Hawaii County Surf Forecast for March 13, 2021
Forecast for South Big Island and Big Island North and East
Shores | Today | Sunday | ||
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Surf | Surf | |||
AM | PM | AM | PM | |
North Facing | 4-6 | 6-8 | 14-18 | 14-18 |
East Facing | 5-7 | 4-6 | 10-14 | 10-14 |
South Facing | 3-5 | 2-4 | 1-3 | 1-3 |
Weather | Mostly cloudy. Occasional showers with isolated thunderstorms. |
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High Temperature | In the upper 70s. | |||||
Winds | Southwest winds around 5 mph, becoming northwest in the afternoon. |
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Sunrise | 6:30 AM HST. | |||||
Sunset | 6:29 PM HST. |
Weather | Cloudy. Occasional showers with isolated thunderstorms. |
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Low Temperature | In the mid 60s. | |||||
Winds | Southwest winds around 5 mph in the evening, becoming light and variable. |
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Weather | Mostly cloudy. Occasional showers with isolated thunderstorms. |
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High Temperature | In the upper 70s. | |||||
Winds | Light and variable winds, becoming northeast around 5 mph in the afternoon. |
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Sunrise | 6:29 AM HST. | |||||
Sunset | 6:30 PM HST. |
Forecast for Big Island Leeward
Shores | Today | Sunday | ||
---|---|---|---|---|
Surf | Surf | |||
AM | PM | AM | PM | |
West Facing | 1-3 | 1-3 | 4-6 | 4-6 |
South Facing | 2-4 | 2-4 | 1-3 | 1-3 |
Weather | Cloudy. Occasional showers with isolated thunderstorms. |
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High Temperature | In the lower 80s. |
Winds | South winds around 5 mph, becoming southwest in the afternoon. |
Sunrise | 6:34 AM HST. |
Sunset | 6:33 PM HST. |
Weather | Partly sunny. Scattered showers. |
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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. |
Swell Summary
A new large north to north-northeast swell will rapidly fill in from northwest to southeast down the island chain today and tonight, hold through the remainder of the weekend, then slowly lower early next week. A moderate northwest swell will move through the islands Wednesday through late next week. An east swell will gradually lower through the weekend as trade winds upstream of the islands diminish. A more typical short-period trade wind swell will return during the middle to latter part of next week as trade winds over and upstream of the islands increase. Surf along south facing shores will receive a small boost today as a small southwest swell moves through the islands. South shore surf will then fall back to background levels Sunday through late next week.
NORTH EAST
am pm
Surf: Minimal surf (ankle or less) for the morning with a knee to thigh high NNW ground swell filling in during the afternoon.
Conditions: Glassy in the morning with W winds less than 5mph. Semi choppy conditions for the afternoon with the winds shifting NNW 5-10mph.
NORTH WEST
am pm
Surf: Small scale (ankle to knee high) surf.
Conditions: Sideshore texture/chop with S winds 20-25mph in the morning shifting SSW 15-20mph in the afternoon.
WEST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Sideshore texture/chop with SSE winds 10-15mph.
SOUTH EAST
am pm
Surf: Minimal (ankle high or less) surf.
Conditions: Choppy/disorganized with SSW winds 15-20mph in the morning decreasing to 10-15mph in the afternoon. Clean conditions are expected by late afternoon with NNW winds 5-10mph.
Data Courtesy of NOAA.gov and SwellInfo.com