Nearby Harbors
30.2317’ N, 89.1167’ W

Cat Island, MS

60°
H -°
L 58°
NE
18mph
Low tide
3:39 pm
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Cat Island, MS Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Oct 17 		Clear -º / 58º 2% NE 19 mph 74%
Sun
Oct 18 		Sunny/Wind
View Hourly 		72º / 59º 3% ENE 21 mph 59%
3am Clear 60º 1% NE 18 mph 73%
4am Clear 59º 2% NE 18 mph 73%
5am Clear 59º 2% NE 18 mph 74%
6am Clear 60º 2% NE 19 mph 74%
7am Clear 59º 2% NE 19 mph 76%
8am Sunny/Wind 61º 2% ENE 20 mph 76%
9am Sunny/Wind 62º 2% ENE 20 mph 75%
10am Sunny/Wind 64º 3% ENE 21 mph 70%
11am Sunny/Wind 65º 2% ENE 20 mph 65%
12pm Sunny 66º 1% ENE 18 mph 60%
1pm Sunny 67º 0% ENE 17 mph 55%
2pm Sunny 69º 0% ENE 15 mph 50%
3pm Sunny 69º 0% ENE 13 mph 49%
4pm Sunny 70º 0% ENE 13 mph 46%
5pm Sunny 71º 0% ENE 13 mph 44%
6pm Sunny 71º 0% ENE 13 mph 44%
7pm Clear 69º 0% NE 13 mph 48%
8pm Clear 68º 0% ENE 15 mph 51%
9pm Clear 67º 0% ENE 17 mph 54%
10pm Clear 66º 0% ENE 19 mph 57%
11pm Clear 65º 0% ENE 19 mph 59%
Mon
Oct 19 		Sunny
View Hourly 		75º / 62º 4% ENE 16 mph 60%
12am Clear 64º 0% ENE 17 mph 61%
1am Clear 64º 1% ENE 17 mph 62%
2am Clear 63º 2% ENE 17 mph 63%
3am Clear 62º 2% ENE 16 mph 65%
4am Clear 62º 3% ENE 16 mph 67%
5am Clear 61º 3% ENE 16 mph 70%
6am Clear 61º 4% NE 16 mph 73%
7am Clear 60º 4% NE 16 mph 74%
8am Sunny 61º 4% NE 16 mph 74%
9am Sunny 63º 4% NE 16 mph 73%
10am Sunny 64º 3% NE 16 mph 71%
11am Sunny 66º 2% NE 15 mph 65%
12pm Sunny 68º 2% ENE 13 mph 59%
1pm Sunny 70º 1% ENE 13 mph 55%
2pm Sunny 71º 1% ENE 12 mph 53%
3pm Sunny 72º 1% ENE 11 mph 51%
4pm Sunny 73º 1% E 11 mph 50%
5pm Sunny 73º 1% E 11 mph 50%
6pm Partly Cloudy 73º 1% ENE 10 mph 50%
7pm Partly Cloudy 72º 1% ENE 9 mph 55%
8pm Partly Cloudy 71º 1% ENE 10 mph 57%
9pm Partly Cloudy 70º 1% ENE 11 mph 59%
10pm Mostly Clear 68º 1% NE 12 mph 63%
11pm Partly Cloudy 67º 1% NE 13 mph 66%
Tue
Oct 20 		Sunny
View Hourly 		75º / 62º 2% ENE 14 mph 52%
12am Partly Cloudy 67º 1% NE 13 mph 67%
1am Mostly Clear 66º 1% NE 13 mph 68%
2am Mostly Clear 66º 1% NE 13 mph 69%
Wed
Oct 21 		Sunny 78º / 62º 1% ENE 10 mph 50%
Thu
Oct 22 		Sunny 78º / 61º 2% NNE 9 mph 49%
Fri
Oct 23 		Sunny 78º / 64º 2% ENE 9 mph 50%
Sat
Oct 24 		Sunny 77º / 61º 2% ENE 15 mph 55%

Weather Radar for Cat Island, MS See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Cat Island, MS

Sunday
High : 71ºF
ENE wind 10 to 20 kt. Sunny. Seas 3 to 4 ft.
Sunday Night
Low : 63ºF
ENE wind 15 to 20 kt. Clear. Seas around 4 ft.
Monday
High : 72ºF
ENE wind 10 to 20 kt. Sunny. Seas 2 to 4 ft.
Monday Night
Low : 64ºF
ENE wind 10 to 15 kt. Mostly clear. Seas 2 to 3 ft.
Tuesday
High : 74ºF
NE wind 10 to 15 kt. Sunny. Seas 1 to 3 ft.
Tuesday Night
Low : 65ºF
NE wind around 10 kt. Clear. Seas around 2 ft.
Wednesday
High : 74ºF
NE wind 5 to 10 kt becoming ESE in the afternoon. Sunny. Seas 1 to 2 ft.
Wednesday Night
Low : 65ºF
SE wind 5 to 10 kt becoming NNE after midnight. Clear. Seas 1 to 2 ft.
Thursday
High : 75ºF
NNE wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas 1 to 2 ft.

NOAA Buoy Data Near Cat Island, MS See Map

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    Wind Speed Forecast for Cat Island, MS

    SundayMondayTuesday
    Wind Speed (MPH) 18192013131916161511913
    8am12pm4pm8pm12am4am8am12pm4pm8pm12am4am
    MPH 18192013131916161511913
    DIR NENEENEENENEENEENENENEENEENENE

    Current Weather Conditions In Cat Island, MS

    As Of: 55 minutes ago

    • 60ºF
    • 57ºF
    • 18mph
    • 0º (NE)
    • 24mph
    • Clear
    • 10mi
    • 30.27"
    • 73%
    • 0ºF

    The weather right now in Cat Island, MS is Clear. The current temperature is 60°F, and the expected high and low for today, Sunday, October 18, 2026, are -° high temperature and 58°F low temperature. The wind is currently blowing at 18 miles per hour, and coming from the Northeast. The wind is gusting to 24 mph. With the wind and the atmosphere the temperature feels like 57° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 73 percent, and air pressure at 30.27 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 12:06am Sun Oct 18 2026

    ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING...

    WHAT: Northeast winds around 20 kt with gusts to 30 kts. Seas 5
    to 8 ft.

    WHERE: All protected lakes and sounds of southeast Louisiana
    and Mississippi as well as the open Gulf waters west of the
    Mississippi River.

    WHEN: Until 7 PM CDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&

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