Hawaii County Surf Forecast for October 19, 2021
Forecast for Big Island Leeward
| Shores | Today | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 2-4 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
Swell Summary
A series of north swells will move through the coastal waters this week. A recent small north pulse will be reinforced by a larger, medium period north-northwest swell tonight through Wednesday. An even larger north swell follows Thursday night and Friday that will likely drive late week north facing shore surf heights to High Surf Advisory levels.
Weakened trades equates to lower east facing shore surf through the middle of the week. Strengthening trades on Friday will lead to increasing surf along the eastern shores with this heightened east wind wave chop persisting through the weekend.
Small surf along the south facing shores will get a minor boost today as a small, but relatively long 14 to 16 second period south swell travels around the chain. This swell will linger through Wednesday before tapering off at the end of the week.
NORTH EAST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy/semi bumpy with N winds less than 5mph. Glassy conditions are expected for the late day with NNE winds less than 5mph.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Sideshore texture/chop with NE winds 5-10mph in the morning shifting WSW 10-15mph in the afternoon.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with SE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting SW 5-10mph.
SOUTH EAST
am pm
Surf: Small scale (ankle to knee high) surf.
Conditions: Light sideshore texture in the morning with NNE winds 10-15mph. Semi clean/sideshore texture and current conditions for the afternoon with the winds shifting to the N.
Data Courtesy of NOAA.gov and SwellInfo.com
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