buoys, wind, tide, coastal weather and surf report

Big Island Surf Report

 

NOAA and CDIP Buoys Friday, July 31st, 5:05pm PDT Hawaii Buoys Swell Wind Temp NORTHWESTERN HAWAII ONE   6.2 ft --- 167° 14-17 kt 110° 79.7 °F NORTHWESTERN HAWAII TWO   --- --- --- 16-19 kt 100° 79.7 °F NORTHERN HAWAII ONE   7.9 ft --- 119° 19-23 kt 80° 78.8 °F Hanalei, Kauai, HI   5.6 ft 8 sec --- --- --- 79.7 °F WHOTS   --- --- --- 17 kt 100° 79.0 °F Waimea Bay, HI   4.3 ft 8 sec --- --- --- 79.9 °F Mokapu Point, HI   6.9 ft 8 sec --- --- --- 81.0 °F Barbers Point, Kalaeloa, HI   3.0 ft 13 sec --- --- --- 81.3 °F Pearl Harbor Entrance, HI   3.0 ft 13 sec --- --- --- 81.7 °F Pauwela, Maui, HI   6.6 ft 8 sec --- --- --- 79.0 °F Hilo, Hawaii, HI   7.2 ft 8 sec --- --- --- 80.8 °F SOUTHEAST HAWAII   7.9 ft --- 81° 12-16 kt 50° 82.0 °F SOUTHWEST HAWAII   8.2 ft --- 86° 19-23 kt 80° --- Tanapag, Saipan, NMI   3.6 ft 13 sec 83° --- --- 86.4 °F Rumung, Yap, Micronesia   5.2 ft 7 sec --- --- --- 84.4 °F Kalo, Majuro, Marshall Islands   --- --- --- --- --- --- Aunuu, American Samoa   8.5 ft 7 sec --- --- --- 80.6 °F King-Poloa, American Samoa   5.9 ft 11 sec 161° --- --- 80.6 °F Buoy data courtesy of NOAA and CDIP

 

Maui San Diego 48-hour Buoy Charts  -  Big Island Region Hilo, Big Island (CDIP 188) Yesterday Today 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 SOUTHWEST HAWAII (NOAA 51002) Yesterday Today 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 SOUTHEAST HAWAII (NOAA 51004) Yesterday Today 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 View all buoy charts  >> Buoy data courtesy of NOAA and CDIP

 

Hilo Buoy  -  7-day Forecast Hilo buoy forecast courtesy of CDIP

 

Maui San Diego Hilo Buoy  -  Swell Direction swell direction details Hilo buoy directional graphic courtesy of CDIP

 

Current Wind Conditions   Big Island Wind Observations Upolu Airport E (90°) 18-27 kt 1:15 pm  Fri 7/31 Kaluamakani ENE (60°) 17-29 kt 11:00 am  Fri 7/31 Puu Mali E (90°) 21-31 kt 1:00 pm  Fri 7/31 Kanakaleonui E (80°) 5-10 kt 11:00 am  Fri 7/31 Waipunalei ESE (120°) 4-10 kt 11:00 am  Fri 7/31 Laupahoehoe E (100°) 6-13 kt 11:00 am  Fri 7/31 Spencer ESE (120°) 7-11 kt 11:00 am  Fri 7/31 Hakalau NE (50°) 3-10 kt 12:45 pm  Fri 7/31 Kulaimano E (80°) 3-7 kt 11:00 am  Fri 7/31 Piihonua E (80°) 4-7 kt 11:00 am  Fri 7/31 Hilo Ap N (360°) 9-15 kt 1:00 pm  Fri 7/31 Hilo Hbr Nos N (0°) 7-8 kt 1:12 pm  Fri 7/31 Ipif Calm 11:00 am  Fri 7/31 Waiakea Exp Stn ? 2-6 kt 1:00 pm  Fri 7/31 Keaau NNE (30°) 5-10 kt 11:00 am  Fri 7/31 Pahoa N (0°) 1-3 kt 11:00 am  Fri 7/31 Nahuku N (10°) 15-26 kt 11:00 am  Fri 7/31 Keaumo N (350°) 12-23 kt 1:34 pm  Fri 7/31 Mauna Loa Obs ? 21-33 kt 1:00 pm  Fri 7/31 Pali 2 NNE (20°) 23-35 kt 1:01 pm  Fri 7/31 Kealakomo NE (50°) 21-34 kt 12:44 pm  Fri 7/31 Kapapala Calm 12:48 pm  Fri 7/31 Nene Cabin ESE (120°) 8-15 kt 1:23 pm  Fri 7/31 Kaiholena E (90°) 5-11 kt 11:00 am  Fri 7/31 Lower Kahuku N (10°) 3-12 kt 1:23 pm  Fri 7/31 South Point E (80°) 20-28 kt 1:00 pm  Fri 7/31 Kona Hema SW (230°) 4-6 kt 11:00 am  Fri 7/31 Kahuku Ranch W (260°) 5-10 kt 1:29 pm  Fri 7/31 Puho Cs W (270°) 4-9 kt 1:22 pm  Fri 7/31 Helco Lolo Ln W (260°) 1-5 kt 1:30 pm  Fri 7/31 Helco Hualalai Rd WSW (250°) 4-8 kt 1:30 pm  Fri 7/31 Keahuolu SW (230°) 0-2 kt 11:00 am  Fri 7/31 Kona Intl Ap WSW (250°) 10 kt 1:00 pm  Fri 7/31 Kaloko-honokohau WSW (240°) 6-10 kt 1:15 pm  Fri 7/31 Palamanui SSW (210°) 1-3 kt 11:00 am  Fri 7/31 Puu -- Kaiaulu Puu Waawaa NNW (330°) 6-11 kt 11:00 am  Fri 7/31 Kaupulehu E (80°) 9-22 kt 1:36 pm  Fri 7/31 Puu Waawaa N (0°) 9-23 kt 1:37 pm  Fri 7/31 Helco Mamalahoa 2 NNE (30°) 11-22 kt 1:30 pm  Fri 7/31 Mamalahoa WSW (250°) 2-5 kt 11:00 am  Fri 7/31 Helco Mamalahoa 3 N (360°) 19-28 kt 1:30 pm  Fri 7/31 Puuanahulu W (280°) 7-28 kt 1:37 pm  Fri 7/31 Ahumoa WSW (250°) 8-13 kt 1:35 pm  Fri 7/31 Aipaloa WSW (250°) 6-9 kt 11:00 am  Fri 7/31 Helco Saddle Rd W (260°) 3-8 kt 1:30 pm  Fri 7/31 Helco Mamalahoa NE (50°) 19-29 kt 1:30 pm  Fri 7/31 Helco Hokuloa Ucc NNE (30°) 33-42 kt 1:30 pm  Fri 7/31 Helco Waikoloa Rd N (10°) 17-27 kt 1:30 pm  Fri 7/31 Helco Waikoloa 2 NE (40°) 22-30 kt 1:30 pm  Fri 7/31 Waikoloa NNE (30°) 8-22 kt 1:35 pm  Fri 7/31 Helco Lalamilo N (350°) 15-27 kt 1:30 pm  Fri 7/31 Lalamilo ENE (60°) 6-13 kt 11:00 am  Fri 7/31 Helco Kawaihae Rd NE (50°) 31-44 kt 1:30 pm  Fri 7/31 Pta Kipuka Alala E (100°) 14-28 kt 12:55 pm  Fri 7/31 Pta West W (280°) 10-16 kt 12:56 pm  Fri 7/31 Pta Keamuku Calm 12:50 pm  Fri 7/31 Pta Range 17 WNW (290°) 8-30 kt 12:49 pm  Fri 7/31 Puhe Cs SSW (210°) 3-8 kt 1:24 pm  Fri 7/31 Kawaihae Nos -- Helco Hulukupuna W (260°) 7-11 kt 1:30 pm  Fri 7/31 Puuloa NE (50°) 29-39 kt 11:00 am  Fri 7/31 Helco Maluokalani WSW (250°) 5-8 kt 1:30 pm  Fri 7/31 Helco Ala Kahua SSW (200°) 5-9 kt 1:30 pm  Fri 7/31 Kohala Ranch W (280°) 5-13 kt 1:35 pm  Fri 7/31 Kehena N (360°) 8-18 kt 11:00 am  Fri 7/31 Wind observations courtesy of the National Weather Service

 

Big Island Tide Charts Tide chart courtesy of The University of South Carolina

 

Big Island Cloud Cover Satellite imagery courtesy of the National Weather Service

 

Tropical Storms Wundermap - East Pacific    Hurricane Archive Tropical storms map courtesy of the University of Hawaii Institute for Astronomy

 

Big Island Coastal Waters Forecast FZHW50 PHFO 311300 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 300 AM HST Fri Jul 31 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 300 AM HST Fri Jul 31 2026 .Synopsis for Hawaiian coastal waters... Trades quickly strengthen today with near gales possible in the windiest zones. Trades then gradually weaken early next week. Big Island Windward Waters- 300 AM HST Fri Jul 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... TODAY East winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 5 feet at 8 seconds and south 4 feet at 13 seconds. Scattered showers. TONIGHT East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 15 seconds and south 4 feet at 12 seconds. Scattered showers. FRIDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 7 to 8 feet. Wave Detail: East 6 feet at 15 seconds and south 3 feet at 12 seconds. Scattered showers. FRIDAY NIGHT East northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East 6 feet at 14 seconds. Scattered showers in the evening, then numerous showers after midnight. SATURDAY East northeast winds 15 to 20 knots. Seas 8 to 9 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. SATURDAY NIGHT East northeast winds 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: East 6 feet at 14 seconds. Scattered showers. SUNDAY East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 5 feet at 14 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. MONDAY East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 12 seconds. Isolated showers through the night, then scattered showers through the day. Big Island Leeward Waters- 300 AM HST Fri Jul 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... TODAY West of the Big Island, north winds 7 to 10 knots, backing to west this afternoon. Near South Point, east winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East southeast 5 feet at 5 seconds and south southwest 4 feet at 13 seconds. Scattered showers, mainly this morning. TONIGHT West northwest winds 7 to 10 knots west of the Big Island...East to 25 knots near South Point. Seas 5 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 12 seconds. Isolated showers. FRIDAY West of the Big Island, south southwest winds 7 to 10 knots, veering to west northwest in the afternoon. Near South Point, east winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 3 feet at 12 seconds. Isolated showers. FRIDAY NIGHT West of the Big Island, west winds 7 to 10 knots, veering to north northeast after midnight. Near South Point, east northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: Northeast 8 feet at 7 seconds. Isolated showers. SATURDAY Winds variable less than 10 knots west of the Big Island...East 20 to 25 knots near South Point. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds. Isolated showers in the morning. SATURDAY NIGHT West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 20 to 25 knots, becoming east northeast 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 6 seconds. Isolated showers after midnight. SUNDAY Winds variable less than 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers in the morning. Isolated showers through the day. MONDAY Winds variable less than 10 knots west of the Big Island...East 10 to 15 knots near South Point. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated showers in the morning. Isolated showers through the day. Big Island Southeast Waters- 300 AM HST Fri Jul 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... TODAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots this afternoon. Seas 6 to 8 feet. Wave Detail: East 5 feet at 16 seconds and south 4 feet at 13 seconds. Scattered showers. TONIGHT East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 6 feet at 15 seconds and south 4 feet at 12 seconds. Scattered showers. FRIDAY East northeast winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 8 to 10 feet. Wave Detail: East 8 feet at 15 seconds and south 3 feet at 12 seconds. Isolated showers. FRIDAY NIGHT East northeast winds 25 to 30 knots. Seas 8 to 10 feet. Wave Detail: East 9 feet at 7 seconds and east 5 feet at 14 seconds. Scattered showers. SATURDAY East northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East 8 feet at 7 seconds. Scattered showers. SATURDAY NIGHT East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 8 feet at 7 seconds and east 5 feet at 14 seconds. Scattered showers. SUNDAY East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 14 seconds. Scattered showers, mainly in the morning. MONDAY East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 12 seconds. Isolated showers, then scattered showers after midnight. Coastal waters forecast courtesy of the National Weather Service

 

Long-Range Surf Forecasts Wetsand Hawaii 7-day forecast Surfline Kona 3-day forecast Hilo 3-day forecast Hawaii South 3-day forecast Magic Seaweed Banyans 10-day forecast Honoli'i 10-day forecast Pohoiki 10-day forecast Long-range surf forecasts provided by Wetsand, Surfline and Magicseaweed