Hawaii County Surf Forecast for September 22, 2021
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 | 3-5 | 3-5 | 4-6 | 4-6 |
| Weather | Mostly sunny. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Southeast winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:13 AM HST. |
| Sunset | 6:20 PM HST. |
| Weather | Partly sunny. Scattered showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | South winds around 5 mph, becoming southwest in the afternoon. |
| Sunrise | 6:13 AM HST. |
| Sunset | 6:19 PM HST. |
Swell Summary
Surf along exposed north and west facing shores has been trending up overnight and should peak early this morning as a north-northwest swell moves through. A gradual downward trend is expected later today through Thursday as the swell begins to move out. Surf will begin to climb once again Thursday night and peak just below the advisory levels for exposed north and west facing shores of the smaller islands Friday as a larger, north-northwest swell arrives. This swell will slowly fade over the weekend. Surf along south facing shores will remain up into the second half of the week as a long-period south swell moves through. This event should peak Thursday before fading into the weekend. Surf along the east-facing shores will be small and choppy for the next several days due to the locally fresh to strong trade winds.
NORTH EAST
am 
pm
Surf: Knee to thigh high ENE short period wind swell with occasional waist high sets.
Conditions: Bumpy/semi bumpy with E winds 10-15mph in the morning shifting ESE 5-10mph in the afternoon.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with SE winds less than 5mph. 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: Knee high E short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore texture/chop with NE winds 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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