Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
710 FOMY50 PGUM 081800 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 355 AM CHST WED JUL 9 2025 GUZ001-090600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 355 AM CHST WED JUL 9 2025 DATE WED 07/09/25 THU 07/10/25 FRI 07/11/25 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 87 77 88 77 88 TEMP 78 79 83 87 86 84 82 79 77 78 83 87 87 85 82 80 78 78 84 88 87 DEWPT 77 77 77 77 77 77 77 78 77 77 77 77 78 78 78 78 78 78 78 78 78 RH 97 94 82 72 75 80 85 97100 97 82 72 75 80 88 94100100 82 72 75 WIND DIR S S S S SE SE S S SE SE S S SE SE SE S S S S SE SE WIND SPD 6 8 8 6 8 6 5 6 4 5 8 9 9 6 5 5 4 4 6 5 4 CLOUDS B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 40 40 20 20 20 QPF 12HR 0.42 0.12 0.04 0.08 0.10 RAIN SHWRS C C C C C C C S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S S S S S HEAT INDEX 93 99 98 94 89 93100 99 96 91 85 94101100 MAX HEAT 93 99 97 88 93 100 98 90 94 101 DATE SAT 07/12/25 SUN 07/13/25 MON 07/14/25 TUE 07/15/25 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 87 77 86 78 86 78 84 TEMP 82 78 83 86 82 78 83 85 82 78 83 85 82 78 82 84 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR SE SE SE SE SE SE SE SE 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 B1 B1 B1 POP 12HR 30 30 30 30 30 20 30 30 RAIN SHWRS C C C S C C C C C S S S C C C S TSTMS S S S S S S S S S S S $$ MPZ001-090600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 355 AM CHST WED JUL 9 2025 DATE WED 07/09/25 THU 07/10/25 FRI 07/11/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 77 86 77 86 TEMP 78 79 83 86 85 83 81 79 78 78 82 86 85 83 81 79 77 78 82 86 85 DEWPT 77 78 78 77 77 77 77 78 78 78 78 78 78 78 78 78 77 78 78 78 78 RH 97 97 85 75 77 82 88 97100100 88 77 80 85 91 97100100 88 77 80 WIND DIR S S S S SE SE S SE SE SE S S S SE SE S S S S S S WIND SPD 8 9 8 9 10 9 6 8 4 9 11 10 10 9 6 8 6 6 8 8 5 CLOUDS B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 40 40 20 20 20 QPF 12HR 0.54 0.13 0.03 0.06 0.05 RAIN SHWRS C C C C C C C S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 97 96 93 89 84 91 97 96 93 89 92 98 97 MAX HEAT 92 97 95 88 91 97 95 88 92 98 DATE SAT 07/12/25 SUN 07/13/25 MON 07/14/25 TUE 07/15/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 86 78 85 78 85 78 83 TEMP 81 78 82 85 81 78 82 84 81 78 82 84 81 78 81 83 DEWPT 79 78 78 78 78 78 78 78 78 78 78 78 79 78 78 78 PWIND DIR SE SE SE SE SE SE SE SE WIND CHAR LT LT LT LT LT LT LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C S C C C C C S C C C C C S TSTMS S S S S S S S S S $$ MPZ002-090600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 355 AM CHST WED JUL 9 2025 DATE WED 07/09/25 THU 07/10/25 FRI 07/11/25 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 86 79 87 79 87 TEMP 80 80 84 86 86 84 82 80 79 80 84 87 86 85 83 81 79 80 84 87 86 DEWPT 77 77 77 77 77 77 78 78 78 78 77 77 78 78 78 78 78 78 78 78 78 RH 91 91 80 75 75 80 88 94 97 94 80 72 77 80 85 91 97 94 82 75 77 WIND DIR S S S S SE S S SE S SE S S S SE SE S S S S S S WIND SPD 9 9 8 9 11 10 6 8 4 10 11 10 9 9 8 8 8 8 10 9 6 CLOUDS OV B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 50 40 20 20 20 QPF 12HR 0.60 0.11 0.09 0.07 0.07 RAIN SHWRS C C C C C C C S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 86 87 93 97 96 94 91 88 84 86 94 99 98 96 92 89 84 86 95100 99 MAX HEAT 87 93 97 96 90 94 99 98 91 95 100 DATE SAT 07/12/25 SUN 07/13/25 MON 07/14/25 TUE 07/15/25 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 79 87 79 86 79 86 79 85 TEMP 83 79 83 86 82 79 83 86 82 79 83 85 82 79 82 84 DEWPT 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR SE SE SE SE SE SE SE SE WIND CHAR LT LT LT LT LT LT GN GN 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 S C C C C C C C C C C C S TSTMS S S S S S S S S S S S S $$ MPZ003-090600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 355 AM CHST WED JUL 9 2025 DATE WED 07/09/25 THU 07/10/25 FRI 07/11/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 79 88 78 88 TEMP 80 80 84 87 86 85 83 81 79 80 84 87 87 85 83 80 79 79 84 88 87 DEWPT 77 77 77 77 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 91 91 80 72 75 77 85 91 97 94 82 75 75 80 85 94 97 97 82 72 75 WIND DIR S S S S SE S S SE SE SE S SE S SE S SE S S S S S WIND SPD 9 9 8 9 10 9 6 8 4 10 11 10 9 9 8 8 8 9 10 10 6 CLOUDS OV B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 60 40 20 20 20 QPF 12HR 0.82 0.16 0.09 0.07 0.09 RAIN SHWRS C L L C C C C S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 85 87 94 98 98 95 92 88 84 85 95100 99 96 92 88 84 95102101 MAX HEAT 87 94 98 97 90 95 100 99 91 95 102 DATE SAT 07/12/25 SUN 07/13/25 MON 07/14/25 TUE 07/15/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 79 87 79 87 79 86 79 84 TEMP 83 79 84 87 83 79 84 86 83 79 83 86 82 79 82 84 DEWPT 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR SE SE SE SE SE SE SE SE WIND CHAR LT LT LT LT LT LT GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S $$