Hawaii County Surf Forecast for August 15, 2021
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 2-4 | 3-5 | 5-7 |
| South Facing | 2-4 | 3-5 | 6-8 | 7-10 |
| Weather | Sunny until 12 PM, then partly sunny. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | South winds around 5 mph, becoming northwest in the afternoon. |
| Sunrise | 6:05 AM HST. |
| Sunset | 6:52 PM HST. |
Swell Summary
Observations from NDBC buoy 51101 NW of Kauai indicate that an expected pulse of long-period WNW swell has begun to arrive. This swell will spread to local waters today into Monday, with peak swell heights near 4 feet. The swell's height and period will diminish on Tuesday. Surf along S facing shores is expected to be trending up today into Monday, as a long-period S swell arrives. Several pulses of swell will likely make this a long-lived event, with a High Surf Advisory likely for S facing shores as the swell peaks Monday into Wednesday. Surf along E facing shores will remain relatively small for the next several days, while a small, long-period E swell from distant Hurricane Linda may arrive by the middle of the upcoming week.
NORTH EAST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting E 5-10mph.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the early morning with S winds less than 5mph. Sideshore texture/chop conditions move in during the morning hours with the winds shifting SW 10-15mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Sideshore texture/chop with SSE winds 5-10mph in the morning shifting W for the afternoon.
SOUTH EAST
am pm
Surf: Small scale (ankle to knee high) surf.
Conditions: Light sideshore texture in the morning with NNE winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting NE 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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