Today | Weather | Thursday, July 23, 2026

Active Weather Warnings

Small Craft Advisory

Weather in East Honolulu, Hawaii

01:00 AM

Now

77° F

Feels Like 77°

Precipitation 17 %

Wind 11 mph

Humidity 75 %

Today

Day 86°

Night 75°

Precipitation 49 %

Wind 16 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

East Honolulu Weather Forecast Updated

31 minutes ago

Last updated on July 23, 2026 at 12:29 AM

Air Quality in East Honolulu

NOW

22 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.41 µg/m³

PM₁₀ 7.8 µg/m³

O₃ 0.024 ppm

NO₂ 0.1 ppb

SO₂ 0.2 ppb

CO 0.07 ppm

NH₃ 0 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 2.41 µg/m³

PM₁₀ – 7.8 µg/m³

O₃ – 47.64 µg/m³

NO₂ – 0.17 µg/m³

SO₂ – 0.47 µg/m³

CO – 75.02 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for East Honolulu

Minor Expected Likely

Small Craft Advisory

Small Craft Advisory issued July 22 at 3:43PM HST until July 24 at 6:00AM HST by NWS Honolulu HI

Jul 23, 6:00 AM → Jul 24, 6:00 AM

WHAT: East winds up to 25 kt.

WHERE: Kauai Northwest Waters, Kauai Windward Waters, Kauai
Leeward Waters, Kauai Channel, Oahu Windward Waters, Oahu
Leeward Waters, Kaiwi Channel, Maui County Windward Waters,
Maui County Leeward Waters and Big Island Windward Waters.

WHEN: From 6 AM Thursday to 6 AM HST Friday.

IMPACTS: Conditions will be hazardous to small craft.

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

Updated: Jul 23, 12:29 AM Source: NWS Alert