31 (火)	09:20	02:40	21:31	15:46
	134cm	51cm	107cm	64cm
小潮 出 06:47 入 16:38 出 10:53 入 23:53

上総勝浦（千葉）2030年12月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/31 00:00	77.3	↓-2.9
12/31 00:10	74.5	↓-2.8
12/31 00:20	71.8	↓-2.7
12/31 00:30	69.1	↓-2.7
12/31 00:40	66.6	↓-2.5
12/31 00:50	64.2	↓-2.4
12/31 01:00	61.9	↓-2.3
12/31 01:10	59.8	↓-2.1
12/31 01:20	57.8	↓-2.0
12/31 01:30	56.1	↓-1.7
12/31 01:40	54.6	↓-1.5
12/31 01:50	53.3	↓-1.3
12/31 02:00	52.2	↓-1.1
12/31 02:10	51.3	↓-0.9
12/31 02:20	50.8	↓-0.5
12/31 02:30	50.4	↓-0.4	干潮
12/31 02:40	50.3	↓-0.1	干潮
12/31 02:50	50.5	↑0.2
12/31 03:00	50.9	↑0.4
12/31 03:10	51.5	↑0.6
12/31 03:20	52.4	↑0.9
12/31 03:30	53.6	↑1.2
12/31 03:40	54.9	↑1.3
12/31 03:50	56.5	↑1.6
12/31 04:00	58.4	↑1.9
12/31 04:10	60.4	↑2.0
12/31 04:20	62.6	↑2.2
12/31 04:30	65.0	↑2.4
12/31 04:40	67.6	↑2.6
12/31 04:50	70.3	↑2.7
12/31 05:00	73.2	↑2.9
12/31 05:10	76.2	↑3.0
12/31 05:20	79.2	↑3.0
12/31 05:30	82.4	↑3.2
12/31 05:40	85.6	↑3.2
12/31 05:50	88.9	↑3.3	最大潮位差
12/31 06:00	92.2	↑3.3	最大潮位差
12/31 06:10	95.5	↑3.3	最大潮位差
12/31 06:20	98.8	↑3.3	最大潮位差
12/31 06:30	102.0	↑3.2
12/31 06:40	105.2	↑3.2
12/31 06:50	108.3	↑3.1
12/31 07:00	111.3	↑3.0
12/31 07:10	114.2	↑2.9
12/31 07:20	117.0	↑2.8
12/31 07:30	119.5	↑2.5
12/31 07:40	122.0	↑2.5
12/31 07:50	124.2	↑2.2
12/31 08:00	126.2	↑2.0
12/31 08:10	128.0	↑1.8
12/31 08:20	129.6	↑1.6
12/31 08:30	130.9	↑1.3
12/31 08:40	132.0	↑1.1
12/31 08:50	132.9	↑0.9
12/31 09:00	133.5	↑0.6
12/31 09:10	133.8	↑0.3	満潮
12/31 09:20	133.9	↑0.1	満潮
12/31 09:30	133.8	↓-0.1
12/31 09:40	133.4	↓-0.4
12/31 09:50	132.8	↓-0.6
12/31 10:00	131.9	↓-0.9
12/31 10:10	130.8	↓-1.1
12/31 10:20	129.5	↓-1.3
12/31 10:30	127.9	↓-1.6
12/31 10:40	126.2	↓-1.7
12/31 10:50	124.3	↓-1.9
12/31 11:00	122.2	↓-2.1
12/31 11:10	120.0	↓-2.2
12/31 11:20	117.6	↓-2.4
12/31 11:30	115.1	↓-2.5
12/31 11:40	112.4	↓-2.7
12/31 11:50	109.7	↓-2.7
12/31 12:00	106.9	↓-2.8
12/31 12:10	104.1	↓-2.8
12/31 12:20	101.2	↓-2.9
12/31 12:30	98.3	↓-2.9
12/31 12:40	95.4	↓-2.9
12/31 12:50	92.6	↓-2.8
12/31 13:00	89.8	↓-2.8
12/31 13:10	87.0	↓-2.8
12/31 13:20	84.4	↓-2.6
12/31 13:30	81.8	↓-2.6
12/31 13:40	79.4	↓-2.4
12/31 13:50	77.1	↓-2.3
12/31 14:00	74.9	↓-2.2
12/31 14:10	72.9	↓-2.0
12/31 14:20	71.1	↓-1.8
12/31 14:30	69.5	↓-1.6
12/31 14:40	68.1	↓-1.4
12/31 14:50	66.8	↓-1.3
12/31 15:00	65.8	↓-1.0
12/31 15:10	65.0	↓-0.8
12/31 15:20	64.4	↓-0.6
12/31 15:30	64.0	↓-0.4
12/31 15:40	63.8	↓-0.2	干潮
12/31 15:50	63.8	0
12/31 16:00	64.0	↑0.2
12/31 16:10	64.4	↑0.4
12/31 16:20	65.0	↑0.6
12/31 16:30	65.7	↑0.7
12/31 16:40	66.7	↑1.0
12/31 16:50	67.7	↑1.0
12/31 17:00	69.0	↑1.3
12/31 17:10	70.4	↑1.4
12/31 17:20	71.9	↑1.5
12/31 17:30	73.5	↑1.6
12/31 17:40	75.2	↑1.7
12/31 17:50	76.9	↑1.7
12/31 18:00	78.8	↑1.9
12/31 18:10	80.7	↑1.9
12/31 18:20	82.6	↑1.9
12/31 18:30	84.6	↑2.0
12/31 18:40	86.6	↑2.0
12/31 18:50	88.5	↑1.9
12/31 19:00	90.4	↑1.9
12/31 19:10	92.3	↑1.9
12/31 19:20	94.1	↑1.8
12/31 19:30	95.9	↑1.8
12/31 19:40	97.5	↑1.6
12/31 19:50	99.1	↑1.6
12/31 20:00	100.5	↑1.4
12/31 20:10	101.8	↑1.3
12/31 20:20	103.0	↑1.2
12/31 20:30	104.0	↑1.0
12/31 20:40	104.9	↑0.9
12/31 20:50	105.7	↑0.8
12/31 21:00	106.2	↑0.5
12/31 21:10	106.6	↑0.4
12/31 21:20	106.9	↑0.3
12/31 21:30	107.0	↑0.1	満潮
12/31 21:40	106.9	↓-0.1
12/31 21:50	106.7	↓-0.2
12/31 22:00	106.3	↓-0.4
12/31 22:10	105.7	↓-0.6
12/31 22:20	105.0	↓-0.7
12/31 22:30	104.2	↓-0.8
12/31 22:40	103.2	↓-1.0
12/31 22:50	102.1	↓-1.1
12/31 23:00	100.9	↓-1.2
12/31 23:10	99.5	↓-1.4
12/31 23:20	98.1	↓-1.4
12/31 23:30	96.6	↓-1.5
12/31 23:40	95.0	↓-1.6
12/31 23:50	93.3	↓-1.7