Water Temperature of Honolulu Harbor in Honolulu, HI

Current Water Temperature

77.7°F

Measurement Time: Wednesday, April 8, 2026, 8:06 AM HST

Today's Tides

Low: April 8, 12:31 PM, 0.1 ft
 High: April 8, 9:40 PM, 1.5 ft

Temperature Locations

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Local Points of Interest

O'ahu (Oahu); Sand Island State Recreation Area; Chinatown

Honolulu Harbor

Station Name: Honolulu
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -5 feet

Nearest Address:
Aloha Tower Drive
Honolulu, HI 96850
Honolulu County

GPS Coordinates: 21.303, -157.865

Nearby Water Temperatures

Māmala Bay, Honolulu, HI (6.1 mi)
Kaneohe (Kāneʻohe) Bay, Kaneohe, HI (10.2 mi)
Kaneohe (Kāneʻohe) Bay, Kaneohe, HI (14 mi)
Pacific Ocean, Kailua, HI (14.3 mi)
Pacific Ocean, Kapolei, HI (18.3 mi)
Pacific Ocean, Pupukea, HI (30.1 mi)
Pacific Ocean, Lanai City, HI (67.5 mi)
Kahakuloa Stream, Kahakuloa, HI (87.4 mi)
Kahului Bay, Kahului, HI (94.3 mi)
Pacific Ocean, Princeville, HI (117.6 mi)
Pacific Ocean, Hanalei, HI (128.9 mi)
Kawaihae Harbor, Kawaihae, HI (158 mi)
Kuhio Bay, Hilo, HI (211.8 mi)
Pacific Ocean, Honolulu, HI (302.1 mi)

Weather for Honolulu, Hawaii

Current Weather

72.1°F
Partly cloudy
Partly cloudy
76.4°F
77.6°F
94%
SSE 4.5 mph
5.9 mph
74°F
67.7°F
0 in
75%
9 mi
1013 mbar
1.1

Five Day Weather Forecast

Moderate rain
Wed
H: 76°F
L: 72°F
Heavy rain
Thu
H: 75°F
L: 71°F
Heavy rain
Fri
H: 76°F
L: 71°F
Sunny
Sat
H: 77°F
L: 72°F
Patchy rain nearby
Sun
H: 73°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 122.85 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 42 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 12:33 AM
Sunset: 6:49 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:10 AM
Moon Transit: 5:31 AM
Moonset: 10:54 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
8:05 AM - 10:35 AM

Minor Periods

10:24 AM - 11:54 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

High Surf Advisory issued April 7 at 7:40PM HST until April 9 at 6:00AM HST by NWS Honolulu HI

Effective: Tue April 7, 2026, 7:40 PM
Expires: Wed April 8, 2026, 8:45 AM

...HIGH SURF ADVISORY FOR SOUTH FACING SHORES OF ALL HAWAIIAN ISLANDS... .Surf along south facing shores will steadily rise tonight and peak on Wednesday above advisory thresholds. * WHAT...Large breaking waves of 7 to 10 feet with occasional higher sets to 12 feet. * WHERE...South facing shores of Niihau, Kauai, Oahu, Molokai, Maui, Lanai, Kahoolawe, and the Big Island. * WHEN...Until 6 AM HST Thursday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.

Heed all advice from ocean safety officials. When in doubt, don't go out.


Flood Watch issued April 7 at 2:45PM HST until April 10 at 6:00PM HST by NWS Honolulu HI

Effective: Tue April 7, 2026, 2:45 PM
Expires: Thu April 9, 2026, 6:15 PM

...FLOOD WATCH FOR ALL HAWAIIAN ISLANDS... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...All Hawaiian islands. * WHEN...From Wednesday morning through Friday afternoon. * IMPACTS...Significant flooding may occur due to excessive rainfall and overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - Low pressure will develop west of the islands and draw abundant moisture northward as it strengthens during the next couple of days. This will bring potential for heavy rain and thunderstorms leading to flash flooding over all Hawaiian islands.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Wednesday, April 8, 2026

Weather Forecast

Moderate rain
76.2°F
72°F
73.9°F
82%
0.49 in
91%
0%
11 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 4.33 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 190.69 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 45.32 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 12:33 AM
Sunset: 6:49 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:10 AM
Moon Transit: 5:31 AM
Moonset: 10:54 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
8:05 AM - 10:35 AM

Minor Periods

10:24 AM - 11:54 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, April 9, 2026

Weather Forecast

Heavy rain
74.5°F
70.5°F
72.5°F
87%
1.34 in
90%
0%
27.3 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 5.42 μg/m3
PM10: 7.76 μg/m3
Carbon Monoxide: 121.37 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 38.12 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 12:32 AM
Sunset: 6:49 PM
Daylight: 12 hrs 32 mins
Moonrise: 12:59 AM
Moon Transit: 6:23 AM
Moonset: 11:49 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

5:53 AM - 8:23 AM
8:56 AM - 11:26 AM

Minor Periods

11:19 AM - 12:49 AM
12:29 AM - 1:59 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Heavy rain
76.3°F
70.7°F
73.3°F
87%
1.6 in
89%
0%
27.5 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 9.18 μg/m3
PM10: 13.62 μg/m3
Carbon Monoxide: 123.21 μg/m3
Nitrogen Dioxide: 3.26 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 52.8 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 12:32 AM
Sunset: 6:49 PM
Daylight: 12 hrs 33 mins
Moonrise: 1:44 AM
Moon Transit: 7:13 AM
Moonset: 12:45 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

6:43 AM - 9:13 AM
9:46 AM - 12:16 AM

Minor Periods

12:15 AM - 1:45 PM
1:14 AM - 2:44 AM

Action Rating: 3 out of 5

Saturday, April 11, 2026

Weather Forecast

Sunny
76.8°F
72.3°F
74.3°F
71%
0 in
0%
0%
8.5 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 9.49 μg/m3
Carbon Monoxide: 117.81 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 35.36 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 12:32 AM
Sunset: 6:50 PM
Daylight: 12 hrs 34 mins
Moonrise: 2:27 AM
Moon Transit: 8:01 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
10:34 AM - 1:04 PM

Minor Periods

1:10 PM - 2:40 PM
1:57 AM - 3:27 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Patchy rain nearby
72.8°F
70.2°F
72°F
79%
0.14 in
87%
0%
8.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.13 μg/m3
PM10: 12.79 μg/m3
Carbon Monoxide: 137.33 μg/m3
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 55.15 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:32 AM
Sunset: 6:50 PM
Daylight: 12 hrs 35 mins
Moonrise: 3:05 AM
Moon Transit: 8:48 AM
Moonset: 2:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:18 AM - 10:48 AM
11:21 AM - 1:51 PM

Minor Periods

2:06 PM - 3:36 PM
2:35 AM - 4:05 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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