Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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829 FOMY50 PGUM 292100 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 359 AM CHST WED JUL 30 2025 GUZ001-300600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 359 AM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 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 87 77 88 TEMP 78 79 83 87 86 84 82 79 78 78 83 87 87 85 82 79 78 78 84 88 87 DEWPT 78 78 77 77 77 77 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 RH 100 97 82 72 75 80 88 97100100 82 72 72 77 85 94 97 97 80 70 72 WIND DIR S S W SW W NW NW NW W W NW W SW W N N S SW W NW NW WIND SPD 4 4 3 8 10 6 3 4 4 1 0 1 3 2 1 1 1 1 1 1 2 CLOUDS SC B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 20 30 30 20 30 QPF 12HR 0.25 0.06 0.11 0.05 0.08 RAIN SHWRS S S S S S C C C C S S S S S S S S C C C C TSTMS S S S S S S S S S HEAT INDEX 93 99 97 94 90 92 99 98 95 90 84 93 99 98 MAX HEAT 93 99 97 88 92 99 97 89 93 99 DATE SAT 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 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 88 79 87 79 86 79 86 TEMP 82 78 84 87 83 79 84 86 83 80 83 85 82 79 83 86 DEWPT 77 77 77 77 78 78 78 78 79 79 78 78 79 78 78 78 PWIND DIR NE N NE N S S S S 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 S C C C C C C TSTMS S S S S S S S S S S S S S $$ MPZ001-300600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 359 AM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 85 77 86 77 86 TEMP 78 78 82 85 85 83 81 79 77 78 82 85 85 83 81 79 78 78 82 86 85 DEWPT 78 78 78 77 77 78 78 78 77 78 77 77 77 77 77 77 77 77 77 77 77 RH 100100 88 77 77 85 91 97100100 85 77 77 82 88 94 97 97 85 75 77 WIND DIR SW SW SW SW W NW NW NW N SW S S SW SW SW SE SE S W W N WIND SPD 8 4 8 9 8 4 3 4 4 1 1 2 3 2 1 1 2 2 1 1 1 CLOUDS SC B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 30 QPF 12HR 0.10 0.02 0.08 0.05 0.06 RAIN SHWRS S S S S S S S S S S S S S S S S S C C C C TSTMS S HEAT INDEX 91 96 95 92 88 90 96 95 92 88 91 97 96 MAX HEAT 91 96 94 87 90 96 95 87 91 97 DATE SAT 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 86 79 86 79 85 79 85 TEMP 82 78 83 86 82 79 83 85 82 80 83 84 82 79 83 85 DEWPT 77 77 77 77 78 78 78 78 79 79 79 78 79 78 78 78 PWIND DIR NE NE NE E S S SE S WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C S C C C C C S C C C C C S TSTMS S S S S S S S S S S S $$ MPZ002-300600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 359 AM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 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 87 79 87 TEMP 79 80 84 86 86 85 83 81 79 80 84 87 86 85 82 80 79 80 84 87 87 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 77 78 78 77 77 77 RH 97 94 82 77 77 80 85 91 97 94 82 75 77 80 88 91 97 94 80 72 72 WIND DIR SW SW SW SW W W NW N N SW S S SW SW SW S SE S SW W N WIND SPD 9 9 9 9 8 6 2 1 2 2 3 3 3 2 1 2 2 2 2 1 1 CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 20 20 QPF 12HR 0.01 0 0.02 0.03 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 85 86 94 99 98 95 92 88 85 86 94 99 98 95 91 88 84 85 94 99 98 MAX HEAT 85 94 99 97 91 94 99 97 90 94 99 DATE SAT 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 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 78 88 79 85 79 86 TEMP 82 79 84 86 82 79 84 87 83 80 83 85 82 79 83 86 DEWPT 77 77 78 78 78 78 78 79 79 79 79 78 79 79 78 78 PWIND DIR NE NE NE E SE S SE S 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 20 30 30 30 30 30 30 30 RAIN SHWRS S S C C C C C C C S C C C C C S TSTMS S S S S S S S S S $$ MPZ003-300600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 359 AM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 79 88 79 88 TEMP 79 80 84 87 87 85 83 80 79 80 84 87 87 85 83 81 79 80 84 88 87 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 77 78 78 77 77 77 RH 97 94 82 75 75 80 85 94 97 94 82 75 75 80 85 88 97 94 80 70 72 WIND DIR SW SW SW W W W W NW N SW S SW SW SW SW S SE S SW NW N WIND SPD 6 8 8 8 10 5 2 2 1 3 3 4 4 2 1 2 2 2 2 1 1 CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.03 0 0.03 0.03 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 85 86 95100 99 96 92 88 84 85 94100 99 96 92 88 84 85 95100 99 MAX HEAT 85 95 100 98 91 94 100 99 90 95 100 DATE SAT 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 88 78 88 79 86 79 86 TEMP 83 78 84 87 83 79 84 87 83 80 83 85 82 79 83 85 DEWPT 77 78 78 78 78 78 78 79 79 79 79 78 79 79 78 78 PWIND DIR NE NE NE E SE S SE S WIND CHAR LT LT LT LT LT LT LT LT AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 30 30 30 30 30 30 30 RAIN SHWRS S S C C C S C C C S C C C C C S TSTMS S S S S S S S S S $$