Hawaii County Surf Forecast for March 18, 2023
Forecast for Big Island Windward and Southeast
| Shores | Today | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| East Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Isolated showers. |
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|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | South winds around 5 mph, increasing to southeast around 15 mph in the afternoon. |
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| Sunrise | 6:25 AM HST. | |||||
| Sunset | 6:31 PM HST. | |||||
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Isolated showers. |
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|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | |||||
| Winds | Southeast winds around 10 mph, becoming west after midnight. |
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| Weather | Mostly sunny until 12 PM, then mostly cloudy. Isolated showers. |
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|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | West winds around 5 mph, becoming southeast in the afternoon. |
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| Sunrise | 6:24 AM HST. | |||||
| Sunset | 6:31 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| South Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| Weather | Partly sunny. Isolated showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | North winds around 5 mph, becoming northwest in the afternoon. |
| Sunrise | 6:29 AM HST. |
| Sunset | 6:35 PM HST. |
| Weather | Partly sunny. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | East winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:28 AM HST. |
| Sunset | 6:35 PM HST. |
Swell Summary
Seas and surf will remain on the small side today. A medium period north (340-360) swell will build Sunday and peak Monday, boosting surf heights along north facing shores. For the south facing shores, a small long period swell will build Monday, producing near head high surf by Tuesday, and then slowly fade into Wednesday.
East swell energy will get into the action from Wednesday onward building surf heights along east facing shores as a large east to west 15 to 25 kt fetch area sets up just east of the island chain.
NORTH EAST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Light sideshore texture in the morning with SSE winds 10-15mph. Choppy/disorganized conditions for the afternoon with the winds shifting ESE 20-25mph.
NORTH WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the early morning with S winds less than 5mph. Sideshore texture/chop conditions move in during the morning hours with the winds shifting SSW 15-20mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy/semi bumpy in the morning with S winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting SSW 5-10mph.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with SE winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting SSE 5-10mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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