From 02693d837f2cd99d20ed08515878c2b5e9525e64 Mon Sep 17 00:00:00 2001
From: Jessica Meixner <jessica.meixner@noaa.gov>
Date: Thu, 26 Oct 2023 11:50:56 -0400
Subject: [PATCH] def/ufs: Bug fix to avoid accessing uninitialized date
 (#1112)

---
 model/src/w3wavemd.F90 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/model/src/w3wavemd.F90 b/model/src/w3wavemd.F90
index 9347b42a5..b11aeb3b2 100644
--- a/model/src/w3wavemd.F90
+++ b/model/src/w3wavemd.F90
@@ -524,6 +524,7 @@ SUBROUTINE W3WAVE ( IMOD, ODAT, TEND, STAMP, NO_OUT &
     REAL                    :: ICEDAVE
     !
     LOGICAL                 :: SBSED
+    LOGICAL                 :: CPLWRTFLG
 #ifdef W3_SEC1
     INTEGER                 :: ISEC1
 #endif
@@ -2432,8 +2433,14 @@ SUBROUTINE W3WAVE ( IMOD, ODAT, TEND, STAMP, NO_OUT &
             do_startall = .true.
           end IF
         else
+          CPLWRTFLG=.FALSE.
+          IF ( FLOUT(7) .AND. SBSED ) THEN
+            IF (DSEC21(TIME,TONEXT(:,7)).EQ.0.) THEN
+              CPLWRTFLG=.TRUE.
+            END IF
+          END IF
           IF ( ( (DSEC21(TIME,TONEXT(:,1)).EQ.0.) .AND. FLOUT(1) ) .OR. &
-               ( (DSEC21(TIME,TONEXT(:,7)).EQ.0.) .AND. FLOUT(7) .AND. SBSED ) ) THEN
+               ( CPLWRTFLG ) ) THEN
             do_startall = .true.
           end IF
         end if