Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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044 FOMY50 PGUM 300950 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 725 PM CHST WED JUL 30 2025 GUZ001-301800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 725 PM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 87 77 88 78 TEMP 81 79 77 78 83 87 87 85 82 79 78 78 84 88 87 85 82 80 78 DEWPT 77 78 78 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 88 97103 97 82 72 72 77 85 94 97 97 80 70 72 77 85 91 97 WIND DIR NW S SE SE SE S W N N NE SE SE SE SE W S SE E E WIND SPD 2 1 1 1 1 2 3 3 2 1 1 3 1 1 1 1 1 1 1 CLOUDS B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 30 30 20 20 QPF 12HR 0.11 0.09 0.02 0.07 0.09 RAIN SHWRS S S S S S C C S S S S S S S S S S S S TSTMS S S S S S S S S S S S HEAT INDEX 90 93 99 98 95 90 84 93100 99 96 91 85 MAX HEAT 94 88 93 99 97 89 93 100 98 89 DATE 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 WED 08/06/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 79 87 79 86 79 86 79 86 TEMP 84 87 83 79 84 86 83 79 83 85 82 79 83 85 82 79 83 85 DEWPT 78 77 78 78 78 78 78 78 78 78 79 79 79 78 79 79 78 78 PWIND DIR NE N N NE E E SE S S WIND CHAR LT 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 B1 B1 POP 12HR 20 20 20 20 20 30 30 30 30 RAIN SHWRS S S S S S S S S S S C C C C C C C C TSTMS S S S S S S S S S S S S S S S $$ MPZ001-301800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 725 PM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 86 77 86 78 TEMP 80 78 77 78 82 85 85 83 81 79 78 78 82 86 85 84 82 80 78 DEWPT 78 78 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 94100100 97 85 77 77 82 88 94 97 97 85 75 77 80 85 91 97 WIND DIR NW SE S S SE S S NW N SE SE SE SE S E E E E E WIND SPD 2 0 1 2 4 2 2 1 1 1 1 4 2 2 0 1 2 2 2 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 10 5 30 QPF 12HR 0.07 0.03 0.01 0.01 0.21 RAIN SHWRS S S S S S S S S S S S S S S S C C C C TSTMS S S S S S S S S S S S HEAT INDEX 88 90 96 95 92 88 91 97 96 94 90 85 MAX HEAT 92 87 90 96 94 87 91 97 95 88 DATE 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 WED 08/06/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 79 86 79 85 79 85 79 84 TEMP 83 86 82 79 83 85 82 79 83 84 82 79 83 85 82 79 82 84 DEWPT 78 77 78 78 78 78 79 78 78 79 79 79 79 78 78 78 78 78 PWIND DIR NE N NE NE E E SE S S WIND CHAR LT LT LT LT LT LT LT LT GN AVG CLOUDS B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 20 20 20 30 30 30 30 RAIN SHWRS C S S S S S S S S S C C C C C C C C TSTMS S S S S S S S S S S S S S S S $$ MPZ002-301800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 725 PM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 79 87 79 87 78 TEMP 82 80 79 80 84 87 86 85 82 80 79 80 84 87 87 85 82 80 79 DEWPT 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 77 77 78 78 RH 88 94 97 94 80 72 75 77 85 91 94 91 80 72 72 77 85 94 97 WIND DIR W S S S S S S SW W S SE SE S S S SE E E E WIND SPD 2 2 2 3 4 5 5 2 0 3 2 3 3 3 1 1 2 2 2 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 5 30 QPF 12HR 0.08 0.06 0.02 0.01 0.20 RAIN SHWRS S S S S S S S S S S S S S S S C C C C TSTMS S S S S HEAT INDEX 92 88 85 86 93 98 97 95 91 88 84 85 94 99 98 95 91 87 MAX HEAT 96 91 93 98 97 90 94 99 97 90 DATE 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 WED 08/06/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 78 88 79 85 79 86 79 86 TEMP 84 86 82 79 84 87 83 80 83 85 82 79 83 85 82 79 83 85 DEWPT 78 77 78 78 78 78 79 79 78 78 79 79 78 78 79 78 78 78 PWIND DIR NE NE NE NE E E SE S S WIND CHAR LT LT LT LT LT LT LT LT GN AVG CLOUDS SC SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 20 20 30 30 30 30 30 RAIN SHWRS C S S S S S S S 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 $$ MPZ003-301800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 725 PM CHST WED JUL 30 2025 DATE WED 07/30/25 THU 07/31/25 FRI 08/01/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 79 88 79 88 78 TEMP 82 80 79 80 84 87 87 85 83 81 79 80 84 88 87 85 83 80 78 DEWPT 78 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 78 78 78 RH 88 94 97 94 82 72 72 77 82 88 94 91 80 70 72 77 85 94100 WIND DIR SW S S S S S S SW SW S S S S S SW SE E E E WIND SPD 2 2 2 3 5 5 4 2 1 3 2 3 3 3 1 1 2 2 2 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 POP 12HR 20 20 20 5 30 QPF 12HR 0.07 0.05 0.01 0.01 0.19 RAIN SHWRS S S S S S S S S S S S S S S S C C C C TSTMS S S S S HEAT INDEX 92 88 84 85 94100 99 96 92 88 84 85 95100 99 96 91 85 MAX HEAT 96 91 94 100 98 90 95 100 99 90 DATE 08/02/25 SUN 08/03/25 MON 08/04/25 TUE 08/05/25 WED 08/06/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 78 88 79 86 79 86 79 86 TEMP 84 87 83 79 84 87 83 80 83 85 82 79 83 85 82 79 83 85 DEWPT 78 78 78 78 78 78 79 78 78 79 79 79 79 78 79 78 78 78 PWIND DIR NE NE NE NE E E SE S S WIND CHAR LT LT LT LT LT LT LT LT GN AVG CLOUDS SC SC SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 20 20 30 30 30 30 30 RAIN SHWRS C S S S S S S S C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S $$