Hawaii County Surf Forecast for May 21, 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 | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Sunny until 12 PM, then partly sunny. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | West winds around 5 mph. |
| Sunrise | 5:46 AM HST. |
| Sunset | 6:55 PM HST. |
| Weather | Sunny until 12 PM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | West winds around 5 mph, becoming northwest in the afternoon. |
| Sunrise | 5:46 AM HST. |
| Sunset | 6:56 PM HST. |
Swell Summary
No swell arrivals equate to very small surf along all shores the next couple of days.
The next small north northwest swell is scheduled to arrive Sunday and peak north and west facing shore surf into Monday morning with a gradual fall late Monday into Tuesday. A small northwest swell will fill in through mid week that will provide a minor boost in surf along many Kauai and Oahu north facing shorelines Thursday.
Small, long period southerly swells will keep surf from completely going flat along southern coasts. A couple of larger, long period southern pulses Tuesday and Thursday will pick south facing surf up to near seasonal heights.
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 through Saturday morning. A weakening of trades going into late Saturday will result in a subtle lowering of recently elevated eastern shore surf early next week. An increase in eastern surf will likely occur as trades pick back up during the middle of next week.
NORTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell.
Conditions: Sideshore texture/chop with SSE winds 15-20mph in the morning shifting ESE 10-15mph in the afternoon.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Light sideshore texture in the morning with SSW winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting W less than 5mph.
WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Fairly clean in the morning with NNE winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting WSW less than 5mph.
SOUTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell.
Conditions: Light sideshore texture in the morning with NE winds 5-10mph. Choppy/disorganized conditions for the afternoon with the winds shifting ENE 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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