13 (木)	07:11	00:51	20:12	13:41
	111cm	46cm	94cm	33cm
小潮 出 06:29 入 17:17 出 23:12 入 09:09

那珂湊（茨城）2031年02月13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
2/13 00:00	48.8	↓-1.3
2/13 00:10	47.8	↓-1.0
2/13 00:20	47.0	↓-0.8
2/13 00:30	46.4	↓-0.6
2/13 00:40	46.1	↓-0.3
2/13 00:50	45.9	↓-0.2	干潮
2/13 01:00	46.0	↑0.1
2/13 01:10	46.4	↑0.4
2/13 01:20	46.9	↑0.5
2/13 01:30	47.7	↑0.8
2/13 01:40	48.7	↑1.0
2/13 01:50	49.9	↑1.2
2/13 02:00	51.2	↑1.3
2/13 02:10	52.8	↑1.6
2/13 02:20	54.5	↑1.7
2/13 02:30	56.4	↑1.9
2/13 02:40	58.5	↑2.1
2/13 02:50	60.6	↑2.1
2/13 03:00	62.9	↑2.3
2/13 03:10	65.2	↑2.3
2/13 03:20	67.7	↑2.5
2/13 03:30	70.2	↑2.5
2/13 03:40	72.7	↑2.5
2/13 03:50	75.3	↑2.6
2/13 04:00	77.9	↑2.6
2/13 04:10	80.5	↑2.6
2/13 04:20	83.1	↑2.6
2/13 04:30	85.7	↑2.6
2/13 04:40	88.2	↑2.5
2/13 04:50	90.6	↑2.4
2/13 05:00	93.0	↑2.4
2/13 05:10	95.3	↑2.3
2/13 05:20	97.4	↑2.1
2/13 05:30	99.5	↑2.1
2/13 05:40	101.4	↑1.9
2/13 05:50	103.1	↑1.7
2/13 06:00	104.7	↑1.6
2/13 06:10	106.1	↑1.4
2/13 06:20	107.3	↑1.2
2/13 06:30	108.3	↑1.0
2/13 06:40	109.1	↑0.8
2/13 06:50	109.7	↑0.6
2/13 07:00	110.1	↑0.4
2/13 07:10	110.2	↑0.1	満潮
2/13 07:20	110.1	↓-0.1
2/13 07:30	109.8	↓-0.3
2/13 07:40	109.2	↓-0.6
2/13 07:50	108.3	↓-0.9
2/13 08:00	107.3	↓-1.0
2/13 08:10	106.0	↓-1.3
2/13 08:20	104.4	↓-1.6
2/13 08:30	102.7	↓-1.7
2/13 08:40	100.7	↓-2.0
2/13 08:50	98.5	↓-2.2
2/13 09:00	96.2	↓-2.3
2/13 09:10	93.7	↓-2.5
2/13 09:20	91.0	↓-2.7
2/13 09:30	88.2	↓-2.8
2/13 09:40	85.2	↓-3.0
2/13 09:50	82.2	↓-3.0
2/13 10:00	79.1	↓-3.1
2/13 10:10	75.9	↓-3.2	最大潮位差
2/13 10:20	72.7	↓-3.2	最大潮位差
2/13 10:30	69.5	↓-3.2	最大潮位差
2/13 10:40	66.3	↓-3.2	最大潮位差
2/13 10:50	63.2	↓-3.1
2/13 11:00	60.1	↓-3.1
2/13 11:10	57.0	↓-3.1
2/13 11:20	54.1	↓-2.9
2/13 11:30	51.3	↓-2.8
2/13 11:40	48.7	↓-2.6
2/13 11:50	46.2	↓-2.5
2/13 12:00	43.9	↓-2.3
2/13 12:10	41.8	↓-2.1
2/13 12:20	39.8	↓-2.0
2/13 12:30	38.1	↓-1.7
2/13 12:40	36.6	↓-1.5
2/13 12:50	35.3	↓-1.3
2/13 13:00	34.3	↓-1.0
2/13 13:10	33.5	↓-0.8
2/13 13:20	32.9	↓-0.6
2/13 13:30	32.6	↓-0.3
2/13 13:40	32.5	↓-0.1	干潮
2/13 13:50	32.6	↑0.1
2/13 14:00	32.9	↑0.3
2/13 14:10	33.5	↑0.6
2/13 14:20	34.2	↑0.7
2/13 14:30	35.2	↑1.0
2/13 14:40	36.3	↑1.1
2/13 14:50	37.6	↑1.3
2/13 15:00	39.1	↑1.5
2/13 15:10	40.8	↑1.7
2/13 15:20	42.5	↑1.7
2/13 15:30	44.4	↑1.9
2/13 15:40	46.5	↑2.1
2/13 15:50	48.6	↑2.1
2/13 16:00	50.8	↑2.2
2/13 16:10	53.1	↑2.3
2/13 16:20	55.4	↑2.3
2/13 16:30	57.8	↑2.4
2/13 16:40	60.2	↑2.4
2/13 16:50	62.6	↑2.4
2/13 17:00	65.1	↑2.5
2/13 17:10	67.5	↑2.4
2/13 17:20	69.9	↑2.4
2/13 17:30	72.2	↑2.3
2/13 17:40	74.5	↑2.3
2/13 17:50	76.7	↑2.2
2/13 18:00	78.8	↑2.1
2/13 18:10	80.9	↑2.1
2/13 18:20	82.8	↑1.9
2/13 18:30	84.6	↑1.8
2/13 18:40	86.3	↑1.7
2/13 18:50	87.8	↑1.5
2/13 19:00	89.2	↑1.4
2/13 19:10	90.4	↑1.2
2/13 19:20	91.5	↑1.1
2/13 19:30	92.3	↑0.8
2/13 19:40	93.0	↑0.7
2/13 19:50	93.5	↑0.5
2/13 20:00	93.8	↑0.3
2/13 20:10	94.0	↑0.2	満潮
2/13 20:20	93.9	↓-0.1
2/13 20:30	93.6	↓-0.3
2/13 20:40	93.2	↓-0.4
2/13 20:50	92.5	↓-0.7
2/13 21:00	91.7	↓-0.8
2/13 21:10	90.7	↓-1.0
2/13 21:20	89.6	↓-1.1
2/13 21:30	88.3	↓-1.3
2/13 21:40	86.9	↓-1.4
2/13 21:50	85.4	↓-1.5
2/13 22:00	83.8	↓-1.6
2/13 22:10	82.1	↓-1.7
2/13 22:20	80.3	↓-1.8
2/13 22:30	78.5	↓-1.8
2/13 22:40	76.6	↓-1.9
2/13 22:50	74.8	↓-1.8
2/13 23:00	72.9	↓-1.9
2/13 23:10	71.1	↓-1.8
2/13 23:20	69.4	↓-1.7
2/13 23:30	67.7	↓-1.7
2/13 23:40	66.0	↓-1.7
2/13 23:50	64.5	↓-1.5