Overview Realtime Historical Map View
High Surf Advisory
2026-07-21T18:00:00-10:00

...HIGH SURF ADVISORY FOR SOUTH FACING SHORES THROUGH TUESDAY... .A moderate, long-period south swell will hold at advisory levels through Tuesday afternoon. The swell should begin to fade by Tuesday night or Wednesday, allowing surf to drop below advisory thresholds. * WHAT...Surf 7 to 10 feet. * WHERE...South facing shores of all Hawaiian Islands. * WHEN...Until 6 PM HST Tuesday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.

Paauau Gulch At Pahala, Hi Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-06 0.16
01-12 595.0
01-13 0.03
01-26 82.3
02-16 0.47
02-17 0.03
02-19 0.03
02-22 2.3
02-23 0.16
02-25 0.01
02-27 0.05
03-10 7.01
03-12 12.0
03-14 9.46
03-15 15.9
03-17 0.03
03-25 0.01
04-07 0.01
04-08 0.7
05-29 5.3
06-02 22.9
07-24 0.99
08-02 15.4
08-09 0.01
08-16 0.34
08-23 7.3
08-24 0.01
08-25 135.01
08-30 0.04
09-08 0.14
09-16 0.21
09-20 0.04
09-22 0.05
09-30 0.03
10-01 0.01
10-06 0.01
10-07 0.03
10-13 0.02
10-18 0.06
10-19 0.01
10-25 0.02
11-14 35.0
12-03 0.43
12-04 0.34
12-05 0.14
12-11 0.09
12-24 0.01

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index