Hawaii County Surf Forecast for May 20, 2021
Forecast for Big Island Leeward
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
Swell Summary
The current small northwest swell passing around the islands will fade through today. Another small north northwest swell is scheduled to arrive Sunday and peak surf into Monday morning along north and west facing shores with a gradual fall late Monday into Tuesday. A small northwest swell will fill in through mid week that may peak surf to near head high along many Kauai and Oahu north shores.
Small, long period southerly swells will keep surf from completely going flat along southern coasts. The largest southern pulse is timed to arrive next Tuesday with a gradual decline into Thursday.
Several days of sustained moderate to fresh trade winds over and upstream of the islands will maintain small period, wind wave choppy surf along most eastern exposures. A slight weakening of trades early next week may result a subtle lowering of recently elevated eastern shore surf.
NORTH EAST
am 
pm
Surf: Waist to stomach high E short period wind swell.
Conditions: Choppy/disorganized with ESE winds 10-15mph.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the early morning with SE winds less than 5mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting W 5-10mph.
WEST
am pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with ESE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting W 5-10mph.
SOUTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell in the morning builds to waist to chest high for the afternoon.
Conditions: Semi choppy with ENE winds 5-10mph in the morning increasing to 10-15mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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