Hawaii County Surf Forecast for July 28, 2021
Forecast for Big Island Leeward
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| 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 | Mostly sunny until 12 PM, then mostly cloudy. Scattered showers with isolated thunderstorms. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | North winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 5:59 AM HST. |
| Sunset | 7:03 PM HST. |
| Weather | Mostly cloudy until 11 PM, then partly cloudy. Isolated showers. |
|---|---|
| Low Temperature | In the mid 70s. |
| Winds | Northwest winds around 5 mph in the evening, becoming light and variable. |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Light and variable winds, becoming west around 10 mph in the afternoon. |
| Sunrise | 5:59 AM HST. |
| Sunset | 7:02 PM HST. |
Swell Summary
Moderate choppy surf along east facing shores will remain on the small side through Thursday due to a surface ridge decreasing the fetch length of the trades upstream of the islands. A slight increasing trend in the trade wind swell and surf along all east facing shores will develop from Friday into the weekend.
A mix of south and southeast swells will keep small surf heights along exposed south shores into the first half of next week.
A small west-northwest swell, from tropical cyclone activity in the NW Pacific, may produce a minor bump in surf heights along some exposed north and west facing shores of Kauai and Oahu on Thursday and Friday. Otherwise fairly flat conditions are forecast into the first half of next week.
NORTH EAST
am 
pm
Surf: Knee to thigh high ENE short period wind swell with occasional waist high sets.
Conditions: Choppy/sideshore current with SE 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: Clean in the early morning with ESE winds less than 5mph. Semi choppy conditions move in during the morning hours with the winds shifting WSW 5-10mph.
WEST
am pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with N winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting WSW 5-10mph.
SOUTH EAST
am pm
Surf: Ankle high E short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore texture/chop with NE winds 5-10mph in the morning shifting ENE 10-15mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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