Hawaii County Surf Forecast for April 20, 2022
Photo Credit: James Grenz
Forecast for Big Island Leeward
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly sunny until 10 AM, then mostly cloudy. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | South winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:02 AM HST. |
| Sunset | 6:44 PM HST. |
| Weather | Mostly cloudy. Scattered showers. |
|---|---|
| Low Temperature | In the upper 60s. |
| Winds | Light and variable winds, becoming northeast around 5 mph after midnight. |
Swell Summary
Surf along north and west facing shores will trend up through the day as a larger, longer period northwest swell from what was once Typhoon Malakas travels down around the state through Thursday. Surf associated with this swell will peak later today and Thursday and then gradually lower Friday as the north-shifting swell begins to fade late this week. The next moderate size north northwest swell will arrive this weekend. This swell will boost weekend north shore surf heights to levels similar to what will be experienced the next couple of days. A new south swell is forecast to arrive sometime Friday night or Saturday. This will pick south surf back up to more seasonable heights early next week. A slight increase in upstream trades later this week will increase weekend into early week shorter period east wind wave chop along many eastern facing exposures.
NORTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell.
Conditions: Sideshore texture/chop with SE winds 5-10mph in the morning shifting ESE 10-15mph in the afternoon.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SW winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting to the W. Fairly clean conditions are expected for the late day with E winds 5-10mph.
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 W 5-10mph.
SOUTH EAST
am 
pm
Surf: Knee to waist high E short period wind swell.
Conditions: Light sideshore texture in the morning with NNE winds 5-10mph. Sideshore texture/chop conditions for the afternoon as the winds increase to 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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