Overview Realtime Historical Map View
Heat Advisory
2026-07-21T19:00:00-04:00

* WHAT...Heat index values up to 107 expected. * WHERE...Portions of southeast North Carolina and northeast South Carolina. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The potential exists that showers and thunderstorms developing along the sea breeze will produce enough rain and cloud cover to prevent portions of the advisory area from reaching a heat index of 105F or greater.

Waccamaw River At Conway Marina At Conway, Sc Historical Data

Historical Data


Streamflow Range


Date Average 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 2657.59
01-02 3102.0
01-03 3154.0
01-04 3206.8
01-05 3333.44
01-06 3246.0
01-07 3287.78
01-08 3214.44
01-09 3074.44
01-10 3112.22
01-11 3064.44
01-12 3062.22
01-13 2881.5
01-14 2712.64
01-15 2872.73
01-16 2757.91
01-17 2597.33
01-18 2515.73
01-19 2300.33
01-20 2335.55
01-21 2340.3
01-22 2282.3
01-23 1900.78
01-24 2021.73
01-25 2224.9
01-26 2114.8
01-27 2132.0
01-28 1868.58
01-29 1818.5
01-30 1790.58
01-31 1840.83
02-01 1882.5
02-02 2030.83
02-03 2105.83
02-04 2071.42
02-05 2413.0
02-06 2490.0
02-07 2357.0
02-08 2539.22
02-09 2572.33
02-10 2544.67
02-11 2233.67
02-12 2374.42
02-13 2697.27
02-14 2855.0
02-15 2955.0
02-16 2812.72
02-17 2963.0
02-18 2792.2
02-19 3134.67
02-20 3918.8
02-21 4062.6
02-22 4168.8
02-23 3829.27
02-24 3991.45
02-25 4094.4
02-26 3741.18
02-27 3723.58
02-28 3635.17
02-29 3188.15
03-01 3940.5
03-02 3530.39
03-03 3423.0
03-04 3278.64
03-05 3189.45
03-06 3300.9
03-07 3172.5
03-08 3042.2
03-09 2969.5
03-10 2722.0
03-11 2784.55
03-12 2800.0
03-13 2737.18
03-14 2678.64
03-15 2640.45
03-16 2468.98
03-17 2565.1
03-18 2435.1
03-19 2095.0
03-20 2052.4
03-21 1954.45
03-22 1513.12
03-23 2036.4
03-24 1789.09
03-25 1856.0
03-26 1814.18
03-27 1608.44
03-28 1523.17
03-29 1650.83
03-30 1872.0
03-31 2014.5
04-01 1814.0
04-02 1764.0
04-03 1589.92
04-04 1486.18
04-05 1290.49
04-06 1316.42
04-07 1196.0
04-08 1360.27
04-09 1446.83
04-10 1416.67
04-11 1494.33
04-12 1566.92
04-13 1559.17
04-14 1462.5
04-15 1552.9
04-16 1362.82
04-17 1313.64
04-18 1418.0
04-19 1428.2
04-20 1562.9
04-21 1556.7
04-22 1580.9
04-23 1479.82
04-24 1259.0
04-25 1346.2
04-26 1344.6
04-27 1400.9
04-28 1379.3
04-29 1528.1
04-30 1534.78
05-01 1580.33
05-02 1324.3
05-03 1376.38
05-04 1338.67
05-05 1289.67
05-06 1235.89
05-07 1300.38
05-08 1182.98
05-09 1165.45
05-10 1395.0
05-11 1162.67
05-12 1324.27
05-13 1359.73
05-14 1198.55
05-15 1106.91
05-16 1132.55
05-17 1354.89
05-18 1281.71
05-19 1479.0
05-20 1545.5
05-21 1369.67
05-22 1222.3
05-23 1139.98
05-24 1052.44
05-25 1097.96
05-26 933.0
05-27 860.0
05-28 766.16
05-29 1395.93
05-30 1675.78
05-31 1824.67
06-01 2014.38
06-02 2098.5
06-03 2474.0
06-04 2265.13
06-05 2482.57
06-06 2090.89
06-07 2181.9
06-08 2534.4
06-09 2542.2
06-10 2445.27
06-11 2269.27
06-12 2524.25
06-13 2328.75
06-14 2156.38
06-15 2193.25
06-16 1870.44
06-17 1803.0
06-18 2063.25
06-19 2104.71
06-20 1654.44
06-21 1760.88
06-22 1681.16
06-23 1859.43
06-24 1608.88
06-25 1654.0
06-26 1776.0
06-27 1683.5
06-28 1642.07
06-29 1413.22
06-30 1660.71
07-01 1732.71
07-02 1909.91
07-03 2284.0
07-04 2288.13
07-05 2750.57
07-06 2638.57
07-07 2406.67
07-08 2071.36
07-09 2240.3
07-10 1988.45
07-11 2059.0
07-12 2139.22
07-13 2117.5
07-14 1840.0
07-15 1671.11
07-16 2253.65
07-17 2004.2
07-18 2206.38
07-19 2081.0
07-20 1859.94
07-21 1818.19
07-22 1602.31
07-23 1573.06
07-24 1631.85
07-25 1687.62
07-26 1543.85
07-27 1398.49
07-28 1772.22
07-29 1842.13
07-30 1928.63
07-31 1932.14
08-01 1778.0
08-02 1946.43
08-03 2105.83
08-04 1976.14
08-05 1700.32
08-06 1915.75
08-07 2277.78
08-08 2408.0
08-09 2360.2
08-10 2208.9
08-11 2447.11
08-12 2546.67
08-13 2405.22
08-14 2530.25
08-15 2398.38
08-16 2179.68
08-17 2043.22
08-18 2056.11
08-19 2112.73
08-20 2086.18
08-21 2127.6
08-22 2254.0
08-23 2106.08
08-24 1954.92
08-25 2308.1
08-26 2137.64
08-27 1991.16
08-28 1707.42
08-29 1535.2
08-30 1625.01
08-31 1552.56
09-01 1723.73
09-02 2089.09
09-03 2082.92
09-04 2034.46
09-05 1931.15
09-06 1881.83
09-07 2220.54
09-08 2095.23
09-09 2361.91
09-10 2415.5
09-11 2505.1
09-12 2520.5
09-13 2526.2
09-14 2326.94
09-15 2333.97
09-16 2559.53
09-17 3501.9
09-18 4347.6
09-19 4082.73
09-20 4208.0
09-21 4422.0
09-22 4270.91
09-23 5221.55
09-24 5777.4
09-25 5739.2
09-26 2091.58
09-27 6010.21
09-28 6246.9
09-29 5820.9
09-30 5543.7
10-01 1739.1
10-02 1621.91
10-03 1601.18
10-04 2387.27
10-05 3099.09
10-06 2649.09
10-07 3109.75
10-08 2840.25
10-09 2760.18
10-10 4034.55
10-11 2715.64
10-12 2549.14
10-13 3301.97
10-14 3725.2
10-15 4163.98
10-16 4437.11
10-17 4073.28
10-18 5130.38
10-19 5557.14
10-20 4005.67
10-21 3973.56
10-22 3433.9
10-23 3284.8
10-24 3341.44
10-25 3105.67
10-26 2415.05
10-27 2436.1
10-28 2390.1
10-29 2344.51
10-30 2005.25
10-31 1860.73
11-01 1789.9
11-02 1904.44
11-03 1533.0
11-04 1734.6
11-05 1712.32
11-06 2068.71
11-07 1619.67
11-08 1639.67
11-09 1542.78
11-10 1480.11
11-11 1551.11
11-12 1564.56
11-13 1643.3
11-14 1934.56
11-15 1605.7
11-16 1796.5
11-17 1738.0
11-18 1318.15
11-19 1213.19
11-20 1621.13
11-21 1889.2
11-22 1843.44
11-23 2156.13
11-24 2109.25
11-25 2173.5
11-26 2063.71
11-27 2167.0
11-28 2123.1
11-29 1674.67
11-30 1931.2
12-01 2049.89
12-02 1787.9
12-03 1583.82
12-04 1625.8
12-05 1557.8
12-06 1715.56
12-07 1743.67
12-08 1545.9
12-09 1523.0
12-10 1501.36
12-11 1664.9
12-12 1535.0
12-13 1359.64
12-14 1167.22
12-15 1509.6
12-16 1644.2
12-17 1895.0
12-18 2122.82
12-19 2345.8
12-20 2109.3
12-21 2101.78
12-22 2227.56
12-23 2092.2
12-24 2341.5
12-25 2625.0
12-26 3050.0
12-27 2731.67
12-28 2607.65
12-29 2764.56
12-30 2708.18
12-31 2651.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index