Hawaii County Surf Forecast for December 06, 2021
Photo Credit: James Grenz
Forecast for Big Island Leeward
| Shores | Today | Tuesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 5-7 | 5-7 | 3-5 | 2-4 |
| South Facing | 6-8 | 4-6 | 3-5 | 3-5 |
| Weather | Cloudy. Showers likely with isolated thunderstorms. Some thunderstorms may produce gusty winds. |
|---|---|
| High Temperature | In the upper 70s. |
| Winds | Southeast winds around 5 mph, becoming northwest in the afternoon. |
| Sunrise | 6:46 AM HST. |
| Sunset | 5:45 PM HST. |
| Weather | Mostly cloudy. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Northeast winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:46 AM HST. |
| Sunset | 5:45 PM HST. |
Swell Summary
The most recent swell observations at the far northwest offshore buoys are beginning to show that the large north swell that peaked yesterday has begun a slow and steady decline. Swell at both offshore NOAA 001 and 101 buoys are observing a near 10 foot, 12-14 second swell (versus near 20 feet, 15 seconds a mere 24 hours ago). Surf has fallen below High Surf Warning heights and therefore have lowered flags to a High Surf Advisory (HSA) that is in effect for all north facing shorelines through the day. The HSA for west facing shores has been allowed to expire as surf heights have fallen below 12 feet (8 feet Big Island). North shore surf will likely fall below HSA levels tonight and will fade to small heights from late Tuesday into the weekend.
Strong southerly winds within and near recently strong convergent overnight rain bands developing far east of a kona low northwest of Kauai have produced periods of rough, short period chop that will be impacting south facing shores today. The latest PacIOOS buoy at Pearl Harbor has shown a very significant spike in significant wave height from 3 feet a few hours ago to near 10 feet this 0300 HST hour. As high pressure builds in from the northeast later this week, strengthening trade winds will result in elevated rough wind wave surf along most east facing shores from mid week onward.
NORTH EAST
am 
pm 
Surf: Knee to thigh high ESE short period wind swell for the morning drops a bit during the afternoon.
Conditions: Semi glassy in the morning with WNW winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SSE 10-15mph.
NORTH WEST
am 
pm 
Surf: Knee high SW short period wind swell with occasional thigh high sets.
Conditions: Light sideshore texture in the morning with ENE winds 5-10mph. Semi glassy conditions for the afternoon as the winds lighten to less than 5mph. Glassy conditions are expected by late afternoon with S winds less than 5mph.
WEST
am 
pm 
Surf: Waist to chest high SSW wind swell for the morning with occasional shoulder high sets. This drops a bit in the afternoon.
Conditions: Clean in the morning with ENE winds less than 5mph. Glassy conditions for the afternoon with the winds shifting to the ESE.
SOUTH EAST
am pm 
Surf: Waist to stomach high SSW short period wind swell in the morning with occasional chest high sets. This drops into the waist range for the afternoon.
Conditions: Clean in the early morning with NNW winds 5-10mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting ESE.
Data Courtesy of NOAA.gov and SwellInfo.com
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