6 (木)	03:30	08:48	14:12	21:04
	104cm	69cm	109cm	16cm
中潮 出 06:03 入 17:38 出 14:55 入 03:54

日立（茨城）2031年03月6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
3/6 00:00	64.8	↑3.0
3/6 00:10	67.8	↑3.0
3/6 00:20	70.7	↑2.9
3/6 00:30	73.6	↑2.9
3/6 00:40	76.4	↑2.8
3/6 00:50	79.2	↑2.8
3/6 01:00	81.8	↑2.6
3/6 01:10	84.3	↑2.5
3/6 01:20	86.7	↑2.4
3/6 01:30	89.0	↑2.3
3/6 01:40	91.1	↑2.1
3/6 01:50	93.1	↑2.0
3/6 02:00	94.9	↑1.8
3/6 02:10	96.6	↑1.7
3/6 02:20	98.1	↑1.5
3/6 02:30	99.4	↑1.3
3/6 02:40	100.5	↑1.1
3/6 02:50	101.4	↑0.9
3/6 03:00	102.1	↑0.7
3/6 03:10	102.6	↑0.5
3/6 03:20	102.9	↑0.3	満潮
3/6 03:30	103.0	↑0.1	満潮
3/6 03:40	102.9	↓-0.1
3/6 03:50	102.6	↓-0.3
3/6 04:00	102.1	↓-0.5
3/6 04:10	101.4	↓-0.7
3/6 04:20	100.5	↓-0.9
3/6 04:30	99.5	↓-1.0
3/6 04:40	98.3	↓-1.2
3/6 04:50	97.0	↓-1.3
3/6 05:00	95.6	↓-1.4
3/6 05:10	94.1	↓-1.5
3/6 05:20	92.5	↓-1.6
3/6 05:30	90.9	↓-1.6
3/6 05:40	89.2	↓-1.7
3/6 05:50	87.6	↓-1.6
3/6 06:00	85.9	↓-1.7
3/6 06:10	84.2	↓-1.7
3/6 06:20	82.6	↓-1.6
3/6 06:30	81.0	↓-1.6
3/6 06:40	79.5	↓-1.5
3/6 06:50	78.0	↓-1.5
3/6 07:00	76.6	↓-1.4
3/6 07:10	75.3	↓-1.3
3/6 07:20	74.1	↓-1.2
3/6 07:30	73.0	↓-1.1
3/6 07:40	72.0	↓-1.0
3/6 07:50	71.1	↓-0.9
3/6 08:00	70.3	↓-0.8
3/6 08:10	69.7	↓-0.6
3/6 08:20	69.2	↓-0.5
3/6 08:30	68.8	↓-0.4
3/6 08:40	68.6	↓-0.2	干潮
3/6 08:50	68.6	0
3/6 09:00	68.7	↑0.1
3/6 09:10	69.0	↑0.3
3/6 09:20	69.5	↑0.5
3/6 09:30	70.1	↑0.6
3/6 09:40	71.0	↑0.9
3/6 09:50	71.9	↑0.9
3/6 10:00	73.1	↑1.2
3/6 10:10	74.3	↑1.2
3/6 10:20	75.8	↑1.5
3/6 10:30	77.3	↑1.5
3/6 10:40	79.0	↑1.7
3/6 10:50	80.7	↑1.7
3/6 11:00	82.5	↑1.8
3/6 11:10	84.4	↑1.9
3/6 11:20	86.3	↑1.9
3/6 11:30	88.3	↑2.0
3/6 11:40	90.2	↑1.9
3/6 11:50	92.1	↑1.9
3/6 12:00	94.0	↑1.9
3/6 12:10	95.8	↑1.8
3/6 12:20	97.6	↑1.8
3/6 12:30	99.2	↑1.6
3/6 12:40	100.8	↑1.6
3/6 12:50	102.2	↑1.4
3/6 13:00	103.5	↑1.3
3/6 13:10	104.7	↑1.2
3/6 13:20	105.7	↑1.0
3/6 13:30	106.6	↑0.9
3/6 13:40	107.2	↑0.6
3/6 13:50	107.8	↑0.6
3/6 14:00	108.1	↑0.3
3/6 14:10	108.2	↑0.1	満潮
3/6 14:20	108.1	↓-0.1
3/6 14:30	107.9	↓-0.2
3/6 14:40	107.3	↓-0.6
3/6 14:50	106.6	↓-0.7
3/6 15:00	105.6	↓-1.0
3/6 15:10	104.4	↓-1.2
3/6 15:20	103.0	↓-1.4
3/6 15:30	101.3	↓-1.7
3/6 15:40	99.4	↓-1.9
3/6 15:50	97.3	↓-2.1
3/6 16:00	94.9	↓-2.4
3/6 16:10	92.3	↓-2.6
3/6 16:20	89.5	↓-2.8
3/6 16:30	86.6	↓-2.9
3/6 16:40	83.4	↓-3.2
3/6 16:50	80.1	↓-3.3
3/6 17:00	76.7	↓-3.4
3/6 17:10	73.2	↓-3.5
3/6 17:20	69.6	↓-3.6
3/6 17:30	66.0	↓-3.6
3/6 17:40	62.3	↓-3.7	最大潮位差
3/6 17:50	58.7	↓-3.6
3/6 18:00	55.0	↓-3.7	最大潮位差
3/6 18:10	51.5	↓-3.5
3/6 18:20	48.0	↓-3.5
3/6 18:30	44.6	↓-3.4
3/6 18:40	41.3	↓-3.3
3/6 18:50	38.1	↓-3.2
3/6 19:00	35.1	↓-3.0
3/6 19:10	32.3	↓-2.8
3/6 19:20	29.6	↓-2.7
3/6 19:30	27.2	↓-2.4
3/6 19:40	24.9	↓-2.3
3/6 19:50	22.9	↓-2.0
3/6 20:00	21.1	↓-1.8
3/6 20:10	19.6	↓-1.5
3/6 20:20	18.3	↓-1.3
3/6 20:30	17.3	↓-1.0
3/6 20:40	16.5	↓-0.8
3/6 20:50	16.0	↓-0.5
3/6 21:00	15.8	↓-0.2	干潮
3/6 21:10	15.8	0
3/6 21:20	16.2	↑0.4
3/6 21:30	16.8	↑0.6
3/6 21:40	17.8	↑1.0
3/6 21:50	19.0	↑1.2
3/6 22:00	20.5	↑1.5
3/6 22:10	22.3	↑1.8
3/6 22:20	24.3	↑2.0
3/6 22:30	26.6	↑2.3
3/6 22:40	29.1	↑2.5
3/6 22:50	31.8	↑2.7
3/6 23:00	34.8	↑3.0
3/6 23:10	37.9	↑3.1
3/6 23:20	41.1	↑3.2
3/6 23:30	44.5	↑3.4
3/6 23:40	47.9	↑3.4
3/6 23:50	51.5	↑3.6