29 (日)	05:12	10:57	16:45	23:13
	137cm	64cm	131cm	27cm
中潮 出 05:31 入 17:26 出 07:21 入 18:15

那珂湊（茨城）2030年09月29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
9/29 00:00	45.0	↑2.5
9/29 00:10	47.7	↑2.7
9/29 00:20	50.7	↑3.0
9/29 00:30	53.9	↑3.2
9/29 00:40	57.3	↑3.4
9/29 00:50	60.9	↑3.6
9/29 01:00	64.6	↑3.7
9/29 01:10	68.4	↑3.8
9/29 01:20	72.4	↑4.0
9/29 01:30	76.4	↑4.0
9/29 01:40	80.4	↑4.0
9/29 01:50	84.5	↑4.1
9/29 02:00	88.6	↑4.1
9/29 02:10	92.7	↑4.1
9/29 02:20	96.7	↑4.0
9/29 02:30	100.6	↑3.9
9/29 02:40	104.4	↑3.8
9/29 02:50	108.2	↑3.8
9/29 03:00	111.7	↑3.5
9/29 03:10	115.1	↑3.4
9/29 03:20	118.4	↑3.3
9/29 03:30	121.4	↑3.0
9/29 03:40	124.2	↑2.8
9/29 03:50	126.7	↑2.5
9/29 04:00	129.0	↑2.3
9/29 04:10	131.0	↑2.0
9/29 04:20	132.7	↑1.7
9/29 04:30	134.2	↑1.5
9/29 04:40	135.3	↑1.1
9/29 04:50	136.1	↑0.8
9/29 05:00	136.6	↑0.5
9/29 05:10	136.8	↑0.2	満潮
9/29 05:20	136.7	↓-0.1
9/29 05:30	136.3	↓-0.4
9/29 05:40	135.5	↓-0.8
9/29 05:50	134.5	↓-1.0
9/29 06:00	133.1	↓-1.4
9/29 06:10	131.5	↓-1.6
9/29 06:20	129.6	↓-1.9
9/29 06:30	127.5	↓-2.1
9/29 06:40	125.1	↓-2.4
9/29 06:50	122.6	↓-2.5
9/29 07:00	119.8	↓-2.8
9/29 07:10	116.9	↓-2.9
9/29 07:20	113.8	↓-3.1
9/29 07:30	110.6	↓-3.2
9/29 07:40	107.3	↓-3.3
9/29 07:50	104.0	↓-3.3
9/29 08:00	100.6	↓-3.4
9/29 08:10	97.3	↓-3.3
9/29 08:20	93.9	↓-3.4
9/29 08:30	90.7	↓-3.2
9/29 08:40	87.5	↓-3.2
9/29 08:50	84.4	↓-3.1
9/29 09:00	81.4	↓-3.0
9/29 09:10	78.6	↓-2.8
9/29 09:20	76.0	↓-2.6
9/29 09:30	73.6	↓-2.4
9/29 09:40	71.4	↓-2.2
9/29 09:50	69.4	↓-2.0
9/29 10:00	67.7	↓-1.7
9/29 10:10	66.3	↓-1.4
9/29 10:20	65.1	↓-1.2
9/29 10:30	64.2	↓-0.9
9/29 10:40	63.6	↓-0.6
9/29 10:50	63.3	↓-0.3	干潮
9/29 11:00	63.2	↓-0.1
9/29 11:10	63.5	↑0.3
9/29 11:20	64.0	↑0.5
9/29 11:30	64.8	↑0.8
9/29 11:40	65.9	↑1.1
9/29 11:50	67.2	↑1.3
9/29 12:00	68.7	↑1.5
9/29 12:10	70.5	↑1.8
9/29 12:20	72.5	↑2.0
9/29 12:30	74.7	↑2.2
9/29 12:40	77.0	↑2.3
9/29 12:50	79.5	↑2.5
9/29 13:00	82.2	↑2.7
9/29 13:10	84.9	↑2.7
9/29 13:20	87.8	↑2.9
9/29 13:30	90.7	↑2.9
9/29 13:40	93.7	↑3.0
9/29 13:50	96.7	↑3.0
9/29 14:00	99.7	↑3.0
9/29 14:10	102.7	↑3.0
9/29 14:20	105.6	↑2.9
9/29 14:30	108.5	↑2.9
9/29 14:40	111.3	↑2.8
9/29 14:50	114.0	↑2.7
9/29 15:00	116.5	↑2.5
9/29 15:10	118.9	↑2.4
9/29 15:20	121.1	↑2.2
9/29 15:30	123.2	↑2.1
9/29 15:40	125.0	↑1.8
9/29 15:50	126.6	↑1.6
9/29 16:00	128.0	↑1.4
9/29 16:10	129.1	↑1.1
9/29 16:20	129.9	↑0.8
9/29 16:30	130.5	↑0.6
9/29 16:40	130.7	↑0.2	満潮
9/29 16:50	130.7	0
9/29 17:00	130.4	↓-0.3
9/29 17:10	129.7	↓-0.7
9/29 17:20	128.8	↓-0.9
9/29 17:30	127.5	↓-1.3
9/29 17:40	126.0	↓-1.5
9/29 17:50	124.1	↓-1.9
9/29 18:00	122.0	↓-2.1
9/29 18:10	119.6	↓-2.4
9/29 18:20	116.9	↓-2.7
9/29 18:30	113.9	↓-3.0
9/29 18:40	110.7	↓-3.2
9/29 18:50	107.3	↓-3.4
9/29 19:00	103.7	↓-3.6
9/29 19:10	99.9	↓-3.8
9/29 19:20	96.0	↓-3.9
9/29 19:30	91.9	↓-4.1
9/29 19:40	87.8	↓-4.1
9/29 19:50	83.6	↓-4.2
9/29 20:00	79.3	↓-4.3	最大潮位差
9/29 20:10	75.0	↓-4.3	最大潮位差
9/29 20:20	70.8	↓-4.2
9/29 20:30	66.6	↓-4.2
9/29 20:40	62.4	↓-4.2
9/29 20:50	58.4	↓-4.0
9/29 21:00	54.5	↓-3.9
9/29 21:10	50.8	↓-3.7
9/29 21:20	47.3	↓-3.5
9/29 21:30	44.0	↓-3.3
9/29 21:40	40.9	↓-3.1
9/29 21:50	38.1	↓-2.8
9/29 22:00	35.6	↓-2.5
9/29 22:10	33.3	↓-2.3
9/29 22:20	31.4	↓-1.9
9/29 22:30	29.8	↓-1.6
9/29 22:40	28.5	↓-1.3
9/29 22:50	27.6	↓-0.9
9/29 23:00	27.0	↓-0.6
9/29 23:10	26.8	↓-0.2	干潮
9/29 23:20	26.9	↑0.1
9/29 23:30	27.3	↑0.4
9/29 23:40	28.1	↑0.8
9/29 23:50	29.2	↑1.1