Maine
East Branch Penobscot River at Grindstone
Current River Rating
Unavailable
Not enough local guidance to rate conditions.
Low confidence
Should I Go?
Not Enough Data
Timing Outlook
No reliable fishing window is available with the current data.
Why
- This river does not yet have enough local fishing guidance to assign a rating.
Cautions
- Water temperature is unavailable.
Blocking Factors
- Configured water observations are currently unavailable.
Current Readings
- Flow
- Not available
- Gage Height
- Not available
- Water Temperature
- Not available
- Latest current reading
- Not available
Monitoring temporarily unavailable. · USGS station 01029500 · Direct monitoring location
Readings from past 7 Days
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Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.
Better Nearby Options
Checking nearby StrikeTracks waters…
Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.
Changing Conditions Advisory
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Weather Near Gauge
Current Weather
Rain
Temperature
61°F
Feels like
61°F
Wind
7 mph N
Wind gust
20 mph
Current precipitation
0.02 in
Updated
Sep 5, 2026, 3:45 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.24 in
Little recent rainfall near this river.
Next 24 Hours
Sat 4 AM
Drizzle
Temp 61°F
Chance 12%
Precip 0.04 in
Wind 7 mph
Sat 8 AM
Clear
Temp 60°F
Chance 3%
Precip 0.00 in
Wind 10 mph
Sat 12 PM
Overcast
Temp 66°F
Chance 1%
Precip 0.00 in
Wind 13 mph
Sat 4 PM
Overcast
Temp 64°F
Chance 11%
Precip 0.00 in
Wind 11 mph
Sat 8 PM
Partly cloudy
Temp 59°F
Chance 3%
Precip 0.00 in
Wind 7 mph
Sun 12 AM
Overcast
Temp 54°F
Chance 2%
Precip 0.00 in
Wind 8 mph
Four-Day Forecast
Sat, Sep 5
Rain
High 66°F / Low 55°F
Chance 15%
Precip 0.09 in
Max gust 26 mph
Sun, Sep 6
Overcast
High 64°F / Low 49°F
Chance 5%
Precip 0.00 in
Max gust 24 mph
Mon, Sep 7
Overcast
High 77°F / Low 46°F
Chance 2%
Precip 0.00 in
Max gust 25 mph
Tue, Sep 8
Overcast
High 67°F / Low 46°F
Chance 8%
Precip 0.00 in
Max gust 29 mph
Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.
Weather data: Open-Meteo
Historical Flow
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Fishing Overview
This stretch offers a mix of riffles, runs, and quieter pools that can hold trout through much of the season. Check the live flow and temperature readings above before planning a trip, and adjust your approach as conditions change.
Fishery Profile
Documented species you may encounter at East Branch Penobscot River.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
East Branch Penobscot River at Grindstone is a northern Maine coldwater freestone with wild brook trout and landlocked salmon. USGS gage 01029500 provides live streamflow and stage. This record represents the Grindstone gauge reach, not the West Branch Penobscot or the entire Penobscot mainstem.
Target species
Brook Trout
Salvelinus fontinalis
- Expectation
- Primary
- Population
- Wild
- Native status
- native
- Confidence
- High confidence
MDIFW lists East Branch Penobscot River (Grindstone to T6 R8 WELS) primary fishery as wild brook trout and wild landlocked salmon.
Landlocked Salmon
Salmo salar
- Expectation
- Common
- Population
- Wild
- Native status
- native
- Confidence
- High confidence
MDIFW lists wild landlocked salmon among East Branch Penobscot primary fishery species at the Grindstone reach.
Fishery characteristics
- Composition
- Wild
- Great Lakes tributary
- No
- Flow regime
- Natural flow
East Branch Penobscot freestone habitat with brook trout and landlocked salmon near Grindstone in the Penobscot Region.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Fly fishing
- Nymphing
- Spinning
- Streamers
Access and Public Fishing Rights
Road and North Maine Woods corridor access patterns exist near Grindstone; confirm current access and fees with official land-manager and MDIFW resources. Catalog coordinates are the USGS Grindstone gage point.
Stocking information
MDIFW Penobscot Region materials emphasize wild brook trout and landlocked salmon on East Branch reaches. Confirm any current stockings on the official MDIFW stocking report.
Official sources
East Branch Penobscot special laws can be reach-specific. Always verify current MDIFW Open Water & Ice Fishing Laws for the Grindstone reach before fishing.
Hatch Match
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Location and Access
USGS monitoring location
Maine
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
Access, Parking, and Regulations
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