overcast
  • Wind: ENE 22 mph
  • Humidity: 87%
  • Visibility: 10.0 miles
  • Dew Point: 69°
  • Pressure: 30.17 in. 0

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Next 12 Hours

5  am
8  am
11  am
2  pm
5  pm
Rain Showers
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72°
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75°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Monday
  • Rain Showers
  • High: 81 °
  • Low: 72 °
  • Rain Showers
  • Tuesday
  • Rain Showers
  • High: 81 °
  • Low: 72 °
  • Rain Showers
  • Wednesday
  • Chance of a Thunderstorm
  • High: 79 °
  • Low: 72 °
  • Chance of T-Storms
  • Thursday
  • Chance of a Thunderstorm
  • High: 79 °
  • Low: 72 °
  • Chance of T-Storms
  • Friday
  • Chance of Rain
  • High: 79 °
  • Low: 72 °
  • Chance of Rain

Forecast for Waimea, Hawaii

Updated: 11:00 PM HST on April 20, 2014

  • Monday

    Overcast with rain showers. High of 81F. Windy. Winds from the ENE at 25 to 30 mph. Chance of rain 40%.

  • Monday Night

    Overcast with rain showers. Low of 72F. Breezy. Winds from the ENE at 20 to 25 mph. Chance of rain 40%.

  • Tuesday

    Overcast with rain showers in the morning, then mostly cloudy. High of 81F. Breezy. Winds from the ENE at 20 to 25 mph. Chance of rain 30%.

  • Tuesday Night

    Partly cloudy with rain showers. Low of 72F. Breezy. Winds from the ENE at 20 to 25 mph with gusts to 30 mph. Chance of rain 40%.

  • Wednesday

    Partly cloudy with rain showers, then a chance of a thunderstorm and rain in the afternoon. High of 79F. Breezy. Winds from the ENE at 20 to 25 mph with gusts to 30 mph. Chance of rain 40%.

  • Wednesday Night

    Mostly cloudy with a chance of a thunderstorm and rain after midnight. Low of 72F. Breezy. Winds from the ENE at 20 to 25 mph. Chance of rain 40%.

  • Thursday

    Mostly cloudy with a chance of a thunderstorm and rain. High of 79F. Breezy. Winds from the ENE at 20 to 25 mph. Chance of rain 50%.

  • Thursday Night

    Overcast with a chance of a thunderstorm and rain, then a chance of rain after midnight. Low of 72F. Breezy. Winds from the ENE at 20 to 25 mph. Chance of rain 50%.

  • Friday

    Overcast with a chance of rain. High of 79F. Breezy. Winds from the ENE at 20 to 25 mph. Chance of rain 40%.

  • Friday Night

    Overcast. Low of 72F. Breezy. Winds from the ENE at 15 to 25 mph.

  • Saturday

    Mostly cloudy with a chance of rain. High of 79F. Breezy. Winds from the ENE at 15 to 20 mph. Chance of rain 20%.

  • Saturday Night

    Mostly cloudy. Low of 72F. Breezy. Winds from the ENE at 15 to 20 mph.

  • Sunday

    Overcast with a chance of rain. High of 79F. Breezy. Winds from the ENE at 15 to 20 mph. Chance of rain 20%.

  • Sunday Night

    Overcast. Low of 72F. Breezy. Winds from the NE at 15 to 20 mph.

  • Monday

    Mostly cloudy. High of 79F. Breezy. Winds from the NE at 15 to 20 mph.

  • Monday Night

    Mostly cloudy. Low of 72F. Breezy. Winds from the NE at 15 to 20 mph.

  • Tuesday

    Mostly cloudy. High of 79F. Winds from the NE at 10 to 15 mph.

  • Tuesday Night

    Mostly cloudy. Low of 70F. Winds from the ENE at 10 to 15 mph.

  • Wednesday

    Partly cloudy. High of 79F. Winds from the ENE at 10 to 15 mph.

  • Wednesday Night

    Partly cloudy. Low of 70F. Breezy. Winds from the ENE at 10 to 20 mph.

  • Thursday

    Clear. High of 79F. Winds from the ENE at 5 to 20 mph.

  • Thursday Night

    Clear. Low of 70F. Winds from the ENE at 10 to 15 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Na Pali Properties on Kauai, Hanalei, HI

Updated: 4:40 AM HST

Temperature: 70.2 °F Dew Point: 68 °F Humidity: 94% Wind: SE at 3.4 mph Pressure: 30.12 in Hourly Precipitation: 0.00 in Graphs

Location: Pooku, Princeville, HI

Updated: 4:40 AM HST

Temperature: 68.3 °F Dew Point: 67 °F Humidity: 95% Wind: ESE at 2.0 mph Pressure: 30.18 in Hourly Precipitation: 0.00 in Graphs

Location: North Shore of Kauai, Princeville, HI

Updated: 4:40 AM HST

Temperature: 70.2 °F Dew Point: 67 °F Humidity: 89% Wind: East at 7.8 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Graphs

Location: Kalihiwai Ridge, Kilauea, HI

Updated: 4:40 AM HST

Temperature: 70.1 °F Dew Point: 68 °F Humidity: 93% Wind: Calm Pressure: 30.09 in Hourly Precipitation: 0.00 in Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Honolulu HI 
339 am HST Monday Apr 21 2014 


Synopsis... 
strong high pressure to the north of the state will create locally 
windy trades today. The strong trades will continue to blow passing 
windward and Mauka showers over into leeward areas at times today 
into tonight. The trades will gradually ease Tuesday through 
Wednesday as high pressure moves further away from the state. 
Drier air and fewer showers are expected from Tuesday through the 
rest of the work week. 


&& 


Discussion... 
radar loops show an active shower pattern continuing across 
windward portions of the state during the night...with some 
shower activity spilling over into leeward sections of Oahu... 
Kauai and Molokai. Rain gauges report light to locally moderate 
accumulations as the showers are moving quickly within rather 
brisk trade wind flow. The 12z soundings show weak inversions 
based from around 6500 feet at Lihue up to 9000 feet at Hilo. As 
has been the case for the past couple of days...abundant middle/high 
level cloudiness continues to stream northward across the 
state...to the east of a stationary middle/upper level trough 
centered several hundred miles to the southwest. At the 
surface...a 1032 mb high is centered about 1050 miles due north of 
The Big Island...and continues to move eastward. 


The main forecast issue remains gusty and locally advisory level 
winds across some downslope and exposed Headland/ridge areas. In 
addition to Kamuela which has reported sustained winds of 30 miles per hour 
or greater off and on for the past 12 hours or so...a few other 
mesonet sites on Oahu...Lanai and Kahoolawe have reported peak 
wind gusts at or just below 50 miles per hour as well. Model guidance... 
including the high resolution University of Hawaii WRF model... 
does still indicate boundary layer winds peaking today...with 925 
mb winds reaching 35 knots or greater in some areas. Model 
soundings also show some lowering and strengthening of the 
inversion during this time...although this seems somewhat 
questionable given the weak inversions observed by the 12z 
soundings. Will leave the Wind Advisory in place for today with 
no coverage changes...although it seems likely that the strongest 
wind gusts of 50 miles per hour or greater will remain fairly isolated. 
It should be reiterated that the strongest winds will not 
affect entire forecast zones...but instead only specific favored 
areas immediately downslope of the smaller mountain ranges and 
over some ridges and headlands. 


The trades should gradually relax to more moderate levels Tuesday 
through Wednesday as the surface high moves further northeast and 
away from the state. Another weaker high will build to the north 
of our area Wednesday through Thursday...but would not expect any 
significant wind problems. A static pattern will then develop 
across the central Pacific for the late week into the weekend... 
with an east-west high pressure ridge north of the state and 
moderate trades prevailing across Hawaii. 


As for rain chances...the area of higher moisture currently across 
Hawaii is forecast to shift west of the state by late tonight 
or Tuesday morning...with a drier airmass then prevailing through 
the rest of the week. Therefore would expect another 24 hours or 
so of a more active windward/Mauka shower pattern with some 
leeward spillover.. followed by more limited shower coverage 
focusing on windward and Mauka areas thereafter. 


&& 


Aviation... 
airmet Tango will continue today for the moderate to strong trades 
across the region...producing mechanical turbulence to the Lee of 
the mountains. An upper level airmet continues across the islands 
due to moderate to strong speed and directional wind shear. The 
upper level conditions are expected to improve as the day 
progresses. 


Clouds and showers being carried in on the trades will bring MVFR 
and isolated IFR conditions to windward and mountain areas. Airmet 
Sierra has been posted for mountain obscuration in these areas. 
Improved conditions are possible later today. 


&& 


Marine... 
the Small Craft Advisory has been extended through 6 am Tuesday 
morning for all Hawaiian coastal waters. The overnight ascat pass 
missed the coastal waters...but available land observation and model data 
including the uh-WRF suggest that winds are likely around 25 knots 
across at least parts of most zones. Winds are forecast to peak 
just below 30 knots in the Alenuihaha Channel today. Winds should 
slowly subside Tuesday through Wednesday. 


The latest wavewatch data continues to show building short period 
easterly swell for today...which makes sense as the fetch length 
into Hawaii increases due to the movement of the strong high to 
our north. A high surf advisory for east facing shores remains in 
effect through Tuesday. No problems through the week for the other 
shores...with small northwest swell through Tuesday. The next 
moderate northwest swell will arrive Wednesday and continue 
through Friday...but the resulting surf on north/west facing 
shores will remain well below advisory levels. 


&& 


Hfo watches/warnings/advisories... 
Wind Advisory until 6 PM HST this evening for Waianae coast-Oahu 
koolau-Olomana-Waianae mountains-Lanai-Kahoolawe-Maui windward 
west-Maui leeward west-Maui Central Valley-south Big Island-Big 
Island north and east-kohala-Big Island interior. 


High surf advisory until 6 PM HST Tuesday for Kauai windward- 
Oahu koolau-Olomana-Molokai windward-Maui windward west-windward 
Haleakala-south Big Island-Big Island north and east. 


Small Craft Advisory until 6 am HST Tuesday for all Hawaiian 
waters. 


&& 


$$ 


Jacobson 














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