Hawaii County Surf Forecast for April 28, 2021
Forecast for Big Island Leeward
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 2-4 |
| South Facing | 1-3 | 1-3 | 2-4 | 2-4 |
Swell Summary
A small to moderate, mid period west-northwest swell will continue to fill in today and become more northwesterly through Thursday. Due to the west component of this swell, there may be some Kauai blocking for Oahu and Maui this morning. These islands will experience rising surf as the swell veers more northwest and comes out of Kauai's shadow through the afternoon. Surf will peak in the 6 to 8 foot range (face value) for many north and northwestern facing coastlines Thursday. Forerunners of a longer period west-northwest swell are scheduled to arrive late Thursday into early Friday with the main northwest swell originating from a NW Pacific storm arriving late Friday. This swell may peak surf along north and west facing shores to near or slightly above High Surf Advisory criteria Friday night and Saturday with a slow fall through early next week.
Small background southerly swells can be expected throughout the remainder of the week. A small bump in energy from southern hemisphere swells, along with wrap from the west-northwest swell, may slightly boost surf along southwest to south facing shores Thursday and Friday.
Due to the recent absence of trades, east facing shore surf will remain small the next couple of days. Trades will return and strengthen later this week which will provide an uptick in eastern coastline surf from higher wind wave swell.
NORTH EAST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy with SE winds less than 5mph in the morning shifting ENE for the afternoon.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy/semi bumpy with NNE winds less than 5mph in the morning shifting W 5-10mph in the afternoon.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SSE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting to the SSW. Glassy conditions are expected by late afternoon with WSW winds less than 5mph.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SW winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting SSE 5-10mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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