NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ100-191315-  712 PM EDT Wed Mar 18 2026    .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM...  High pressure holds over the waters through Thursday while seas  remain elevated until Thursday morning. A frontal system passes north  of the waters Thursday night allowing southerly winds to freshen.  Additional frontal systems will cross New England Friday night  through Sunday with persistent south to southwest flow building seas  through the weekend.    $$
   ANZ154-191315-  Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out  25 NM-  712 PM EDT Wed Mar 18 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING    TONIGHT  S winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft  at 10 seconds and S 2 ft at 3 seconds. A slight chance of snow  showers towards daybreak.  THU  S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up  to 20 kt in the afternoon. Seas around 4 ft. Wave Detail: SE 4 ft at  10 seconds and S 2 ft at 4 seconds.  THU NIGHT  S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to  4 ft. Wave Detail: SE 4 ft at 9 seconds and S 3 ft at 4 seconds.  FRI  SW winds 10 to 15 kt, becoming S 5 to 10 kt in the afternoon.  Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at  9 seconds.  FRI NIGHT  S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to  5 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 9 seconds. A  chance of showers in the evening, then showers likely after  midnight.  SAT  S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.  Wave Detail: S 5 ft at 6 seconds and E 4 ft at 9 seconds. Showers  likely, mainly in the morning.  SAT NIGHT  SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to  6 ft.  SUN  SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.  A chance of rain.  SUN NIGHT  NW winds 15 to 20 kt, becoming N 20 to 25 kt after  midnight. Gusts up to 35 kt. Seas 4 to 6 ft. A chance of rain in the  evening.  MON  N winds 20 to 25 kt, diminishing to 15 to 20 kt in the  afternoon. Gusts up to 35 kt. Seas 4 to 6 ft.  MON NIGHT  N winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to  7 ft.    $$