Water Temperature of Honolulu Harbor in Honolulu, HI

Current Water Temperature

83.1°F

Measurement Time: Wednesday, July 29, 2026, 6:36 AM HST

Today's Tides

 High: July 29, 3:48 AM, 0.8 ft
Low: July 29, 9:08 AM, 0.0 ft
 High: July 29, 4:30 PM, 2.3 ft
Low: July 29, 11:32 PM, 0.2 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

78.4°F
Cloudy
Cloudy
83.8°F
80.3°F
79%
NNE 6.7 mph
9.3 mph
76.2°F
71.8°F
0 in
75%
10 mi
1009 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 82°F
L: 76°F
Patchy rain nearby
Thu
H: 81°F
L: 77°F
Patchy rain nearby
Fri
H: 81°F
L: 77°F
Patchy rain nearby
Sat
H: 79°F
L: 76°F
Patchy rain nearby
Sun
H: 80°F
L: 76°F

Air Quality

AQI: 1 - Good
PM2.5: 4.9 μg/m3
PM10: 8 μg/m3
Carbon Monoxide: 93 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 23 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:37 AM
Sunset: 7:12 PM
Daylight: 13 hrs 8 mins
Moonrise: 7:38 PM
Moon Transit: 12:32 AM
Moonset: 6:09 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
3:05 AM - 5:35 AM

Minor Periods

7:08 PM - 8:38 PM
5:39 AM - 7:09 AM

Action Rating: 6 out of 5

High Surf Warning issued July 28 at 3:31PM HST until July 29 at 6:00PM HST by NWS Honolulu HI

Effective: Tue July 28, 2026, 3:31 PM
Expires: Wed July 29, 2026, 4:45 AM

...HIGH SURF WARNING FOR EAST FACING SHORES THROUGH WEDNESDAY AFTERNOON... .An east swell from Tropical Storm Fausto is currently peaking just above High Surf Warning levels. The swell will decline tonight through Wednesday as the system exits to the northwest. * WHAT...Surf 12 to 16 feet. * WHERE...East facing shores. * WHEN...Until 6 PM HST Wednesday. * IMPACTS...Very High. Expect ocean water surging and sweeping across beaches, coastal benches, and lava flows creating the potential for impacts to coastal properties and infrastructure, including roadways. Powerful longshore and rip currents will be present at most beaches. Large breaking waves and strong currents may impact harbor entrances and channels causing challenging boat handling.

Stay away from the shoreline along the affected coasts. Be prepared for road closures. Postpone entering or leaving channels affected by the high surf until the surf subsides.


Small Craft Advisory issued July 28 at 8:51AM HST until July 29 at 6:00AM HST by NWS Honolulu HI

Effective: Tue July 28, 2026, 8:51 AM
Expires: Tue July 28, 2026, 10:00 PM

* WHAT...Seas 8 to 13 feet. * WHERE...Kauai Channel. * WHEN...Until 6 AM HST Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Wednesday, July 29, 2026

Weather Forecast

Patchy rain nearby
81.6°F
76.2°F
79.3°F
77%
0.02 in
42%
0%
10.1 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 7.39 μg/m3
PM10: 11.03 μg/m3
Carbon Monoxide: 101.71 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 3.06 μg/m3
Ozone: 37.29 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:37 AM
Sunset: 7:12 PM
Daylight: 13 hrs 8 mins
Moonrise: 7:38 PM
Moon Transit: 12:32 AM
Moonset: 6:09 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:02 AM - 2:32 AM
3:05 AM - 5:35 AM

Minor Periods

7:08 PM - 8:38 PM
5:39 AM - 7:09 AM

Action Rating: 6 out of 5

Thursday, July 30, 2026

Weather Forecast

Patchy rain nearby
81.3°F
77.4°F
79.2°F
78%
0.04 in
60%
0%
17.7 mph
12.1


Air Quality

AQI: 1 - Good
PM2.5: 6.37 μg/m3
PM10: 9.74 μg/m3
Carbon Monoxide: 103.79 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 2.5 μg/m3
Ozone: 40.08 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:37 AM
Sunset: 7:11 PM
Daylight: 13 hrs 7 mins
Moonrise: 8:14 PM
Moon Transit: 1:18 AM
Moonset: 7:03 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:48 AM - 3:18 AM
3:51 AM - 6:21 AM

Minor Periods

7:44 PM - 9:14 PM
6:33 AM - 8:03 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Patchy rain nearby
80.7°F
76.7°F
78.5°F
78%
0.02 in
39%
0%
27.1 mph
12.3


Air Quality

AQI: 1 - Good
PM2.5: 7.51 μg/m3
PM10: 12.5 μg/m3
Carbon Monoxide: 90.96 μg/m3
Nitrogen Dioxide: 1.16 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 42.13 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:37 AM
Sunset: 7:11 PM
Daylight: 13 hrs 6 mins
Moonrise: 8:47 PM
Moon Transit: 2:02 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
4:35 AM - 7:05 AM

Minor Periods

8:17 PM - 9:47 PM
7:27 AM - 8:57 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Patchy rain nearby
78.8°F
76°F
77.2°F
77%
0.03 in
54%
0%
28.2 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 12.15 μg/m3
PM10: 20.27 μg/m3
Carbon Monoxide: 85.97 μg/m3
Nitrogen Dioxide: 0.8 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 57.38 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:37 AM
Sunset: 7:10 PM
Daylight: 13 hrs 5 mins
Moonrise: 9:20 PM
Moon Transit: 2:45 AM
Moonset: 8:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
5:18 AM - 7:48 AM

Minor Periods

8:50 PM - 10:20 PM
8:20 AM - 9:50 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Patchy rain nearby
79.5°F
76.2°F
77.6°F
74%
0.02 in
39%
0%
24.8 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 12.83 μg/m3
PM10: 21.6 μg/m3
Carbon Monoxide: 80.33 μg/m3
Nitrogen Dioxide: 0.77 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:37 AM
Sunset: 7:10 PM
Daylight: 13 hrs 4 mins
Moonrise: 9:54 PM
Moon Transit: 12:50 AM
Moonset: 9:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 PM
12:20 AM - 2:50 PM

Minor Periods

9:24 PM - 10:54 PM
9:12 AM - 10:42 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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