Seven-day Port Aransas outlook: highs 87–90°F, lows 81–82°F, winds predominantly S. Tide windows, spot list, and links to live local reports.
WEEK AT A GLANCE
Daytime highs range from 87°F to 90°F, overnight lows 81°F to 82°F. Winds predominantly out of the S.
DAILY FORECAST
Monday, Aug 17 — Sunny. High 88°F, low 82°F. Wind SSE 3 to 12 mph.
Tuesday, Aug 18 — Mostly Sunny. High 87°F, low 82°F. Wind S 7 to 13 mph.
Wednesday, Aug 19 — Mostly Sunny. High 87°F, low 82°F. Wind S 10 to 14 mph.
Thursday, Aug 20 — Mostly Sunny. High 88°F, low 82°F. Wind SSE 15 mph.
Friday, Aug 21 — Mostly Sunny. High 90°F, low 81°F. Wind S 12 mph.
Saturday, Aug 22 — Sunny. High 90°F, low 81°F. Wind S 7 to 12 mph.
Sunday, Aug 23 — Sunny. High 90°F, low 81°F. Wind S 6 to 12 mph.
TIDE WINDOWS
Monday, Aug 17 Low 1:26 AM (+0.7 ft) · High 5:51 AM (+0.9 ft) · Low 1:50 PM (+0.2 ft) · High 10:31 PM (+0.9 ft)
Tuesday, Aug 18 Low 1:57 AM (+0.9 ft) · High 5:39 AM (+0.9 ft) · Low 2:33 PM (+0.1 ft)
Wednesday, Aug 19 High 4:24 AM (+1 ft) · Low 3:19 PM (+0.1 ft)
Thursday, Aug 20 High 4:11 AM (+1.1 ft) · Low 4:10 PM (+0.1 ft)
Friday, Aug 21 High 4:44 AM (+1.2 ft) · Low 5:09 PM (+0.1 ft)
Saturday, Aug 22 High 5:24 AM (+1.2 ft) · Low 6:08 PM (+0.1 ft)
Sunday, Aug 23 High 6:07 AM (+1.2 ft) · Low 7:01 PM (+0.1 ft)
SPOTS TO TRY
A short list of well-known Port Aransas and Mustang Island spots. Verify access, parking, and any current closures before you go.
01South Jetty (Port Aransas)
Granite jetty on the south side of the Aransas Pass ship channel. Walk-on access from the end of Cotter Avenue. Deep water along the rocks; strong currents on tide changes. Open in Google Maps
02North Jetty (St. Joseph Island)
North side of the Aransas Pass channel on St. Jo Island. Only reachable by boat (Jetty Boat from Fisherman's Wharf is the easiest option). No facilities once you're there. Open in Google Maps
03Horace Caldwell Pier
Lit, 24-hour Gulf-side pier off I.B. Magee Beach Park. Day-fee per rod; bait and tackle on-site. Good walk-on option for visitors without a boat. Open in Google Maps
04Roberts Point Park
Free public park on the ferry-landing side with a lit fishing pier overlooking the ship channel. Easy parking, restrooms, kid-friendly. Open in Google Maps
05Lydia Ann Channel
Deep cut between Harbor Island and St. Joseph Island. Boat-only. Holds bait and structure along the spoil islands; heavy ship-channel traffic — stay clear of the lane. Open in Google Maps
06Lighthouse Lakes
Shallow back-bay maze east of Aransas Pass with marked paddling trails. Kayak and wade-fishing water; the launch is at the Highway 361 paddling trail trailhead. Open in Google Maps
07Mustang Island Beach (PINS-side surf)
Gulf-side surf along the beach driving access south of Access Road 1A. Drive-on with a county beach permit; standard surf-rod gear and bait. Open in Google Maps
08Shamrock Island / Shamrock Cove
Protected cove on the bay side of Mustang Island. Boat-only — note that Shamrock Island itself is a protected bird sanctuary; fish from the water, not the shore. Open in Google Maps
09Brown & Root Flats
Shallow back-bay flats behind the Mustang Island spoil banks. Boat-access wade water — get out and walk it on a calm morning. Open in Google Maps
10Mud Island
Spoil island chain north of Lydia Ann Channel in Aransas Bay. Boat-only. Wade the sand and grass shorelines on the lee side when the wind is up. Open in Google Maps
11Wilson's Cut
Cut on the bay side of Mustang Island near Packery Channel. Boat or wade access. Moving water on tide changes. Open in Google Maps
12Packery Channel Jetties
Twin jetties at Packery Channel (south end of Mustang Island, ~25 min drive). Walk-on access; popular with surf-side and channel-side anglers alike. Open in Google Maps
LOCAL REPORTS
Pulse does not invent bite predictions. These are reputable outlets that publish real reports from people on the water — check them before your trip:
- TPWD Coastal Fishing Reports — Texas Parks & Wildlife's official coastal fishing program page — regulations, length and bag limits, season notices, and links to current advisories. - Roy's Bait & Tackle Outfitters — Corpus Christi shop that posts weekly Coastal Bend reports across the bays, jetties, and surf. Good ground-truth on what local guides are actually catching. - Fishing Tackle Unlimited — Coastal Reports — Houston-based shop with a recurring Texas-coast report that covers Port Aransas and the Mustang Island bays alongside the rest of the Gulf coast. - Texas Saltwater Fishing Magazine — Monthly print + web magazine with guide-written reports for every Texas bay system, including a recurring Aransas / Corpus Christi column. - Padre Island National Seashore — Fishing — NPS page for the PINS beach driving access south of Port A. Current beach conditions, vehicle access status, and required licenses are posted here.
SOURCES & METHODOLOGY
Weather forecast: National Weather Service (api.weather.gov), Corpus Christi WFO.
Tide predictions: NOAA Tides & Currents station 8775237 (Port Aransas).
Marine forecast: unavailable at publish time.
Spot list is hand-curated by Pulse and describes publicly-accessible Port Aransas / Mustang Island fishing locations. Verify access, regulations, and current closures yourself before fishing.
External report links are independent third parties — Pulse does not control their content.