Water Temperature of Honolulu Harbor in Honolulu, HI

Current Water Temperature

83.5°F

Measurement Time: Friday, July 31, 2026, 7:36 AM HST

Today's Tides

 High: July 31, 5:08 AM, 1.0 ft
Low: July 31, 10:25 AM, 0.2 ft
 High: July 31, 5:26 PM, 2.1 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

80.2°F
Partly cloudy
Partly cloudy
85.6°F
83.1°F
70%
ENE 16.6 mph
22.1 mph
78.7°F
71.7°F
0 in
50%
10 mi
1017 mbar
0.4

Five Day Weather Forecast

Sunny
Fri
H: 81°F
L: 78°F
Patchy rain nearby
Sat
H: 80°F
L: 77°F
Patchy rain nearby
Sun
H: 80°F
L: 77°F
Patchy rain nearby
Mon
H: 80°F
L: 77°F
Patchy rain nearby
Tue
H: 80°F
L: 76°F

Air Quality

AQI: 1 - Good
PM2.5: 6.6 μg/m3
PM10: 11 μg/m3
Carbon Monoxide: 94 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 44 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

Wind Advisory issued July 31 at 3:05AM HST until August 1 at 6:00PM HST by NWS Honolulu HI

Effective: Fri July 31, 2026, 3:05 AM
Expires: Fri July 31, 2026, 4:15 PM

* WHAT...East northeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of Oahu, Maui, Molokai, Kahoolawe, Lanai, and the Big Island. * WHEN...From noon today to 6 PM HST Saturday. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. * ADDITIONAL DETAILS...Winds will accelerate downslope, near mountain tops and ridges, through gaps in the terrain, and in areas typically exposed to strong trade winds.

Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages.


Small Craft Advisory issued July 30 at 3:26PM HST until August 1 at 6:00AM HST by NWS Honolulu HI

Effective: Thu July 30, 2026, 3:26 PM
Expires: Fri July 31, 2026, 4:30 AM

* WHAT...East winds 20 to 25 kt with higher gusts and seas 7 to 10 feet expected. * WHERE...Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters and Big Island Windward Waters. * WHEN...From 4 AM Friday to 6 AM HST Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.


Small Craft Advisory issued July 31 at 3:00AM HST until August 1 at 6:00PM HST by NWS Honolulu HI

Effective: Fri July 31, 2026, 3:00 AM
Expires: Fri July 31, 2026, 4:00 PM

* WHAT...East winds 15 to 25 kt with gusts up to 30 kt and seas 7 to 10 feet expected. * WHERE...Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters and Big Island Windward Waters. * WHEN...Until 6 PM HST Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Friday, July 31, 2026

Weather Forecast

Sunny
81.2°F
78°F
79.3°F
77%
0.01 in
20%
0%
28.6 mph
12.1


Air Quality

AQI: 1 - Good
PM2.5: 7.87 μg/m3
PM10: 13.24 μg/m3
Carbon Monoxide: 90.58 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 44.88 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
80°F
77.3°F
78.3°F
75%
0.03 in
49%
0%
29.1 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 12.65 μg/m3
PM10: 21.25 μg/m3
Carbon Monoxide: 88.83 μg/m3
Nitrogen Dioxide: 0.78 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 58.46 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
80°F
76.5°F
78.1°F
73%
0.04 in
52%
0%
24.4 mph
12.2


Air Quality

AQI: 1 - Good
PM2.5: 9.8 μg/m3
PM10: 16.58 μg/m3
Carbon Monoxide: 88.92 μg/m3
Nitrogen Dioxide: 0.92 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 49 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

Monday, August 3, 2026

Weather Forecast

Patchy rain nearby
80.1°F
76.5°F
77.8°F
74%
0.07 in
62%
0%
18.8 mph
12.2


Air Quality

AQI: 1 - Good
PM2.5: 8.5 μg/m3
PM10: 14.15 μg/m3
Carbon Monoxide: 90.08 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 49.63 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:37 AM
Sunset: 7:09 PM
Daylight: 13 hrs 3 mins
Moonrise: 10:29 PM
Moon Transit: 4:12 AM
Moonset: 10:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

3:42 AM - 6:12 AM
6:45 AM - 9:15 AM

Minor Periods

9:59 PM - 11:29 PM
10:08 AM - 11:38 AM

Action Rating: 3 out of 5

Tuesday, August 4, 2026

Weather Forecast

Patchy rain nearby
80°F
76.1°F
78°F
77%
0.1 in
69%
0%
14.3 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 10.67 μg/m3
PM10: 17.77 μg/m3
Carbon Monoxide: 88.67 μg/m3
Nitrogen Dioxide: 1.33 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:37 AM
Sunset: 7:08 PM
Daylight: 13 hrs 2 mins
Moonrise: 11:08 PM
Moon Transit: 4:58 AM
Moonset: 11:34 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:28 AM - 6:58 AM
7:31 AM - 10:01 AM

Minor Periods

12:00 AM - 12:00 AM
11:04 AM - 12:34 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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