Hawaii County Surf Forecast for September 17, 2021
Forecast for Big Island Leeward
Shores | Today | Saturday | ||
---|---|---|---|---|
Surf | Surf | |||
AM | PM | AM | PM | |
West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
Swell Summary
The south swell continues to decline with a very small, long period reinforcement filling in today. Small, long period south swell energy originating from current Southern Hemispheric gales southeast of New Zealand is timed to arrive toward the middle of next week.
The return of fresh trades has caused a steady increase in east facing shore surf. East surf should hold at seasonable levels over the next several days per these amped up trades over and upstream of the region.
A small, medium period northwest swell is expected to reach the islands late Saturday into Sunday. A series of slightly larger, medium period northwest swells emanating from a weekend North Pacific gale low will come through next week. These swells should lift mid week north and west facing shore surf up to near normal September heights.
NORTH EAST
am pm
Surf: Knee to waist high ENE short period wind swell.
Conditions: Light sideshore texture in the morning with SE winds 5-10mph. Semi choppy conditions for the afternoon with the winds shifting to the ESE.
NORTH WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with S winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SW 10-15mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SSE winds less than 5mph. Glassy conditions for the afternoon with the winds shifting to the SSW.
SOUTH EAST
am pm
Surf: Knee to waist high E short period wind swell with occasional stomach high sets.
Conditions: Sideshore texture/chop with NE winds 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com