Hawaii County Surf Forecast for February 20, 2021
Photo Credit: James Grenz
Forecast for South Big Island and Big Island North and East
| Shores | Today | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| East Facing | 2-4 | 2-4 | 3-5 | 4-6 |
| South Facing | 1-3 | 1-3 | 2-4 | 2-4 |
| Weather | Mostly cloudy. Scattered showers and a slight chance of thunderstorms. |
||||
|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | ||||
| Winds | Southeast winds 5 to 10 mph. | ||||
|
|||||
| Sunrise | 6:45 AM HST. | ||||
| Sunset | 6:22 PM HST. | ||||
| Weather | Mostly cloudy. Showers likely. | ||||
|---|---|---|---|---|---|
| Low Temperature | In the mid 60s. | ||||
| Winds | Southeast winds 5 to 10 mph. | ||||
|
|||||
| Weather | Mostly cloudy. Showers likely and a slight chance of thunderstorms. |
||||||
|---|---|---|---|---|---|---|---|
| High Temperature | Around 80. | ||||||
| Winds | Southeast winds 5 to 10 mph. | ||||||
|
|||||||
| Sunrise | 6:45 AM HST. | ||||||
| Sunset | 6:23 PM HST. | ||||||
Forecast for Big Island Leeward
| Shores | Today | Sunday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| South Facing | 1-3 | 1-3 | 2-4 | 2-4 |
| Weather | Mostly sunny until 12 PM, then mostly cloudy. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | Northeast winds around 5 mph, becoming west in the afternoon. |
| Sunrise | 6:49 AM HST. |
| Sunset | 6:27 PM HST. |
Swell Summary
A couple of small, longer period west northwest swells will travel around the islands in the coming days. The first of these swells will be arriving today and be leveling out from Sunday night through Tuesday afternoon. The second set of similar low west to northwest swells will be moving through around mid week.
In response to strengthened trades over and upstream of the islands, east-facing shore surf will increase going into early next week. Recent satellite observations verify a large region of strong trades upstream of the state that will likely generate a long enough fetch region to produce near advisory level surf along eastern exposures by Monday. Energy from far Southern Hemispheric gales clipping the islands this weekend will provide a subtle boost to south-facing shoreline surf.
NORTH EAST
am 
pm 
Surf: Knee to thigh high E short period wind swell in the morning builds in the afternoon with occasional sets up to stomach high.
Conditions: Sideshore texture/chop with SSE winds 15-20mph in the morning shifting SE for the afternoon.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the early morning with ESE winds less than 5mph. Semi choppy conditions move in during the morning hours with the winds shifting WSW 5-10mph.
WEST
am 
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with SSE winds less than 5mph. Semi glassy/semi bumpy conditions for the afternoon with the winds shifting SW 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: Semi choppy with ENE winds 5-10mph in the morning shifting NE 10-15mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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