Hawaii County Surf Forecast for March 16, 2021
Forecast for South Big Island and Big Island North and East
HIGH SURF ADVISORY FOR EAST FACING SHORES
| Shores | Today | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 9-12 | 8-10 | 6-9 | 6-9 |
| East Facing | 7-10 | 7-10 | 6-8 | 6-8 |
| South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Northeast winds 5 to 10 mph. | |||||
|
||||||
| Sunrise | 6:27 AM HST. | |||||
| Sunset | 6:30 PM HST. | |||||
| Weather | Mostly cloudy. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| Low Temperature | In the mid 60s. | |||||
| Winds | North winds around 10 mph. | |||||
|
||||||
| Weather | Partly sunny. Scattered showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | Around 80. | |||||
| Winds | Northeast winds 10 to 15 mph. | |||||
|
||||||
| Sunrise | 6:26 AM HST. | |||||
| Sunset | 6:31 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Today | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
| Weather | Mostly sunny. Hazy. Showers likely. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Light and variable winds, becoming southwest around 5 mph in the afternoon. |
| Sunrise | 6:31 AM HST. |
| Sunset | 6:34 PM HST. |
| Weather | Mostly cloudy until 12 AM, then partly cloudy. Hazy. Scattered showers. |
|---|---|
| Low Temperature | In the lower 60s. |
| Winds | Southeast winds around 5 mph, becoming north after midnight. |
Swell Summary
Fresh to strong trade winds expected over the western half of the state today, while moderate trade winds are expected over the eastern half. The breezy trades will fill in for all coastal waters tonight and Wednesday and may reach gale strength by Friday or Saturday. A moderate to large north swell will continue today, then decline tonight. A High Surf Advisory is posted for east facing shores of Kauai, Oahu, Molokai, Maui and Big Island due to exposure to the north swell today and building trade winds through Wednesday. This advisory will likely be extended to the end of the week as winds strengthen and spread to all islands. A small to moderate northwest swell will build later today and linger until the end of the week. A small background south swell will continue this week.
NORTH EAST
am 
pm 
Surf: Minimal surf (ankle or less) for the morning with a knee to thigh high NNW wind swell filling in during the afternoon.
Conditions: Semi glassy in the morning with SSE winds 5-10mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting E less than 5mph.
NORTH WEST
am pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with NE winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting NW 10-15mph. Glassy conditions are expected by late afternoon with W winds less than 5mph.
WEST
am pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the early morning with N winds less than 5mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting WNW 5-10mph.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with ENE winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting NE 10-15mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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