Hawaii County Surf Forecast for August 20, 2023
Forecast for Big Island Windward and Southeast
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| East Facing | 1-3 | 1-3 | 2-4 | 2-4 |
| South Facing | 1-3 | 1-3 | 2-4 | 2-4 |
| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Northwest winds around 5 mph, becoming northeast in the afternoon. |
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| Sunrise | 6:02 AM HST. | |||||
| Sunset | 6:45 PM HST. | |||||
| Weather | Mostly cloudy. Showers likely. | ||||
|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||
| Winds | North winds 5 to 10 mph. | ||||
|
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| Weather | Cloudy. Showers and a slight chance of thunderstorms. |
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|---|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | ||||||
| Winds | Northeast winds 5 to 10 mph. | ||||||
|
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| Sunrise | 6:02 AM HST. | ||||||
| Sunset | 6:45 PM HST. | ||||||
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 1-3 | 1-3 | 2-4 | 2-4 |
| Weather | Sunny until 12 PM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the upper 80s. |
| Winds | South winds around 5 mph, becoming southwest in the afternoon. |
| Sunrise | 6:06 AM HST. |
| Sunset | 6:49 PM HST. |
| Weather | Mostly sunny until 12 PM, then cloudy. Scattered showers. |
|---|---|
| High Temperature | In the upper 80s. |
| Winds | Northeast winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:06 AM HST. |
| Sunset | 6:49 PM HST. |
Swell Summary
Surf along east facing shores will remain small through the rest of the weekend due to lighter than normal trades over and upstream of the state. A long-period east swell generated by Hurricane Hilary could bring an increase in surf Monday through the middle of next week. The latest forecast guidance continues to indicate a long- period swell peaking around 3 to 4 feet Tuesday and holding through Wednesday, before quickly lowering through Thursday. Forecast confidence for this swell's details remains low due to its distant source and the compact nature of tropical cyclones. South shore surf will remain small through the rest of the weekend. A small, medium- period south to south-southeast swell arriving early next week should produce a modest increase along south facing shores.
NORTH EAST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Fairly clean in the morning with S winds 5-10mph. Light sideshore texture conditions for the afternoon with the winds shifting to the SE.
NORTH WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with SSE winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting to the WSW.
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 to the SW.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Fairly clean in the morning with N winds 5-10mph. Light sideshore texture conditions for the afternoon with the winds shifting NNE 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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