Hawaii Flow Report

SNOFLO^®

March 31 2025

Streamgauge	Streamflow	Gauge Height	Water Temp	Air Temp	Elevation	Watershed
KAWAIKOI STREAM NR WAIMEA 2025-03-31T03:20:00.000-10:00 USGS 16010000	3 cfs	1.94^ft		66^°	3422^ft	Kauai
WAIALAE STR AT ALT 3 2025-03-31T00:05:00.000-10:00 USGS 16019000	1 cfs	0.91^ft		65^°	3857^ft	Kauai
WAIMEA RIVER NR WAIMEA 2025-03-31T03:30:00.000-10:00 USGS 16031000	21 cfs	6.10^ft		84^°	15^ft	Kauai
SF WAILUA RIVER NR LIHUE 2025-03-31T03:45:00.000-10:00 USGS 16060000	18 cfs	2.16^ft		84^°	251^ft	Kauai
EB OF NF WAILUA RIVER NR LIHUE 2025-03-31T03:15:00.000-10:00 USGS 16068000	15 cfs	0.01^ft		80^°	500^ft	Kauai
LEFT BRANCH OPAEKAA STR NR KAPAA 2025-03-31T03:45:00.000-10:00 USGS 16071500	0 cfs	0.72^ft		82^°	473^ft	Kauai
HALAULANI STR AT ALT 400 FT NR KILAUEA 2025-03-31T03:35:00.000-10:00 USGS 16097500	4 cfs	0.88^ft		82^°	405^ft	Kauai
HANALEI RIVER NR HANALEI 2025-03-31T03:50:00.000-10:00 USGS 16103000	73 cfs	0.17^ft		81^°	74^ft	Kauai
WAINIHA RIVER NR HANALEI 2025-03-31T00:05:00.000-10:00 USGS 16108000	37 cfs	2.83^ft		73^°	990^ft	Kauai
NF KAUKONAHUA STR ABV RB 2025-03-31T03:15:00.000-10:00 USGS 16200000	1 cfs	1.49^ft		78^°	1233^ft	Oahu
SF KAUKONAHUA STR AT E PUMP 2025-03-31T03:10:00.000-10:00 USGS 16208000	1 cfs	1.28^ft		81^°	882^ft	Oahu
MAKAHA STR NR MAKAHA 2025-03-31T03:30:00.000-10:00 USGS 16211600	0 cfs	0.71^ft		81^°	944^ft	Oahu
KIPAPA STR NR WAHIAWA 2011-10-12T23:45:00.000-10:00 USGS 16212800	0 cfs			76^°	716^ft	Oahu
WAIKELE STR AT WAIPAHU 2025-03-31T00:00:00.000-10:00 USGS 16213000	12 cfs	1.88^ft	77^°	84^°	23^ft	Oahu
N. HALAWA STR NR HONOLULU 2025-03-31T03:15:00.000-10:00 USGS 16226200	0 cfs	5.93^ft		83^°	163^ft	Oahu
N. HALAWA STR NR QUAR. STN. AT HALAWA 2025-03-31T03:50:00.000-10:00 USGS 16226400	0 cfs	2.70^ft		84^°	66^ft	Oahu
MOANALUA STREAM NR KANEOHE 2025-03-31T00:00:00.000-10:00 USGS 16227500	0 cfs	2.00^ft		79^°	662^ft	Oahu
KALIHI STR NR HONOLULU 2025-03-31T00:05:00.000-10:00 USGS 16229000	0 cfs	2.15^ft		79^°	490^ft	Oahu
WAIHI STREAM AT HONOLULU 2025-03-31T03:25:00.000-10:00 USGS 16238500	0 cfs	1.62^ft	74^°	78^°	291^ft	Oahu
WAIAKEAKUA STR AT HONOLULU 2025-03-31T00:00:00.000-10:00 USGS 16240500	1 cfs	0.21^ft		78^°	277^ft	Oahu
MANOA STR AT KANEWAI FIELD 2014-11-06T23:45:00.000-10:00 USGS 16242500	8 cfs			83^°	29^ft	Oahu
PUKELE STREAM NEAR HONOLULU 2025-03-31T03:40:00.000-10:00 USGS 16244000	0 cfs	0.88^ft	76^°	83^°	364^ft	Oahu
WAIOMAO STREAM NR HONOLULU 2014-10-16T23:45:00.000-10:00 USGS 16246000	0 cfs			76^°	397^ft	Oahu
MANOA-PALOLO DRAINAGE CANAL AT MOILIILI 2025-03-31T00:00:00.000-10:00 USGS 16247100	10 cfs	0.90^ft		85^°	1^ft	Oahu
WAIMANALO STR AT WAIMANALO 2025-03-31T03:25:00.000-10:00 USGS 16249000	1 cfs	7.09^ft		83^°	20^ft	Oahu
MAKAWAO STR NR KAILUA 2025-03-31T00:05:00.000-10:00 USGS 16254000	2 cfs	6.76^ft		82^°	79^ft	Oahu
KAMOOALII STR BLW LULUKU STR NR KANEOHE 2005-09-30T23:45:00.000-10:00 USGS 16272200	11 cfs			78^°	125^ft	Oahu
HAIKU STR NR HEEIA 2025-03-31T03:20:00.000-10:00 USGS 16275000	1 cfs	1.13^ft		81^°	273^ft	Oahu
KAHALUU STR NR AHUIMANU 2025-03-31T03:20:00.000-10:00 USGS 16283200	2 cfs	1.27^ft		83^°	145^ft	Oahu
WAIHEE STR NR KAHALUU 2025-03-31T03:40:00.000-10:00 USGS 16284200	6 cfs	2.77^ft		77^°	175^ft	Oahu
WAIAHOLE STREAM ABOVE KAMEHAMEHA HWY 2025-03-31T03:35:00.000-10:00 USGS 16294100	28 cfs	8.76^ft		83^°	15^ft	Oahu
WAIKANE STR AT ALT 75 FT AT WAIKANE 2025-03-31T03:25:00.000-10:00 USGS 16294900	8 cfs	3.10^ft		85^°	100^ft	Oahu
HAKIPUU STREAM NEAR WAIKANE 2008-10-14T00:00:00.000-10:00 USGS 16295300	0 cfs			77^°	30^ft	Oahu
KAHANA STR AT ALT 30 FT NR KAHANA 2025-03-31T03:45:00.000-10:00 USGS 16296500	15 cfs	3.45^ft		85^°	29^ft	Oahu
PUNALUU DITCH NR PUNALUU 2008-12-30T23:45:00.000-10:00 USGS 16302000	3 cfs			76^°	221^ft	Oahu
PUNALUU STR NR PUNALUU 2009-01-31T23:45:00.000-10:00 USGS 16303000	4 cfs			76^°	233^ft	Oahu
KALUANUI STREAM NR PUNALUU 2025-03-31T03:15:00.000-10:00 USGS 16304200	0 cfs	3.79^ft		82^°	124^ft	Oahu
KAMANANUI STR AT PUPUKEA MIL RD 2025-03-31T03:35:00.000-10:00 USGS 16325000	0 cfs	0.34^ft		82^°	615^ft	Oahu
KAMANANUI STR AT MAUNAWAI 2025-03-31T03:30:00.000-10:00 USGS 16330000	0 cfs	1.31^ft		84^°	18^ft	Oahu
OPAEULA STR NR WAHIAWA 2025-03-31T03:55:00.000-10:00 USGS 16345000	0 cfs	1.34^ft		81^°	1160^ft	Oahu
HALAWA STREAM NEAR HALAWA 2025-03-31T00:05:00.000-10:00 USGS 16400000	3 cfs	1.61^ft		75^°	258^ft	Molokai
KAUNAKAKAI GULCH AT ALTITUDE 75 FEET 2025-03-31T03:45:00.000-10:00 USGS 16414200	0 cfs	3.54^ft		85^°	88^ft	Molokai
OHEO GULCH AT DAM NEAR KIPAHULU 2025-03-31T03:30:00.000-10:00 USGS 16501200	2 cfs	0.71^ft		79^°	431^ft	Maui
HANAWI STREAM NEAR NAHIKU 2025-03-31T03:35:00.000-10:00 USGS 16508000	2 cfs	0.27^ft		76^°	1322^ft	Maui
WEST WAILUAIKI STREAM NEAR KEANAE 2025-03-31T00:05:00.000-10:00 USGS 16518000	2 cfs	1.17^ft		78^°	1376^ft	Maui
WAIKAMOI STR AB RES AT KULA PL INTAKE NR OLINDA 2025-03-31T03:25:00.000-10:00 USGS 16552800	0 cfs	0.47^ft		66^°	4471^ft	Maui
HONOPOU STREAM NEAR HUELO 2025-03-31T00:05:00.000-10:00 USGS 16587000	0 cfs	0.59^ft		77^°	1207^ft	Maui
OPANA TUNNEL NEAR KAILIILI 2007-10-11T23:45:00.000-10:00 USGS 16599500	2 cfs			74^°	2338^ft	Maui
IAO STREAM AT KEPANIWAI PARK NR WAILUKU 2025-03-31T00:05:00.000-10:00 USGS 16604500	12 cfs	1.60^ft		68^°	797^ft	Maui
WAIHEE RIVER AT DAM NEAR WAIHEE 2025-03-31T00:05:00.000-10:00 USGS 16614000	38 cfs	1.58^ft		71^°	606^ft	Maui
KAHAKULOA STREAM NEAR HONOKOHAU 2025-03-31T03:35:00.000-10:00 USGS 16618000	4 cfs	0.21^ft	68^°	78^°	359^ft	Maui
HONOKOHAU STREAM NEAR HONOKOHAU 2025-03-31T03:45:00.000-10:00 USGS 16620000	8 cfs	2.05^ft		72^°	886^ft	Maui
WAIAKEA STREAM AT HOAKA ROAD 2005-09-30T23:45:00.000-10:00 USGS 16700600	49 cfs			80^°	854^ft	Hawaii
WAIAKEA STREAM AT HILO 2005-09-30T23:45:00.000-10:00 USGS 16701300	17 cfs			83^°	61^ft	Hawaii
WAILUKU RIVER AT PIIHONOUA 2025-03-31T03:50:00.000-10:00 USGS 16704000	25 cfs	1.91^ft		79^°	1084^ft	Hawaii
HONOLII STREAM NR PAPAIKOU 2025-03-31T03:55:00.000-10:00 USGS 16717000	19 cfs	2.36^ft		76^°	1557^ft	Hawaii
KAWAINUI STREAM NR KAMUELA 2025-03-31T03:45:00.000-10:00 USGS 16720000	0 cfs	1.09^ft		66^°	4073^ft	Hawaii
ALAKAHI STREAM NEAR KAMUELA 2025-03-31T03:10:00.000-10:00 USGS 16725000	0 cfs	1.45^ft		71^°	3897^ft	Hawaii
KOHAKOHAU STREAM ABOVE DWS INTAKE 2011-12-04T23:45:00.000-10:00 USGS 16756100	0 cfs			70^°	3474^ft	Hawaii
WAIKOLOA STR AT MARINE DAM NR KAMUELA 2011-12-06T23:45:00.000-10:00 USGS 16758000	3 cfs			70^°	3472^ft	Hawaii
PAAUAU GULCH AT PAHALA 2025-03-31T03:35:00.000-10:00 USGS 16770500	0 cfs	0.35^ft		81^°	982^ft	Hawaii

Streamflow levels across Hawaii are currently 30.0% of normal, with the Hanalei River Nr Hanalei reporting the highest discharge in the state with 74.7cfs and gauge stage of 0.17 ft. Meanwhile, the Manoa-Palolo Drainage Canal At Moiliili is seeing a spike in streamflows today after experiencing a 8.17% increase since yesterday, and currently running at 10.2cfs.

Maximum gauge stage in the state was last observed at the Waiahole Stream Above Kamehameha Hwy, currently reporting a stage of 8.76ft. The Kahaluu Str Nr Ahuimanu in the Oahu watershed is surging for this time of year at 2.6cfs, about -14.19% of normal.

Hawaii Flow History

Hawaii's hydrology is characterized by limited surface water due to high evapotranspiration rates and steep topography. Major surface flows include the Wailuku, Wailoa, and Kailua streams on the island of Hawaii, and the Hanalei and Wailua rivers on Kauai. The state has several reservoirs and dams, with the largest being the Kaloko Reservoir on Kauai. Hawaii's climate is tropical, with rainfall varying greatly across the islands and between seasons. The leeward sides of the islands are generally dry, while the windward sides receive more moisture. Watershed health is crucial to maintain water quality and quantity, with some watersheds experiencing degradation due to land use changes and invasive species. Snowpack is not relevant to hydrology in Hawaii due to its location in the tropics.

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