Hawaii County Surf Forecast for March 14, 2021
Forecast for South Big Island and Big Island North and East
HIGH SURF ADVISORY FOR NORTH AND EAST FACING SHORES
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 14-18 | 14-18 | 12-16 | 12-16 |
| East Facing | 10-14 | 10-14 | 9-12 | 9-12 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Cloudy until 12 PM, then partly sunny. Showers with isolated thunderstorms. |
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|---|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | |||||
| Winds | Light and variable winds, becoming southeast around 5 mph in the afternoon. |
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| Sunrise | 6:29 AM HST. | |||||
| Sunset | 6:30 PM HST. | |||||
| Weather | Mostly cloudy. Numerous showers with isolated thunderstorms. |
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|---|---|---|---|---|---|---|
| Low Temperature | In the mid 60s. | |||||
| Winds | South winds around 5 mph. | |||||
|
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| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Light and variable winds, becoming southeast around 10 mph in the afternoon. |
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| Sunrise | 6:28 AM HST. | |||||
| Sunset | 6:30 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Monday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 4-6 | 4-6 | 3-5 | 3-5 |
| South Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| Weather | Mostly cloudy. Numerous showers with isolated thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Light and variable winds, becoming west around 5 mph in the afternoon. |
| Sunrise | 6:33 AM HST. |
| Sunset | 6:34 PM HST. |
| Weather | Mostly cloudy until 8 PM, then partly cloudy. Isolated showers and thunderstorms. |
|---|---|
| Low Temperature | In the lower 60s. |
| Winds | Northwest winds around 5 mph in the evening, becoming light and variable. |
| Weather | Partly sunny. Scattered showers. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Light and variable winds, becoming northwest around 5 mph in the afternoon. |
| Sunrise | 6:32 AM HST. |
| Sunset | 6:34 PM HST. |
Swell Summary
Dominant north-northeast swells will build and maintain surf at or above advisory levels across Niihau, Kauai, Oahu, Molokai, Maui and the Big Island's northern and eastern exposures, including Maui's west-facing coastline due to northerly wrap, the next couple of days. These swells will hold through the day and will slowly diminish through Tuesday. This moderate north swell, along with a lingering easterly wind swell, has extended the High Surf Advisory (HSA) for these coastlines through Monday night. Surf should fall below advisory thresholds along north and east-facing shorelines and west-facing Maui shores Tuesday morning. Recent east swells will gradually lower through Monday as trades weaken just upstream of the chain. The next low, moderate period northwest swells are scheduled to pass around the islands during mid to late week. A more typical short period trade wind swell will return during the latter part of the week in response to restrengthening trades over and upstream of the islands. Surf along south-facing shores will remain at more seasonable levels the next few days as low Southern Hemispheric moderate period swells reach the state.
NORTH EAST
am 
pm 
Surf: Waist to chest high N medium period swell for the morning with occasional shoulder sets. This rotates more NNE and builds in the afternoon with sets up to 1-2′ overhead high.
Conditions: Glassy in the morning with SSE winds less than 5mph. Semi glassy conditions for the afternoon with the winds shifting to the SE.
NORTH WEST
am 
pm 
Surf: Knee high N medium period swell in the morning builds in the afternoon with occasional sets up to stomach high.
Conditions: Glassy in the early morning with E winds less than 5mph. Sideshore texture/chop conditions move in during the morning hours with the winds shifting SW 10-15mph.
WEST
am 
pm 
Surf: Small scale (ankle to knee high) surf.
Conditions: Light sideshore texture in the morning with SSE winds 5-10mph. Semi choppy conditions for the afternoon with the winds shifting to the S.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with NW winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting to the SSW.
Data Courtesy of NOAA.gov and SwellInfo.com
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