Hawaii County Surf Forecast for September 17, 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 | 1-3 | 1-3 |
| South Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | East winds 5 to 10 mph. | |||||
|
||||||
| Sunrise | 6:08 AM HST. | |||||
| Sunset | 6:22 PM HST. | |||||
| Weather | Mostly cloudy. Frequent showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | |||||
| Winds | East winds around 5 mph. | |||||
|
||||||
| Weather | Partly sunny. Frequent showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | East winds 5 to 10 mph. | |||||
|
||||||
| Sunrise | 6:08 AM HST. | |||||
| Sunset | 6:21 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 3-5 | 3-5 | 3-5 | 3-5 |
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 70s. |
| Winds | North winds around 5 mph in the evening, becoming light and variable. |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Hazy. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Light and variable winds, becoming west around 5 mph in the afternoon. |
| Sunrise | 6:12 AM HST. |
| Sunset | 6:25 PM HST. |
Swell Summary
A small, long to medium period south swell will peak today and produce up to head high surf along south facing shores. This swell energy will slowly decrease on Monday and Tuesday. Another long period south swell will arrive next weekend, boosting surf heights along south facing shores.
Moderate trade winds will keep small east chop into next week. No significant swells are expected to reach north and west facing shores for the next seven days.
NORTH EAST
am 
pm
Surf: Knee high NE short period wind swell.
Conditions: Sideshore texture/chop with SSE winds 10-15mph in the morning shifting ESE for the afternoon.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with NE winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting WNW 10-15mph.
WEST
am pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with N winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting NW 10-15mph. Glassy conditions are expected for the late day with SE winds less than 5mph.
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: Semi choppy with ENE winds 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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