Today | Weather | Wednesday, May 27, 2026

Active Weather Warnings

Small Craft Advisory

Weather in East Honolulu, Hawaii

07:18 AM

Now

73° F

Feels Like 73°

Precipitation 17 %

Wind 12 mph

UV Index (0 - 11+) 1

Humidity 71 %

Today

Day 82°

Night 72°

Precipitation 49 %

Wind 15 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

Air Quality in East Honolulu

NOW

34 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.33 µg/m³

PM₁₀ 11.13 µg/m³

O₃ 0.037 ppm

NO₂ 0.1 ppb

SO₂ 0.1 ppb

CO 0.08 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 – 2.33 µg/m³

PM₁₀ – 11.13 µg/m³

O₃ – 72.49 µg/m³

NO₂ – 0.14 µg/m³

SO₂ – 0.3 µg/m³

CO – 90.2 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 May 26 at 3:04PM HST until May 28 at 6:00AM HST by NWS Honolulu HI

May 26, 3:04 PM → May 28, 6:00 AM

WHAT: East winds 20 to 30 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, Maalaea Bay, Pailolo Channel,
Alenuihaha Channel, Big Island Windward Waters, Big Island
Leeward Waters and Big Island Southeast Waters.

WHEN: Until 6 AM HST Thursday.

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: May 27, 2:16 AM Source: NWS Alert