Divers

Be prepared for wind, waves & currents

Today’s Beach Conditions (Kaua‘i, O‘ahu, Maui, Big Island)

• Quick Beach Safety Check (HiOOS)
• Jellyfish & Other Dangerous Creatures (Local Matters, Inc.)

Additional Near-shore Surface Wave Information

• UH Coastal Wave Buoys
  
  Choose a buoy location O‘ahu North Shore: Waimea Bay O‘ahu East Shore: Kailua Bay O‘ahu South Shore: Kilo Nalu Reef Observatory O‘ahu West Shore: Barber's Pt. Maui: Kahului Lana‘i: Kaumalapau Hbr. Big Island: Hilo
• Wave Height Forecast Maps for O‘ahu, Maui, Kaua‘i and the Big Island (UH/SOEST)
• Surf Forecasts
  
  Choose a forecast source Oahu Surf Forecast (National Weather Service - NWS) Surf News Network (commercial site with some free info) wetSand (commercial site with some free info) Surfline (commercial site with some free info)

Weather

• UH Meteorology Department Weather Server: Current observations
• NWS Honolulu Weather Forecast Office
• Radar Maps of Precipitation
• Satellie Images, Including Visible and Infrared
• Plots of forecasts at 3-hr intervals of surface winds, air temperature, weather, cloud cover, probability of precipitation, and swell
• NWS Central Pacific Hurricane Center

Tides

• Annual Tide Prediction Tables (NOAA)
• WWW Tide and Current Predictor Stations

Courtesy of the WWW Tide and Current Predictor


Choose a location NORTHWEST HAWAIIAN ISLANDS • East Island, French Frigate Shoals • Laysan Island • Sand Island, Midway Islands NI'IHAU • Nonopapa KAUA'I • Hanamaulu Bay • Nawiliwili Harbor • Hanalei Bay • Port Allen, Hanapepe Bay • Waimea Bay O'AHU • Hanauma Bay • Waimanalo • Moku o Loe (Coconut Island), Kaneohe Bay • Waikane, Kaneohe Bay • Honolulu, Honolulu Harbor • Laie Bay • Pearl Harbor, Ford Island Ferry • Pearl Harbor Entrance, Bishop Point • Haleiwa, Waialua Bay • Waianae, Pokai Bay MOLOKA'I • Kalohi Channel Tidal Currents • Pukoo Harbor • Kamalo Harbor • Kaunakakai • Kolo MAUI • Hana • Makena • Kihei • Kahului • Lahaina LANA'I • Kaumalapau KAHO'OLAWE • Kuheia Bay • Smuggler Cove BIG ISLAND OF HAWAI'I • Hilo • Honuapo • Kawaihae • Mahukona • Kailua Kona • Napoopoo, Kealakekua Bay

Surface Currents, including Tidal

• Real-time Surface Currents Along the South Shore of O‘ahu (coming soon)
• Experimental Model of Surface Tidal Currents (coming soon)

O‘ahu South Shore Water Quality

• Clean Water Branch Warnings, Water Temperature, Salinity, Turbidity, Chlorophyll, & More

• Real-Time Water Quality - O‘ahu South Shore
  (click on the map, to go to the new water quality map viewer)
  
  
• State of Hawai‘i — Clean Water Branch
• Harmful Algal Blooms (general info)
• Ciguatera Fish Poisoning (PDF)
• Economic Impact (on Maui tourism)

DLNR Division of Aquatic Resources — Fishing Regulations

• Regulated areas (view map JPG)

Diving Information (from HawaiiScubaDiving.com)

• Training, Dive Sites (including wrecks), Dive Companies & more.