Hawaii County Surf Forecast for September 13, 2023
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| East Facing | 4-6 | 4-6 | 3-5 | 3-5 |
| South Facing | 4-6 | 4-6 | 3-5 | 3-5 |
| Weather | Mostly cloudy. Scattered showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||
| Winds | Northeast winds 5 to 10 mph, becoming northwest after midnight. |
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| Weather | Partly sunny. Numerous showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | North winds around 10 mph. | |||||
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| Sunrise | 6:07 AM HST. | |||||
| Sunset | 6:26 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | West winds around 5 mph, becoming southeast in the evening, then becoming light and variable after midnight. |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Southwest winds around 5 mph. |
| Sunrise | 6:11 AM HST. |
| Sunset | 6:30 PM HST. |
Swell Summary
A relatively small, medium period east swell that originated from former Tropical Cyclone Jova has been moving through the area over the past day or so. This swell appears to have peaked and will be declining through Wednesday. The declining swell, combined with the weakening winds starting late Wednesday, should result in east shore surf below the seasonal average for the second half of the week. For the south shores, a small, medium period south (180-190 degrees) swell continues to move through the area. This swell will begin to decline on Wednesday. Another small south swell is forecast to arrive this weekend. No significant swells are expected to affect the north-facing shores through the forecast period.
NORTH EAST
am 
pm 
Surf: Minimal surf (ankle or less) for the morning with a knee to thigh high NE short period wind swell filling in during the afternoon with occasional waist sets.
Conditions: Fairly clean in the early morning with S winds 5-10mph. Sideshore texture/chop conditions move in during the morning hours with the winds shifting ESE 10-15mph.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SSW winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SW 10-15mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SSE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting WSW 5-10mph.
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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