Hawaii County Surf Forecast for March 11, 2021
Photo Credit: James Grenz
Forecast for South Big Island and Big Island North and East
HIGH SURF ADVISORY FOR EAST FACING SHORES
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| East Facing | 7-10 | 7-10 | 5-7 | 5-7 |
| South Facing | 2-4 | 2-4 | 3-5 | 3-5 |
| Weather | Cloudy. Scattered showers and a slight chance of thunderstorms. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
|
||||||
| Sunrise | 6:31 AM HST. | |||||
| Sunset | 6:29 PM HST. | |||||
| Weather | Mostly cloudy. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the mid 60s. | |||||
| Winds | South winds around 10 mph. | |||||
|
||||||
| Weather | Mostly cloudy. Numerous showers and a slight chance of thunderstorms. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Southeast winds 5 to 10 mph. | |||||
|
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| Sunrise | 6:30 AM HST. | |||||
| Sunset | 6:29 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Friday | ||
|---|---|---|---|---|
| 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 | Partly sunny. Hazy. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Northwest winds around 5 mph, becoming north in the afternoon. |
| Sunrise | 6:35 AM HST. |
| Sunset | 6:33 PM HST. |
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | In the mid 60s. |
| Winds | North winds around 5 mph, becoming east after midnight. |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Hazy. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | East winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:34 AM HST. |
| Sunset | 6:33 PM HST. |
Swell Summary
An elevated east swell will keep surf heights in the High Surf Advisory range today along east facing shores. This east swell will gradually lower from tonight through Friday. Small surf will continue along north and west facing shores through Friday. Surf heights along east facing shores will quickly rise and may reach warning levels Saturday and Sunday due to a combination of strong trades returning over the Kauai and Oahu waters and the arrival of a medium period north swell. Surf could reach advisory levels for north facing shores during this time. This swell will slowly decline from Sunday night into Tuesday. A small background south to southwest swell will keep surf small along most south facing shores with a small bump expected on Thursday and Friday.
NORTH EAST
am 
pm 
Surf: Knee to waist high E short period wind swell.
Conditions: Light sideshore texture in the morning with SSE winds 5-10mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SE 10-15mph.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Light sideshore texture in the morning with NE winds 5-10mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting to the NNW.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with NNW winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting WNW 5-10mph.
SOUTH EAST
am 
pm
Surf: Knee high ESE short period wind swell in the morning builds to knee to waist high for the afternoon.
Conditions: Clean in the morning with WNW winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting E 5-10mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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