Hawaii County Surf Forecast for April 20, 2023
Forecast for Big Island Windward and Southeast
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 1-3 | 1-3 | 0-2 | 0-2 |
| East Facing | 2-4 | 2-4 | 0-2 | 0-2 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Partly sunny. Scattered showers and a slight chance of thunderstorms. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | South winds 5 to 10 mph. | |||||
|
||||||
| Sunrise | 5:58 AM HST. | |||||
| Sunset | 6:40 PM HST. | |||||
| Weather | Mostly cloudy. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
|
||||||
| Weather | Mostly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Southeast winds around 10 mph. | |||||
|
||||||
| Sunrise | 5:58 AM HST. | |||||
| Sunset | 6:40 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Partly sunny. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | South winds around 5 mph. |
| Sunrise | 6:02 AM HST. |
| Sunset | 6:44 PM HST. |
| Weather | Sunny until 12 PM, then partly sunny. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Northwest winds around 5 mph. |
| Sunrise | 6:02 AM HST. |
| Sunset | 6:44 PM HST. |
Swell Summary
The current moderate sized (short to medium period) west- northwest swell will peak today, then gradually decline through Saturday. A new long-period northwest swell is forecast to arrive Friday night, build through the day Saturday, then peak Saturday night into Sunday. A reinforcing long period northwest swell will move in Sunday night, peak on Monday, then slowly lower through the middle of next week.
Surf along south facing shores will remain tiny through Friday. A new long-period south swell will arrive Friday night, peak over the weekend, and then slowly decline through the middle of next week. This swell will give south shore surf a noticeable boost to near the summertime average Saturday through Monday.
Surf along east facing shores will remain small through the middle of next week.
NORTH EAST
am 
pm 
Surf: Small scale (ankle to knee high) surf.
Conditions: Clean in the morning with WSW winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting N less than 5mph.
NORTH WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with SSE winds less than 5mph. Light sideshore texture conditions for the afternoon with the winds shifting SSW 5-10mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with ENE winds less than 5mph. Glassy conditions for the afternoon with the winds shifting to the SSW.
SOUTH EAST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Bumpy/semi bumpy with S winds 10-15mph in the morning shifting SSE for the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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