Waimanalo Weather

21°20'N 157°42'W

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Current Conditions
Overcast
79°F
Feels like: 82°F
Wind Chill: 79°F Ceiling: 4600ft
Heat Index: 82°F Visibility: 10mi
Dew Point: 70°F Wind: 10mph
Humidity: 74% Direction: 70° (ENE)
Pressure: 29.96" Gusts: -
Reported: 22 minutes 21 seconds ago
July 20, 2018 3:34 am HAST
Location: 21.415N 157.678W or 5 nautical miles N of search location of 21.335N 157.693W.
Significant Wave Height: 6 ft
Dominant Wave Period: 7 sec
Water Temperature: 80°F (26.7°C)
July 20, 2018 3:30 am HAST
Location: 21.433N 157.79W or 8 nautical miles NW of search location of 21.335N 157.693W.
Wind Direction: E (80°)
Wind Speed: 8 knots
Wind Gust: 12 knots
Atmospheric Pressure: 29.98 in (1015.1 mb)
Air Temperature: 78°F (25.5°C)
Water Temperature: 81°F (27.0°C)
July 20, 2018 3:54 am HAST
Location: 21.477N 157.752W or 9 nautical miles NNW of search location of 21.335N 157.693W.
Significant Wave Height: 5 ft
Dominant Wave Period: 8 sec
Average Period: 5.4 sec
Mean Wave Direction: ENE (67°)
Water Temperature: 78°F (25.8°C)
Friday, July 20
5:59am / 7:15pm 1:38pm / 12:43am
AM Showers
83°
75°
Day: A shower or two possible early with partly cloudy skies in the afternoon. High 83F. Winds ENE at 10 to 20 mph. Chance of rain 30%.
Night: A few clouds from time to time. Low around 75F. Winds NE at 10 to 20 mph.
Saturday, July 21
6:00am / 7:14pm 2:30pm / 1:23am
Partly Cloudy
83°
75°
Day: Sunshine and clouds mixed. High 83F. Winds NE at 10 to 20 mph.
Night: Partly cloudy in the evening. Increasing clouds with periods of showers after midnight. Low around 75F. Winds NE at 10 to 20 mph. Chance of rain 40%.
Sunday, July 22
6:00am / 7:14pm 3:23pm / 2:03am
Showers
83°
76°
Times of sun and clouds. Highs in the low 80s and lows in the mid 70s.
Monday, July 23
6:00am / 7:14pm 4:14pm / 2:46am
PM Thunderstorms
85°
76°
Showers possible. Highs in the low 80s and lows in the mid 70s.
Tuesday, July 24
6:01am / 7:13pm 5:05pm / 3:31am
AM Thunderstorms
84°
76°
Thunderstorms developing in the afternoon. Highs in the mid 80s and lows in the mid 70s.
Wednesday, July 25
6:01am / 7:13pm 5:54pm / 4:17am
Partly Cloudy
83°
76°
Morning showers and thunderstorms. Highs in the mid 80s and lows in the mid 70s.
Thursday, July 26
6:02am / 7:13pm 6:40pm / 5:06am
AM Showers
85°
76°
Mix of sun and clouds. Highs in the low 80s and lows in the mid 70s.
Friday, July 27
6:02am / 7:12pm 7:25pm / 5:56am
AM Showers
85°
76°
A few morning showers. Highs in the mid 80s and lows in the mid 70s.
Saturday, July 28
6:02am / 7:12pm 8:06pm / 6:47am
AM Showers
85°
76°
Showers ending by midday. Highs in the mid 80s and lows in the mid 70s.
Sunday, July 29
6:03am / 7:11pm 8:45pm / 7:38am
Partly Cloudy
84°
76°
Morning showers. Highs in the mid 80s and lows in the mid 70s.
Wind Forecast
Day FridaySaturday
MPH 9 13 16 15 11 11 10 13 16 15 11 11
ENE
ENE
ENE
NE
NE
NE
NE
NE
NE
NE
NE
NE
Radar

Home Harbor Resources

Marine Forecast
Synopsis: PHZ100-210230- 333 AM HST Fri Jul 20 2018 .Synopsis for Hawaiian coastal waters... High pressure far northeast of the islands will maintain east trade winds through the period. Locally breezy winds will ease slightly tonight, before becoming locally breezy again by late in the weekend and early next week. $$
Today
ENE wind 12 to 16 kt, with gusts as high as 22 kt. Isolated showers. . Waves 1 ft or less.
Tonight
ENE wind 13 to 15 kt, with gusts as high as 21 kt. Isolated showers. . Waves 1 ft or less.
Saturday
ENE wind 15 to 17 kt, with gusts as high as 24 kt. Isolated showers. E swell 1 ft at 0 seconds building to at 22 seconds . Waves 1 ft or less.
Saturday Night
NE wind around 17 kt, with gusts as high as 24 kt. Isolated showers. E swell 1 ft. Waves 1 ft or less.
Sunday
ENE wind 17 to 20 kt, with gusts as high as 28 kt. Scattered showers, mainly after noon. E swell 1 ft. Waves 1 ft or less.
Sunday Night
NE wind 17 to 20 kt, with gusts as high as 28 kt. Isolated showers. E swell 1 ft. Waves 1 ft or less.
Monday
ENE wind 17 to 20 kt, with gusts as high as 28 kt. Scattered showers. E swell 1 ft. Waves 1 ft or less.
Monday Night
NE wind 17 to 20 kt, with gusts as high as 28 kt. Scattered showers. . Waves 1 ft or less.
Tuesday
ENE wind 17 to 21 kt, with gusts as high as 30 kt. Isolated showers. . Waves 1 ft or less.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.