Hawaii County Surf Forecast for September 21, 2023
Forecast for Big Island Windward and Southeast
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| East Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly sunny. Scattered showers. | ||||
|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||
| Winds | North winds 5 to 10 mph. | ||||
|
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| Sunrise | 6:09 AM HST. | ||||
| Sunset | 6:18 PM HST. | ||||
| Weather | Mostly cloudy. Scattered showers. | ||||
|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||
| Winds | Northeast winds 5 to 10 mph. | ||||
|
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| Weather | Partly sunny. Scattered showers. | ||||
|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||
| Winds | Northeast winds 5 to 10 mph. | ||||
|
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| Sunrise | 6:09 AM HST. | ||||
| Sunset | 6:17 PM HST. | ||||
Forecast for Big Island Leeward
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
Swell Summary
Surf along south facing shores will remain around and just below the seasonal average through the weekend as southwest swells move through. For next week, expect the small surf to persist with mainly a mix of background southeast trade wind swell and leftover medium- period southwest swell. Surf along north and west facing shores could come up slightly over the weekend, then remain up next week for northern exposures due to tiny north to north-northeast swells. Surf along east facing shores will remain near seasonal average through Saturday then decline slightly Sunday.
NORTH EAST
am 
pm 
Surf: Knee high NE short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore texture/chop with SE winds 5-10mph.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with S winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SSW 10-15mph.
WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy/semi bumpy in the morning with W winds less than 5mph. Glassy conditions for the afternoon with the winds shifting to the NW.
SOUTH EAST
am pm 
Surf: Knee high E short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore texture/chop in the morning with NNE winds 10-15mph. This becomes Light sideshore texture for the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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