Hawaii County Surf Forecast for December 18, 2023
Forecast for Big Island Windward and Southeast
HIGH SURF WARNING FOR EAST FACING SHORES
HIGH SURF ADVISORY FOR NORTH FACING SHORES
Shores | Today | Tuesday | ||
---|---|---|---|---|
Surf | Surf | |||
AM | PM | AM | PM | |
North Facing | 10-15 | 10-15 | 7-10 | 6-8 |
East Facing | 14-18 | 14-18 | 8-12 | 7-10 |
South Facing | 4-6 | 4-6 | 4-6 | 4-6 |
Weather | Mostly cloudy. Scattered showers. | |||||
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High Temperature | In the lower 80s. | |||||
Winds | North winds around 10 mph. | |||||
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Sunrise | 6:48 AM HST. | |||||
Sunset | 5:45 PM HST. |
Weather | Cloudy. Numerous showers. | |||||
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Low Temperature | In the mid 60s. | |||||
Winds | Northwest winds around 5 mph. | |||||
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Weather | Cloudy. Numerous showers. | |||||
---|---|---|---|---|---|---|
High Temperature | In the lower 80s. | |||||
Winds | North winds around 10 mph. | |||||
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Sunrise | 6:49 AM HST. | |||||
Sunset | 5:45 PM HST. |
Forecast for Big Island Leeward
Shores | Today | Tuesday | ||
---|---|---|---|---|
Surf | Surf | |||
AM | PM | AM | PM | |
West Facing | 3-5 | 3-5 | 3-5 | 3-5 |
South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
Weather | Mostly sunny until 12 PM, then mostly cloudy. Scattered showers. |
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High Temperature | In the lower 80s. |
Winds | Southeast winds around 5 mph, becoming southwest in the afternoon. |
Sunrise | 6:52 AM HST. |
Sunset | 5:49 PM HST. |
Weather | Partly sunny until 12 PM, then cloudy. Scattered showers. |
---|---|
High Temperature | In the lower 80s. |
Winds | Southeast winds around 5 mph, becoming west in the afternoon. |
Sunrise | 6:53 AM HST. |
Sunset | 5:49 PM HST. |
Swell Summary
A large, long-period northeast swell from a broad gale centered around 1600 nm northeast of the state has generated warning level surf for east facing shores this morning. Exposed north facing shores will also see an increase today as the northeast swell fills in to advisory levels. A small long period south swell will build into the region with a slight bump in south shore surf activity lasting into Tuesday.
Surf along north and west facing shores will remain elevated through Wednesday as small medium-period northwest swell fills in tonight through Tuesday. The next larger northwest swell builds in near High Surf Advisory levels for north facing shores from Thursday to Friday.
NORTH EAST
am pm
Surf: Chest to shoulder high N short period wind swell for the morning going more NNE and building into the chest to head range in the afternoon.
Conditions: Bumpy/choppy with NNE winds 15-20mph in the morning shifting NNW for the afternoon.
NORTH WEST
am pm
Surf: Waist to chest high N short period wind swell.
Conditions: Choppy/disorganized with NNE winds 10-15mph in the morning increasing to 20-25mph in the afternoon.
WEST
am pm
Surf: Knee high NW short period wind swell in the morning with occasional thigh high sets. This drops a bit in the afternoon.
Conditions: Glassy in the morning with ESE winds less than 5mph. Semi glassy conditions for the afternoon with the winds shifting to the SSE.
SOUTH EAST
am pm
Surf: Knee high ENE short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore/choppy with NNE winds 15-20mph in the morning shifting N 20-25mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com