Marine forecast
Penobscot Bay, ME
- current wind
- 18 kt E
- Gusts
- 21 kt
- Air
- 48°F
- 72-hr peak
- 19 kt
- Peak seas
- 2 ft
Observed Tue 2:30 PM | ANZ151
- Gusts now
- 21 kt
- Air
- 48°F
- 72-hr peak
- 19 kt
- Peak seas
- 2 ft
In brief
At 2:30 pm EDT on Oct 13, 2026, NDBC station 44033 (Buoy F01 - Penobscot Bay, 20 miles away) measured wind from the E at 18 kt, gusting to 21 kt. The NWS forecast for Penobscot Bay, ME issued at 2:38 pm EDT on Oct 13, 2026 reads, for this afternoon: “E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.” A Small Craft Advisory is in effect until Wed 2:00 AM.
Source: National Weather Service Gray ME forecast; NDBC observations
Wind forecast · ktPeak 19 kt
Seas forecast · ftPeak 2 ft
Marine advisory
Small Craft Advisory in effect for Penobscot Bay until Wed 2:00 AM.
Full text of this small craft advisory
* WHAT...Southeast winds 10 to 20 kt with gusts up to 30 kt and seas 1 to 4 ft expected. * WHERE...Penobscot Bay and Casco Bay. * WHEN...From 5 PM this afternoon to 2 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.
NWS marine forecast
| Period | Forecast |
|---|---|
| This Afternoon | E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 2 ft at 2 seconds and S 2 ft at 9 seconds. Rain. Vsby 1 to 3 NM. |
| Tonight | SE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and S 2 ft at 9 seconds. Rain. Areas of fog. Vsby 1 to 3 NM. |
| Wed | SW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds. Areas of fog in the morning with vsby 1 to 3 NM. |
| Wed Night | NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. |
| Thu | NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 7 seconds. |
| Thu Night | N winds around 5 kt, becoming NE around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. |
| Fri | SE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Showers. |
| Fri Night | SW winds 15 to 20 kt, becoming W after midnight. Gusts up to 35 kt. Seas 2 to 4 ft. Showers. |
| Sat | NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to 4 ft. |
| Sat Night | NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. |
Issued Tue 2:38 PM by Gray ME (product CWFGYX).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 2:30 PM | 18 kt E | 21 kt | — | — |
| Tue 1:50 PM | 18 kt E | 23 kt | — | — |
| Tue 12:50 PM | 14 kt E | 18 kt | — | — |
| Tue 11:50 AM | 14 kt ENE | 16 kt | — | — |
| Tue 10:50 AM | 12 kt NE | 14 kt | — | — |
| Tue 9:50 AM | 12 kt NE | 16 kt | — | — |
| Tue 8:50 AM | 12 kt NE | 14 kt | — | — |
| Tue 7:50 AM | 12 kt NE | 18 kt | — | — |
| Tue 6:50 AM | 14 kt NE | 18 kt | — | — |
| Tue 5:50 AM | 14 kt NE | 19 kt | — | — |
| Tue 4:50 AM | 18 kt NE | 19 kt | — | — |
| Tue 3:50 AM | 14 kt NE | 19 kt | — | — |
Observed Tue 2:30 PM at NDBC buoy 44033 (Buoy F01 - Penobscot Bay), 19.6 miles away.
Frequently asked questions
What is the marine forecast for Penobscot Bay today?
This Afternoon: E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 2 ft at 2 seconds and S 2 ft at 9 seconds. Rain. Vsby 1 to 3 NM.
Is there a small craft advisory for Penobscot Bay?
Yes — small craft advisory in effect until Wed 2:00 AM.
What do the wind speeds in knots mean?
One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.
Where does this forecast come from?
The forecast text is the National Weather Service's own marine bulletin for zone ANZ151, issued by Gray ME, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.
Forecast: NOAA/NWS product CWFGYX, issued Tue 2:38 PM. Observations: NOAA National Data Buoy Center station 44033, read Tue 2:30 PM. Retrieved Oct 13, 3:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.