Hawaii County Surf Forecast for July 19, 2023
Forecast for Big Island Windward and Southeast
HIGH SURF WARNING FOR EAST FACING SHORES
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 3-5 | 2-4 | 1-3 | 1-3 |
| East Facing | 14-18 | 7-10 | 3-5 | 3-5 |
| South Facing | 4-6 | 3-5 | 2-4 | 2-4 |
| Weather | Cloudy until 1 PM, then partly sunny. Showers with isolated thunderstorms. |
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|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Southeast winds 15 to 20 mph. | |||||
|
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| Sunrise | 5:52 AM HST. | |||||
| Sunset | 7:02 PM HST. | |||||
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Scattered showers. |
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|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | |||||
| Winds | East winds around 10 mph, becoming north after midnight. |
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|
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| Weather | Mostly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Northeast winds 10 to 15 mph. | |||||
|
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| Sunrise | 5:52 AM HST. | |||||
| Sunset | 7:01 PM HST. | |||||
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 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the upper 80s. |
| Winds | South winds around 10 mph, becoming north in the afternoon. |
| Sunrise | 5:56 AM HST. |
| Sunset | 7:06 PM HST. |
Swell Summary
Warning level surf generated by Calvin has peaked and will trend down through this afternoon. The High Surf Advisory will continue for east facing shores of Kauai and Oahu through this afternoon, but may need to be extended as the swell propagates north through the island chain. Even though low tide will coincide with the peak surf heights, minor overwash and erosion can occur for exposed low- lying coastal areas, especially through the morning hours. South facing shores will see a slight bump in surf as the fetch from the east side of Calvin generates a small, short period south swell through tonight. Otherwise, no significant swells are expected through the weekend.
NORTH EAST
am 
pm 
Surf: Head high E wind swell for the morning drops into the stomach to shoulder high zone during the afternoon.
Conditions: Choppy, strong sideshore current with ESE winds 25-30mph in the morning shifting SE 20-25mph in the afternoon.
NORTH WEST
am 
pm 
Surf: Small scale (ankle to knee high) surf.
Conditions: Light sideshore texture with SSW winds 5-10mph in the morning shifting WSW for the afternoon. Glassy conditions are expected by late afternoon with NW winds less than 5mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with ENE winds 5-10mph. Light sideshore texture conditions for the afternoon with the winds shifting to the NW.
SOUTH EAST
am pm 
Surf: Chest to head high E wind swell for the morning drops into the waist to chest high zone during the afternoon.
Conditions: Choppy with E winds 15-20mph in the morning decreasing to 5-10mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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