Marine forecast
Massachusetts Bay and Ipswich Bay, MA
- current wind
- 16 kt SSE
- Gusts
- 19 kt
- Seas
- 5.9 ft
- Period
- 6 sec
- Air
- 57°F
Observed Tue 3:10 PM | ANZ251
- Gusts now
- 19 kt
- Seas now
- 5.9 ft · 6 sec
- Air
- 57°F
- Water
- 58°F
- 72-hr peak
- 20 kt
In brief
At 3:10 pm EDT on Oct 13, 2026, NDBC station 44013 (BOSTON 16 NM East of Boston, MA, 10 miles away) measured wind from the SSE at 16 kt, gusting to 19 kt; buoy 44098 measured seas of 5.9 ft. The NWS forecast for Massachusetts Bay and Ipswich Bay, MA issued at 1:04 pm EDT on Oct 13, 2026 reads, for this afternoon: “SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.”
Source: National Weather Service Boston/Norton MA forecast; NDBC observations
Wind forecast · ktPeak 20 kt
Seas forecast · ftPeak 3 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| This Afternoon | SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. A chance of showers. |
| Tonight | S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds and S 3 ft at 5 seconds. Patchy fog. A chance of showers. |
| Wed | W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and SW 2 ft at 4 seconds. |
| Wed Night | NW winds around 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 3 seconds and E 3 ft at 7 seconds. |
| Thu | NW winds 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and E 2 ft at 7 seconds. |
| Thu Night | NE winds around 5 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 6 seconds and NW 1 foot at 3 seconds. |
| Fri And Fri Night | S winds 15 to 20 kt, becoming W 25 to 30 kt. Seas 2 to 4 ft. Showers. |
| Sat And Sat Night | NW winds 25 to 30 kt with gusts up to 40 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. |
Issued Tue 1:04 PM by Boston/Norton MA (product CWFBOX).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 3:10 PM | 16 kt SSE | 19 kt | — | 58°F |
| Tue 2:50 PM | 16 kt SSE | 19 kt | 4.9 ft | 58°F |
| Tue 1:50 PM | 14 kt SSE | 18 kt | 5.6 ft | 58°F |
| Tue 12:50 PM | 10 kt SE | 14 kt | 5.6 ft | 58°F |
| Tue 11:50 AM | 10 kt ESE | 14 kt | 5.9 ft | 58°F |
| Tue 10:50 AM | 12 kt E | 14 kt | 6.2 ft | 58°F |
| Tue 9:50 AM | 14 kt E | 18 kt | 5.6 ft | 58°F |
| Tue 8:50 AM | 16 kt E | 19 kt | 5.6 ft | 58°F |
| Tue 7:50 AM | 16 kt ENE | 18 kt | 5.2 ft | 58°F |
| Tue 6:50 AM | 16 kt ENE | 19 kt | 5.2 ft | 58°F |
| Tue 5:50 AM | 16 kt ENE | 19 kt | 4.9 ft | 58°F |
| Tue 4:50 AM | 18 kt E | 19 kt | 4.3 ft | 58°F |
Observed Tue 3:10 PM at NDBC buoy 44013 (BOSTON 16 NM East of Boston, MA), 10.1 miles away. Seas from buoy 44098 (Jeffrey's Ledge, NH (160)), 36.8 miles away, at Tue 3:00 PM.
Frequently asked questions
What is the marine forecast for Massachusetts Bay and Ipswich Bay today?
This Afternoon: SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. A chance of showers.
Is there a small craft advisory for Massachusetts Bay and Ipswich Bay?
No advisories, warnings or watches are in effect for NWS zone ANZ251 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.
How high are the waves at Massachusetts Bay and Ipswich Bay right now?
Seas are running 5.9 ft at a 6-second period, measured at NDBC buoy 44013 Tue 3:10 PM, 10.1 miles from this zone. The forecast peaks at 3.0 ft Tue 3 PM.
What is the water temperature at Massachusetts Bay and Ipswich Bay?
The nearest buoy read 58°F (14°C) at Tue 3:10 PM. Sea surface temperature at a single buoy can differ by several degrees from the water at a beach or in a shallow bay nearby.
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 ANZ251, issued by Boston/Norton MA, 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 CWFBOX, issued Tue 1:04 PM. Observations: NOAA National Data Buoy Center station 44013, read Tue 3:10 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.