29 (月)	02:19	08:46	15:08	21:06
	137cm	46cm	139cm	54cm
中潮 出 05:31 入 17:26 出 16:15 入 03:30

日立（茨城）2031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	114.6	↑2.9
9/29 00:10	117.4	↑2.8
9/29 00:20	120.0	↑2.6
9/29 00:30	122.5	↑2.5
9/29 00:40	124.9	↑2.4
9/29 00:50	127.1	↑2.2
9/29 01:00	129.1	↑2.0
9/29 01:10	130.8	↑1.7
9/29 01:20	132.4	↑1.6
9/29 01:30	133.8	↑1.4
9/29 01:40	134.9	↑1.1
9/29 01:50	135.7	↑0.8
9/29 02:00	136.4	↑0.7
9/29 02:10	136.7	↑0.3	満潮
9/29 02:20	136.8	↑0.1
9/29 02:30	136.6	↓-0.2
9/29 02:40	136.2	↓-0.4
9/29 02:50	135.4	↓-0.8
9/29 03:00	134.4	↓-1.0
9/29 03:10	133.1	↓-1.3
9/29 03:20	131.6	↓-1.5
9/29 03:30	129.7	↓-1.9
9/29 03:40	127.6	↓-2.1
9/29 03:50	125.2	↓-2.4
9/29 04:00	122.6	↓-2.6
9/29 04:10	119.8	↓-2.8
9/29 04:20	116.8	↓-3.0
9/29 04:30	113.6	↓-3.2
9/29 04:40	110.2	↓-3.4
9/29 04:50	106.7	↓-3.5
9/29 05:00	103.0	↓-3.7
9/29 05:10	99.3	↓-3.7
9/29 05:20	95.6	↓-3.7
9/29 05:30	91.8	↓-3.8
9/29 05:40	88.0	↓-3.8
9/29 05:50	84.3	↓-3.7
9/29 06:00	80.6	↓-3.7
9/29 06:10	77.0	↓-3.6
9/29 06:20	73.6	↓-3.4
9/29 06:30	70.2	↓-3.4
9/29 06:40	67.0	↓-3.2
9/29 06:50	64.0	↓-3.0
9/29 07:00	61.2	↓-2.8
9/29 07:10	58.6	↓-2.6
9/29 07:20	56.2	↓-2.4
9/29 07:30	54.0	↓-2.2
9/29 07:40	52.0	↓-2.0
9/29 07:50	50.4	↓-1.6
9/29 08:00	48.9	↓-1.5
9/29 08:10	47.8	↓-1.1
9/29 08:20	46.9	↓-0.9
9/29 08:30	46.3	↓-0.6
9/29 08:40	46.0	↓-0.3	干潮
9/29 08:50	46.0	0
9/29 09:00	46.3	↑0.3
9/29 09:10	46.9	↑0.6
9/29 09:20	47.9	↑1.0
9/29 09:30	49.1	↑1.2
9/29 09:40	50.6	↑1.5
9/29 09:50	52.4	↑1.8
9/29 10:00	54.5	↑2.1
9/29 10:10	56.8	↑2.3
9/29 10:20	59.4	↑2.6
9/29 10:30	62.3	↑2.9
9/29 10:40	65.3	↑3.0
9/29 10:50	68.6	↑3.3
9/29 11:00	72.0	↑3.4
9/29 11:10	75.5	↑3.5
9/29 11:20	79.2	↑3.7
9/29 11:30	83.0	↑3.8
9/29 11:40	86.8	↑3.8
9/29 11:50	90.6	↑3.8
9/29 12:00	94.4	↑3.8
9/29 12:10	98.2	↑3.8
9/29 12:20	102.0	↑3.8
9/29 12:30	105.7	↑3.7
9/29 12:40	109.2	↑3.5
9/29 12:50	112.7	↑3.5
9/29 13:00	116.0	↑3.3
9/29 13:10	119.1	↑3.1
9/29 13:20	122.1	↑3.0
9/29 13:30	124.8	↑2.7
9/29 13:40	127.3	↑2.5
9/29 13:50	129.7	↑2.4
9/29 14:00	131.7	↑2.0
9/29 14:10	133.5	↑1.8
9/29 14:20	135.1	↑1.6
9/29 14:30	136.3	↑1.2
9/29 14:40	137.3	↑1.0
9/29 14:50	138.0	↑0.7
9/29 15:00	138.3	↑0.3	満潮
9/29 15:10	138.4	↑0.1
9/29 15:20	138.1	↓-0.3
9/29 15:30	137.5	↓-0.6
9/29 15:40	136.6	↓-0.9
9/29 15:50	135.4	↓-1.2
9/29 16:00	133.8	↓-1.6
9/29 16:10	132.0	↓-1.8
9/29 16:20	129.8	↓-2.2
9/29 16:30	127.4	↓-2.4
9/29 16:40	124.7	↓-2.7
9/29 16:50	121.8	↓-2.9
9/29 17:00	118.7	↓-3.1
9/29 17:10	115.4	↓-3.3
9/29 17:20	111.9	↓-3.5
9/29 17:30	108.3	↓-3.6
9/29 17:40	104.6	↓-3.7
9/29 17:50	100.9	↓-3.7
9/29 18:00	97.1	↓-3.8
9/29 18:10	93.4	↓-3.7
9/29 18:20	89.6	↓-3.8
9/29 18:30	86.0	↓-3.6
9/29 18:40	82.4	↓-3.6
9/29 18:50	78.9	↓-3.5
9/29 19:00	75.6	↓-3.3
9/29 19:10	72.5	↓-3.1
9/29 19:20	69.5	↓-3.0
9/29 19:30	66.7	↓-2.8
9/29 19:40	64.2	↓-2.5
9/29 19:50	61.9	↓-2.3
9/29 20:00	59.8	↓-2.1
9/29 20:10	58.0	↓-1.8
9/29 20:20	56.5	↓-1.5
9/29 20:30	55.3	↓-1.2
9/29 20:40	54.3	↓-1.0
9/29 20:50	53.7	↓-0.6
9/29 21:00	53.4	↓-0.3	干潮
9/29 21:10	53.4	0
9/29 21:20	53.7	↑0.3
9/29 21:30	54.4	↑0.7
9/29 21:40	55.4	↑1.0
9/29 21:50	56.7	↑1.3
9/29 22:00	58.3	↑1.6
9/29 22:10	60.2	↑1.9
9/29 22:20	62.4	↑2.2
9/29 22:30	64.9	↑2.5
9/29 22:40	67.7	↑2.8
9/29 22:50	70.7	↑3.0
9/29 23:00	73.9	↑3.2
9/29 23:10	77.4	↑3.5
9/29 23:20	80.9	↑3.5
9/29 23:30	84.6	↑3.7
9/29 23:40	88.5	↑3.9	最大潮位差
9/29 23:50	92.3	↑3.8