Hawaii County Surf Forecast for February 18, 2021
Photo Credit: James Grenz
Forecast for South Big Island and Big Island North and East
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| East Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| Weather | Mostly cloudy. Showers likely and a slight chance of thunderstorms. |
|||||
|---|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | |||||
| Winds | East winds around 10 mph. | |||||
|
||||||
| Sunrise | 6:47 AM HST. | |||||
| Sunset | 6:21 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. | ||||
|---|---|---|---|---|---|
| High Temperature | In the lower 80s. | ||||
| Winds | Southeast winds around 10 mph. | ||||
|
|||||
| Sunrise | 6:46 AM HST. | ||||
| Sunset | 6:22 PM HST. | ||||
Forecast for Big Island Leeward
| Shores | Today | Friday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 3-5 | 2-4 | 2-4 | 1-3 |
| South Facing | 0-2 | 0-2 | 0-2 | 0-2 |
| Weather | Mostly cloudy. Hazy. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | West winds around 5 mph, becoming northwest in the afternoon. |
| Sunrise | 6:51 AM HST. |
| Sunset | 6:25 PM HST. |
| Weather | Mostly cloudy. Hazy. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| Low Temperature | In the mid 60s. |
| Winds | Southeast winds around 5 mph, becoming north after midnight. |
| Weather | Mostly cloudy. Hazy. Scattered showers and a slight chance of thunderstorms. |
|---|---|
| High Temperature | In the lower 80s. |
| Winds | West winds around 5 mph. |
| Sunrise | 6:50 AM HST. |
| Sunset | 6:26 PM HST. |
Swell Summary
The current northwest swell will be on a gradual decline over the next few days. A series of small west-northwest swells are expected over the weekend and through the first half of next week. Surf along east facing shores will gradually increase during the weekend into early next week and could reach advisory thresholds by early next week. Small, mainly background southerly swells will continue throughout the forecast period.
NORTH EAST
am 
pm
Surf: Knee to thigh high E short period wind swell.
Conditions: Choppy/disorganized with ESE winds 20-25mph in the morning shifting SE 15-20mph in the afternoon.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy/semi bumpy in the morning with WSW winds less than 5mph. Sideshore texture/chop conditions for the afternoon with the winds shifting SW 5-10mph. Clean conditions are expected for the late day with SE winds less than 5mph.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with S winds less than 5mph. This becomes Semi glassy/semi bumpy for the afternoon.
SOUTH EAST
am 
pm
Surf: Ankle high ESE short period wind swell in the morning builds a bit for the afternoon.
Conditions: Bumpy/choppy with E winds 15-20mph in the morning decreasing to 10-15mph in the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
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