Port Allen, Hanapepe Bay Weather

21°54'N 159°36'W

Home Harbor Resources

Current Conditions
Overcast
85°F
Feels like: 93°F
Wind Chill: 85°F Ceiling: 3700ft
Heat Index: 93°F Visibility: 10mi
Dew Point: 75°F Wind: 10mph
Humidity: 72% Direction: 140° (SE)
Pressure: 29.89" Gusts: 18mph
Reported: 31 minutes 14 seconds ago
September 21, 2018 5:00 pm HAST
Location: 21.954N 159.353W or 14 nautical miles ENE of search location of 21.9033N 159.592W.
Atmospheric Pressure: 29.93 in (1013.4 mb)
Pressure Tendency: +0.00 in (-0.0 mb)
Air Temperature: 80°F (26.7°C)
September 21, 2018 5:06 pm HAST
Location: 22.285N 159.574W or 23 nautical miles N of search location of 21.9033N 159.592W.
Significant Wave Height: 4 ft
Dominant Wave Period: 8 sec
Average Period: 5.1 sec
Mean Wave Direction: ENE (74°)
Water Temperature: 80°F (26.8°C)
September 22, 2018 02:00 UTC
Location: 21.5N 158.4W or 71 nautical miles ESE of search location of 21.9033N 159.592W.
Wind Direction: S (180°)
Wind Speed: 9 knots
Atmospheric Pressure: 29.86 in (1011.1 mb)
Air Temperature: 84°F (28.9°C)
Dew Point: 74°F (23.2°C)
Water Temperature: 82°F (27.5°C)
Friday, September 21
6:26am / 6:35pm 4:51pm / 3:34am
Mostly Cloudy
87°
73°
Day:
Night: Mainly cloudy. Low 73F. Winds E at 10 to 15 mph.
Saturday, September 22
6:26am / 6:34pm 5:31pm / 4:25am
Partly Cloudy
88°
72°
Day: Intervals of clouds and sunshine. High 88F. Winds SE at 10 to 15 mph.
Night: Considerable cloudiness. Low 72F. Winds ESE at 5 to 10 mph.
Sunday, September 23
6:27am / 6:33pm 6:08pm / 5:17am
PM Showers
87°
73°
Showers possible in the afternoon. Highs in the upper 80s and lows in the low 70s.
Monday, September 24
6:27am / 6:32pm 6:45pm / 6:08am
Showers
87°
73°
Showers. Highs in the upper 80s and lows in the low 70s.
Tuesday, September 25
6:27am / 6:31pm 7:22pm / 7:01am
PM Showers
88°
73°
Showers possible in the afternoon. Highs in the upper 80s and lows in the low 70s.
Wednesday, September 26
6:28am / 6:30pm 8:00pm / 7:54am
Thunderstorms
87°
73°
Showers and thunderstorms. Highs in the upper 80s and lows in the low 70s.
Thursday, September 27
6:28am / 6:29pm 8:40pm / 8:48am
Thunderstorms
87°
73°
Thunderstorms. Highs in the upper 80s and lows in the low 70s.
Friday, September 28
6:28am / 6:28pm 9:24pm / 9:45am
Scattered Thunderstorms
87°
72°
Scattered thunderstorms possible. Highs in the upper 80s and lows in the low 70s.
Saturday, September 29
6:28am / 6:27pm 10:11pm / 10:42am
Partly Cloudy
86°
72°
Times of sun and clouds. Highs in the mid 80s and lows in the low 70s.
Sunday, September 30
6:29am / 6:26pm 11:02pm / 11:42am
Partly Cloudy
86°
73°
Partly cloudy. Highs in the mid 80s and lows in the low 70s.
Wind Forecast
Day FridaySaturdaySunday
MPH 8 7 8 7 10 10 7 6 6 5 8 11
SE
E
E
E
ESE
S
SSE
ESE
SE
SE
S
SSW
Radar

Home Harbor Resources

Marine Forecast
Synopsis: PHZ100-221415- 308 PM HST Fri Sep 21 2018 .Synopsis for Hawaiian coastal waters... High pressure northeast of the state will keep a moderate to locally strong trade wind flow in place through Saturday. An area of low pressure is expected to develop several hundred miles northwest of Kauai over the weekend, allowing the winds to weaken and shift to the southeast Sunday through early next week. $$
Tonight
E wind 11 to 13 kt. Isolated showers before midnight. . Waves 1 ft or less.
Saturday
E wind 11 to 15 kt. Sunny. . Waves 1 ft or less.
Saturday Night
E wind around 11 kt. Isolated showers after midnight. . Waves 1 ft or less.
Sunday
SE wind 6 to 11 kt. Scattered showers, mainly after noon. . Waves 1 ft or less.
Sunday Night
ESE wind around 6 kt becoming N in the evening. Scattered showers. . Waves 1 ft or less.
Monday
N wind 5 to 8 kt becoming SE in the morning. Showers likely, mainly after noon. . Waves 1 ft or less.
Monday Night
SSE wind 8 to 10 kt. Showers likely, mainly before midnight. . Waves 1 ft or less.
Tuesday
S wind around 10 kt. Showers likely. . Waves 1 ft or less.
Tuesday Night
SSW wind around 9 kt. Showers likely. . 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.