Water Temperature of Honolulu Harbor in Honolulu, HI

Current Water Temperature

83.3°F

Measurement Time: Saturday, July 18, 2026, 6:48 PM HST

Today's Tides

Low: July 18, 1:37 AM, 0.1 ft
 High: July 18, 7:41 AM, 1.2 ft
Low: July 18, 12:44 PM, 0.5 ft
 High: July 18, 7:11 PM, 1.8 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

83.1°F
Partly cloudy
Partly cloudy
89.7°F
81.2°F
58%
ENE 22.6 mph
28.1 mph
77.9°F
68.5°F
0 in
50%
9 mi
1015 mbar
0.5

Five Day Weather Forecast

Sunny
Sat
H: 81°F
L: 76°F
Patchy rain nearby
Sun
H: 80°F
L: 75°F
Patchy rain nearby
Mon
H: 80°F
L: 75°F
Patchy rain nearby
Tue
H: 80°F
L: 76°F
Patchy rain nearby
Wed
H: 80°F
L: 76°F

Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 15.8 μg/m3
Carbon Monoxide: 89 μg/m3
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:37 AM
Sunset: 7:16 PM
Daylight: 13 hrs 16 mins
Moonrise: 10:25 AM
Moon Transit: 4:35 PM
Moonset: 10:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

7:07 PM - 9:37 PM
4:05 PM - 6:35 PM

Minor Periods

10:10 PM - 11:40 PM
9:55 AM - 11:25 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 18 at 3:26AM HST until July 18 at 6:00PM HST by NWS Honolulu HI

Effective: Sat July 18, 2026, 3:26 AM
Expires: Sat July 18, 2026, 4:30 PM

* WHAT...East winds 15 to 25 kt. * WHERE...Kaiwi Channel, Maui County Windward Waters and Big Island Windward Waters. * WHEN...Until 6 PM HST this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Saturday, July 18, 2026

Weather Forecast

Sunny
80.7°F
76.4°F
78.1°F
75%
0.01 in
36%
0%
24.6 mph
13.2


Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 12.58 μg/m3
Carbon Monoxide: 87.96 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 41.17 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:37 AM
Sunset: 7:16 PM
Daylight: 13 hrs 16 mins
Moonrise: 10:25 AM
Moon Transit: 4:35 PM
Moonset: 10:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

7:07 PM - 9:37 PM
4:05 PM - 6:35 PM

Minor Periods

10:10 PM - 11:40 PM
9:55 AM - 11:25 AM

Action Rating: 3 out of 5

Sunday, July 19, 2026

Weather Forecast

Patchy rain nearby
79.6°F
75.4°F
77.4°F
71%
0.01 in
36%
0%
19.9 mph
13


Air Quality

AQI: 1 - Good
PM2.5: 9.95 μg/m3
PM10: 16.66 μg/m3
Carbon Monoxide: 88.38 μg/m3
Nitrogen Dioxide: 1.03 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 56.83 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:37 AM
Sunset: 7:15 PM
Daylight: 13 hrs 15 mins
Moonrise: 11:19 AM
Moon Transit: 5:18 PM
Moonset: 11:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

7:51 PM - 10:21 PM
4:48 PM - 7:18 PM

Minor Periods

12:00 AM - 12:00 AM
10:49 AM - 12:19 AM

Action Rating: 3 out of 5

Monday, July 20, 2026

Weather Forecast

Patchy rain nearby
79.5°F
74.8°F
77.2°F
75%
0.07 in
61%
0%
18.6 mph
12.6


Air Quality

AQI: 1 - Good
PM2.5: 7.1 μg/m3
PM10: 11.8 μg/m3
Carbon Monoxide: 91.46 μg/m3
Nitrogen Dioxide: 1.27 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 46.92 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:37 AM
Sunset: 7:15 PM
Daylight: 13 hrs 15 mins
Moonrise: 12:12 AM
Moon Transit: 6:02 PM
Moonset: 12:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

8:34 PM - 11:04 PM
5:32 PM - 8:02 PM

Minor Periods

11:42 AM - 1:12 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, July 21, 2026

Weather Forecast

Patchy rain nearby
79.8°F
75.5°F
77.5°F
75%
0.05 in
60%
0%
19.7 mph
12.8


Air Quality

AQI: 1 - Good
PM2.5: 6.05 μg/m3
PM10: 9.95 μg/m3
Carbon Monoxide: 93.5 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 38.58 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:37 AM
Sunset: 7:15 PM
Daylight: 13 hrs 14 mins
Moonrise: 1:05 PM
Moon Transit: 6:46 PM
Moonset: 12:48 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

9:19 PM - 11:49 PM
6:16 PM - 8:46 PM

Minor Periods

12:35 AM - 2:05 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Patchy rain nearby
79.5°F
76.2°F
77.4°F
72%
0.01 in
22%
0%
21 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 8.37 μg/m3
PM10: 13.89 μg/m3
Carbon Monoxide: 92.39 μg/m3
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 49.54 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:38 AM
Sunset: 7:14 PM
Daylight: 13 hrs 13 mins
Moonrise: 1:59 PM
Moon Transit: 7:32 PM
Moonset: 12:24 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:02 PM - 9:32 PM

Minor Periods

1:29 PM - 2:59 PM
12:00 AM - 12:00 AM

Action Rating: 3 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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