Fern Forest
Independent directory listing. Not affiliated with Fern Forest. Manage this community? Claim it.
About
Gallery
Community details
- Lots
- 2,590
- Climate
- Tropical rainforest
- Infrastructure
- Solar, Septic
- Amenities
- Shared roads
- Parcel data
- Hawaii County (HI) Real Property Tax / GIS — https://www.hawaiipropertytax.com/
Typical flow by month
1928 to 2025
The water at Fern Forest typically runs highest in April, at a median 129 cfs, and lowest in February, at 30 cfs. The highest flow on record for any single day is 30,000 cfs, in 2018.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 36 | 16 to 130 |
| February | 30 | 9.8 to 154 |
| March | 81 | 27 to 302 |
| April | 129 | 58 to 326 |
| May | 89 | 42 to 200 |
| June | 52 | 27 to 116 |
| July | 69 | 31 to 170 |
| August | 75 | 36 to 174 |
| September | 57 | 26 to 127 |
| October | 62 | 26 to 150 |
| November | 100 | 39 to 280 |
| December | 70 | 32 to 250 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 96 years of record. Statistics published by the US Geological Survey for Wailuku River at Piihonua, HI (site 16704000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
More communities in Hawaii
Also nearby
Other ways to get outside within about an hour of here.
Free tools
Your free outdoor toolkit
Everything Map
Listings, trails, spots, clubs and public land on a single full-screen map. Switch layers on and off, then tap any point for the details.
Open Everything MapProperty Lines Map
Property lines from your state’s own public parcel records on satellite imagery. Search an address and tap a parcel for its parcel ID, size, and owner where the state publishes it.
Open Property Lines MapLand Report
Check land before you buy it: the FEMA flood zone, how the soil rates for a septic system, elevation, solar, and the parcel owner, from government data.
Open Land ReportCabin Builder
Sketch a cabin in 3D, then export a blueprint and bill of materials. Nothing to install.
Open Cabin BuilderSolar Planner
Size panels, batteries, and an inverter from your appliance loads, with real sun data for your land.
Open Solar PlannerHomestead Planner
Trace your parcel on satellite imagery and place a cabin, well, septic, solar array, and garden.
Open Homestead PlannerRoute Planner
Drop stops on a map and watch distance and drive time add up. Export a GPX or share the link.
Open Route PlannerLand for Sale
Browse parcels for sale on a map with acreage, price, and whether owner financing is offered.
Open Land for SaleMaintenance Schedules
Pick your equipment and get its full service schedule. Add your usage to turn intervals into dates.
Open Maintenance Schedules
