Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
Versions:
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257 FOMY50 PGUM 301710 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 303 AM CHST TUE JUL 1 2025 GUZ001-010600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 303 AM CHST TUE JUL 1 2025 DATE TUE 07/01/25 WED 07/02/25 THU 07/03/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 85 77 86 77 87 TEMP 77 78 82 85 84 83 81 79 77 78 82 86 85 83 81 79 78 78 83 87 86 DEWPT 77 77 77 77 77 77 78 78 77 78 77 78 78 78 78 78 78 78 78 78 78 RH 100 97 85 77 80 82 91 97100100 85 77 80 85 91 97100100 85 75 77 WIND DIR S S S S S S S S S S S S S S S S S S S S S WIND SPD 8 8 8 8 8 6 5 3 3 4 5 5 4 3 4 4 4 5 6 6 6 CLOUDS OV B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 60 30 30 30 30 QPF 12HR 0.21 0.21 0.20 0.16 0.19 RAIN SHWRS L C C C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 95 94 92 88 91 97 96 93 90 93 99 99 MAX HEAT 90 95 93 86 91 97 96 88 93 99 DATE FRI 07/04/25 SAT 07/05/25 SUN 07/06/25 MON 07/07/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 87 77 87 77 87 77 86 TEMP 82 79 83 86 82 78 83 86 82 78 83 86 82 78 82 85 DEWPT 78 78 78 78 78 78 78 78 78 78 77 78 78 78 78 78 PWIND DIR S S SE S S S SW SW WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 20 20 30 30 RAIN SHWRS C C C C C C C S S S S S C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ001-010600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 303 AM CHST TUE JUL 1 2025 DATE TUE 07/01/25 WED 07/02/25 THU 07/03/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 84 76 85 76 86 TEMP 76 76 81 84 83 82 79 77 76 77 81 85 84 82 80 77 76 77 82 86 85 DEWPT 77 76 77 77 77 77 78 77 76 77 78 78 78 78 78 77 76 77 78 78 78 RH 103100 88 80 82 85 97100100100 91 80 82 88 94100100100 88 77 80 WIND DIR SW SW SW S S S S S S S S S S S S S S S S S S WIND SPD 8 9 9 9 9 8 6 3 4 5 6 6 5 4 4 4 4 5 8 8 6 CLOUDS OV B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 70 40 40 30 30 QPF 12HR 0.42 0.31 0.23 0.19 0.24 RAIN SHWRS L C C C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 88 93 92 89 84 89 96 95 91 86 90 98 97 MAX HEAT 88 93 92 89 96 94 90 98 DATE FRI 07/04/25 SAT 07/05/25 SUN 07/06/25 MON 07/07/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 86 76 86 76 86 76 84 TEMP 81 77 82 85 80 76 82 85 80 76 82 85 80 76 80 83 DEWPT 78 77 78 78 78 76 78 78 78 76 78 78 78 76 78 78 PWIND DIR S S S S S SW SW SW WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ002-010600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 303 AM CHST TUE JUL 1 2025 DATE TUE 07/01/25 WED 07/02/25 THU 07/03/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 85 77 86 77 87 TEMP 77 78 82 85 84 83 81 79 77 78 82 86 85 83 81 79 78 78 83 87 86 DEWPT 77 77 77 77 77 77 77 78 77 78 78 78 78 78 78 78 78 78 78 78 78 RH 100 97 85 77 80 82 88 97100100 88 77 80 85 91 97100100 85 75 77 WIND DIR SW SW S S S S S S S S S S S S S S S S S S S WIND SPD 8 10 12 11 10 9 9 6 6 6 8 8 6 6 5 5 5 6 9 9 8 CLOUDS OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 70 50 50 40 30 QPF 12HR 0.52 0.56 0.34 0.23 0.27 RAIN SHWRS L C C C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 95 95 92 88 91 98 97 94 90 93 99 98 MAX HEAT 90 95 94 86 91 98 96 88 93 99 DATE FRI 07/04/25 SAT 07/05/25 SUN 07/06/25 MON 07/07/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 87 77 87 77 87 77 85 TEMP 82 79 83 86 82 78 83 86 82 78 83 86 82 78 82 84 DEWPT 78 78 78 78 78 78 78 78 78 78 78 77 78 78 78 78 PWIND DIR S S S S S SW SW SW WIND CHAR LT LT LT LT LT LT LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 POP 12HR 40 40 30 30 30 30 40 40 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ003-010600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 303 AM CHST TUE JUL 1 2025 DATE TUE 07/01/25 WED 07/02/25 THU 07/03/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 85 77 86 77 87 TEMP 77 78 82 85 84 83 81 79 77 78 82 86 85 83 81 79 78 78 83 87 86 DEWPT 77 77 77 77 77 77 77 78 77 78 78 78 78 78 78 78 78 78 78 78 78 RH 100 97 85 77 80 82 88 97100100 88 77 80 85 91 97100100 85 75 77 WIND DIR SW SW S S S S S S S S S S S S S S S S S S S WIND SPD 8 10 12 11 10 9 9 6 6 6 8 8 8 6 5 5 5 8 9 9 8 CLOUDS OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 70 50 50 40 30 QPF 12HR 0.66 0.69 0.36 0.24 0.28 RAIN SHWRS L C C C C C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 95 95 92 88 91 98 97 94 90 93100 99 MAX HEAT 90 95 94 86 91 98 96 88 93 100 DATE FRI 07/04/25 SAT 07/05/25 SUN 07/06/25 MON 07/07/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 87 77 87 77 87 77 85 TEMP 82 79 83 86 82 78 83 86 82 78 83 86 82 78 82 84 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR S S S S S SW SW SW WIND CHAR LT LT LT LT LT LT LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 POP 12HR 40 40 40 40 30 30 40 40 RAIN SHWRS C C C C C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S $$