• NWS Forecast for Hawaii
  
• Hawaii Rainfall Totals Map
• Weather For Kailua-Kona
• Weather for Hilo
• Waimea-Kohala Airport
• Weather Stations
• Hawaii Drought Monitor
• Forecast.io
• King Tides

National Weather Service in Honolulu has weather info at these phone numbers:

• Hawaii (808) 935-8555
• Maui (808) 944-3756
• Oahu (808) 973-4380
• Kauai (808) 245-6001

Webcams

• Kailua Bay Webcam
• Hilo Bay Webcam from Tsunami Museum
• Banyans SurfCam
• Mauna Kea Summit Webcams
• Mauna Loa Observatory Webcams
• CFHT Webcams – Time Lapse
• Hawaiian Volcano Observatory

• NWS Radar – Interactive
• NexSat
• NASA’s Eyes on the Earth
• Windy.com

Severe Weather Links

• Central Pacific Hurricane Center
• National Hurricane Center
• Historical Hurricanes
• Hurricane Shelters (PDF)

Air Quality

• Hawaii SO2 Index
• VMAP – Vog Measurement & Prediction
• Hawaii Volcanoes National Park
• Hawaii Air Quality Index
• HVNP Sulfur Dioxide (SO₂) Conditions
• World Air Quality Index
• Vog Information Dashboard by IVHHN

Water Quality

• Hilo Bay Water Quality Buoy
• Current state warnings, Advisories, Postings
• EPA Environment Status

• Mauna Kea Weather Center Forecast
• Current Mauna Kea Weather
• Summit Road Conditions
• Mauna Kea Visitor Information Station

• Recent Earthquakes in Hawaii
• Recent Earthquake List
• IRIS Seismic Monitor
• Kilauea Status Report
• What’s Going on With the Volcano?
• Hawaii Volcano Observatory
• Latest Earthquakes Worldwide Map
• USGS Earthquake Notification
• Earthquake Preparedness
• Earthquake Hazards Mitigation
• Lava inundation zone maps for Mauna Loa

• Tide Predictions (NOAA)
• Hilo Bay
• Kailua-Kona
• Kawaihae Harbor
• Tide Map
• NOAA WaveWatch
• Surfline Forecasts – West Hawaii
• Surfline Forecasts – East Hawaii
• Surfline Forecasts – South Hawaii
• Honolii Surf Forecast
• Kawaihae Surf Forecast
• Lymans Surf Forecast
• Pohoiki Surf Forecast
• Hilo Buoy

Tsunami & Disaster Info

• Tsunami Evacuation Maps for Big Island
• Hawaii State Tsunami Evacuation Zones
• Hawaii Emergency Management Agency
• NOAA Tsunami Hazard Maps
• Pacific Tsunami Warning Center
• West Coast and Alaska Tsunami Info
• Sea Level Monitoring Facility
• DART Buoys
• Pacific Disaster Center
• International Tsunami Info Center
• Recent and Historical Tsunami Events
• OnTheMap for Emergency Management

• Live Big Island Traffic Map via Waze
• Hawaii County Civil Defense
• Hawaii State Civil Defense
• Monthly Star Chart for Hawaii
• Planetarium – Interactive Star Map
• USNO Astronomical Applications
• West Hawaii Astronomy Club
• Space Station Tracker
• Satellite Tracking
• NOAA Space Weather Prediction Center
• The Green Flash
• Cloud Appreciation Society
• FEMA
• Ready.gov
• Flood Insurance
• Live Flight Tracking via FlightAware
• Live Flight Tracking via FlightRadar24
• Marine Traffic
• FAA Special Use Airspace
• NASA Global Climate Change
• Red Cross – Hawaii Chapter
• Wikimapia
• Submarine Cable Map
• Hawaii Tiger Shark Tracking
• Hawaii Lighthouses
• Light Pollution Atlas