Across:
8 No port (no port = PRONTO) in a storm (= anagram indicator) now! (PRONTO),
9 Chilled (PUT ON ICE) place (PUT) near Oxford (O-) has a Mediterranean climate (Nice = -N ICE) (PUT ON ICE),
10 Takes risks (BETS) for Gilbert’s missing girl (‘Gilberts’ missing ‘girl’ = bets = BETS),
11 Parking (P-) for speedy motorist (racer = -RECAR-) reversing (= reversal indicator) and losing the head (p) with religious type (‘pious’ without ‘p’ = -IOUS) (PRECARIOUS) is uncertain (PRECARIOUS),
12 A maths (a maths = ASTHMA) problem (= anagram indicator) that’s likely to take your breath away (ASTHMA),
14 Outlaw (BAN-) damns (damns = -DSMAN) travelling (= anagram indicator) (BANDSMAN) soldier banging his drum (BANDSMAN),
15 Covering one’s loses (HEDGING YOUR BETS) in bushes (HEDGING) belonging to you (YOUR) and 10 across (“BETS”) (HEDGING YOUR BETS),
18 Writer (COMPOSER) of Morse cop (morse cop = COMPOSER) novel (= anagram indicator),
20 Settlement (-DEAL) at the centre is (I-S) (IDEALS) for convictions (IDEALS),
22 No celibate (no celibate = NOTICEABLE) doctor (= anagram indicator) is to be seen (NOTICEABLE),
24 Belonging alongside a lake (belonging ‘alongside a lake’ = DEAL) in a pine wood (DEAL),
25 Detectives (detective’s = DI’s = DIS-) find the key (-SOLVE) (DISSOLVE) and bring it to an end (DISSOLVE),
26 Sympathisers disregard parish (‘sympathisers’ disregard ‘parish’ = symtes = SYSTEM) structure (SYSTEM).
Down:
1 Olive and Laurel (types of GREENS) take data from Great Danes (take ‘data’ from ‘Great Danes’ = grenes = GREENS),
2 Characters amidst gallant supporters (characters amidst ‘gallant supporters’ = ANTS) from The Hill (ANTS),
3 Express dissatisfaction (COMPLAIN) with Otis being taking off compilations (‘Otis’ being taking off ‘compilations’ = cmpilaon = COMPLAIN),
4 Sample of cheap seasoning (sample of ‘cheap seasoning’ = APSE) from the abbey (APSE),
5 Realise (ATTAIN) a (A-) temperature (-T-) ain’t (aint = -TAIN) problematic (= anagram indicator) (ATTAIN),
6 A foreign (UN-) young lady (-MISS-) qualified (-ABLE) (UNMISSABLE) this is a must-see (UNMISSABLE),
7 Officer (officer commanding = OC-) is full of drink (-CUP-) and loses the head (r) with outburst (‘rant’ without ‘r’ = -ANT) (OCCUPANT) from one of the in-crowd (OCCUPANT),
13 Stoned (HIGH) model (= anagram indicator) trips (trips = PRIEST) around Spain (-E-) (HIGH PRIEST) with leader of cult (HIGH PRIEST),
14 It’s far from February (it’s ‘far’ from ‘ February’ = ebruy = BUYER) for investor (BUYER),
16 One comic (one comic = ECONOMIC) misprint (= anagram indicator) relates to the fiscal space (ECONOMIC),
17 Really large space (UNIVERSE) in a foreign (a = UN-) institute (-I-) near Limerick (limerick/poem = -VERSE) (UNIVERSE),
19 Those on the beach (SHELLS) from down below (-HELL-) in ship (S-S) (SHELLS),
21 In my book (LEAVES), they’re lying about autumn (LEAVES),
23 Suffered the effects of cuts (BLED) in Wimbledon (in Wimbledon = BLED),
24 Some friend is horrified (some ‘friend is horrified’ = DISH) by what’s handed to them on a plate (DISH).